{"id":3677,"date":"2026-09-16T11:17:28","date_gmt":"2026-09-16T08:17:28","guid":{"rendered":"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-5754\/"},"modified":"2026-09-25T16:27:14","modified_gmt":"2026-09-25T13:27:14","slug":"en-aw-5754","status":"publish","type":"page","link":"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-5754\/","title":{"rendered":"EN AW 5754"},"content":{"rendered":"<p><!-- dm-hap --><\/p>\n<h1 class=\"dm-ust-baslik\" style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif !important;text-transform:none !important;font-size:27px;line-height:1.3;font-weight:800;color:#12303f;margin:0 0 10px;letter-spacing:-.01em;\">EN AW 5754 \/ UNS A95754<\/h1>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:0 0 22px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"background:#12303f;padding:14px 16px 12px;position:relative;z-index:2;\">\n<div style=\"font-size:22px;font-weight:700;color:#fff;line-height:1.25;\">EN AW-5754<\/div>\n<div style=\"font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;color:#b9cfdb;line-height:1.5;margin-top:5px;word-wrap:break-word;\">EN AW-5754 \u00b7 AlMg3 \u00b7 W.Nr. 3.3535 \u00b7 UNS A95754 \u00b7 Per EN 573-3: Mg 2.6-3.6 % \u2013 Mn max 0.50 % \u2013 Cr max 0.30 % \u2013 Si max 0.40 % \u2013 Fe max 0.40 % \u2013 Cu max 0.10 % \u2013 Zn max 0.20 % \u2013 Ti max 0.15 % \u2013 Mn+Cr 0.10-0.60 % \u2013 balance Al. This is a 5xxx series Al-Mg alloy and it is NOT HEAT-TREATABLE. Its strength comes from magnesium in solid solution and from COLD WORK (H tempers). There is NO solution treatment, quench and ageing cycle; tempers such as T4 \/ T5 \/ T6 \/ T651 are NOT DEFINED for this alloy. The tempers are O, H111, H112, H114 and the H12\/H22\/H32 \u00b7 H14\/H24\/H34 \u00b7 H16\/H26\/H36 families.<\/div>\n<div data-dmkars-blok=\"1\" style=\"border-top:1px solid rgba(255,255,255,.16);margin-top:13px;padding-top:11px;\">\n<div style=\"font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:#7f9fb0;font-weight:700;margin-bottom:8px;\">Not to be confused with<\/div>\n<p><a href=\"https:\/\/www.defencemetal.com\/index.php\/2026\/09\/15\/en-aw-5083-en-aw-5754-difference\/\" data-dmkars=\"1\" style=\"display:inline-block;padding:4px 11px;border:1px solid rgba(36,190,229,.45);background:rgba(36,190,229,.12);border-radius:99px;margin:0 6px 6px 0;font-size:12.5px;font-weight:600;color:#9fe2f7;text-decoration:none;\">EN AW 5083<\/a><\/div>\n<\/div>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"display:flex;flex-wrap:wrap;border-top:1px solid #eceff1;\">\n<div style=\"flex:0 0 118px;padding:11px 14px;background:#F7FAFB;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#6b8091;font-weight:600;line-height:1.5;\">For what<\/div>\n<div style=\"flex:1 1 230px;min-width:0;padding:11px 14px;font-size:14.5px;line-height:1.7;color:#3d5260;word-wrap:break-word;overflow-wrap:break-word;\">Bought for welded, formed sheet and plate work that must survive seawater and industrially polluted atmospheres and that will not be heat treated: ship and boat structures, vehicle bodies, tanks and vessels, treadplate flooring, food processing equipment, welded chemical and nuclear plant\u2026<\/div>\n<\/div>\n<div style=\"display:flex;flex-wrap:wrap;border-top:1px solid #eceff1;\">\n<div style=\"flex:0 0 118px;padding:11px 14px;background:#F7FAFB;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#6b8091;font-weight:600;line-height:1.5;\">Forms<\/div>\n<div style=\"flex:1 1 230px;min-width:0;padding:11px 14px;font-size:14.5px;line-height:1.7;color:#3d5260;word-wrap:break-word;overflow-wrap:break-word;\">Round bar \u00b7 flat bar \u00b7 plate \u00b7 sheet \u00b7 tube \u00b7 forgings. All forms are supplied to order.<\/div>\n<\/div>\n<div style=\"display:flex;flex-wrap:wrap;border-top:1px solid #eceff1;\">\n<div style=\"flex:0 0 118px;padding:11px 14px;background:#F7FAFB;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#6b8091;font-weight:600;line-height:1.5;\">Standards<\/div>\n<div style=\"flex:1 1 230px;min-width:0;padding:11px 14px;font-size:14.5px;line-height:1.7;color:#3d5260;word-wrap:break-word;overflow-wrap:break-word;\">EN 573-3 (chemical composition) \u00b7 EN 573-1 and EN 573-2 (designation) \u00b7 EN 515 (temper designations) \u00b7 EN 485-1 (inspection) \u00b7 EN 485-2 (mechanical properties of flat products) \u00b7 EN 485-3 and EN 485-4 (tolerances) \u00b7 EN 755-1\/-2 (extruded rod, bar, tube and profiles) \u00b7 EN 754-1\/-2 (cold drawn rod, bar and tube) \u00b7 EN 586-1\/-2\/-3 (forgings) \u00b7 EN 1386 (tread plate) \u00b7 EN 13195 (marine applications) \u00b7 DIN EN 602 (food contact)<br \/><span style=\"font-size:12.5px;color:#7b8f9b;line-height:1.6;display:inline-block;margin-top:6px;\">NO VERIFIED AMS NUMBER WAS FOUND for this alloy. 5754 is a European alloy and does not appear in the aerospace specification systems. In North America its functional counterpart is 5052 and the ASTM specifications largely run through 5052;<\/span><\/div>\n<\/div>\n<div style=\"display:flex;flex-wrap:wrap;border-top:1px solid #eceff1;\">\n<div style=\"flex:0 0 118px;padding:11px 14px;background:#F7FAFB;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#6b8091;font-weight:600;line-height:1.5;\">Advantage<\/div>\n<div style=\"flex:1 1 230px;min-width:0;padding:11px 14px;font-size:14.5px;line-height:1.7;color:#3d5260;word-wrap:break-word;overflow-wrap:break-word;\">This alloy has the best weldability and the best cold formability of the five, and it gets them without giving up seawater resistance. The Aalco, thyssenkrupp and Smith Metal data sheets rate gas, arc and resistance welding as very good; Gleich gives TIG\/MIG\/EB its top mark (1).<\/div>\n<\/div>\n<div style=\"display:flex;flex-wrap:wrap;border-top:1px solid #eceff1;\">\n<div style=\"flex:0 0 118px;padding:11px 14px;background:#F7FAFB;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#6b8091;font-weight:600;line-height:1.5;\">Welding<\/div>\n<div style=\"flex:1 1 230px;min-width:0;padding:11px 14px;font-size:14.5px;line-height:1.7;color:#3d5260;word-wrap:break-word;overflow-wrap:break-word;\">Filler metal SG-AlMg3 and SG-AlMg5 (BIKAR); 5356 and 5183 are also used in general practice. Gas, arc (TIG\/MIG), resistance and electron beam welding are suitable; BRAZING IS POOR (Aalco: brazability poor). PREHEAT in the sense used for steel is not applied to aluminium;<\/div>\n<\/div>\n<div style=\"display:flex;flex-wrap:wrap;border-top:1px solid #eceff1;\">\n<div style=\"flex:0 0 118px;padding:11px 14px;background:#fdeceb;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#c0392b;font-weight:600;line-height:1.5;\">Limits<\/div>\n<div style=\"flex:1 1 230px;min-width:0;padding:11px 14px;font-size:14.5px;line-height:1.7;color:#3d5260;word-wrap:break-word;overflow-wrap:break-word;background:#fdeceb;\">The first limit is STRENGTH: the EN 485-2 minima are clearly below 5083 (130 MPa in H22 against 215 MPa for 5083 H116\/H321). It does not replace 5083 or 6082 in a highly stressed load-bearing structure; if T6 strength is wanted this alloy is simply not a candidate, because it CANNOT BE HARDENED BY HEAT TREATMENT.<\/div>\n<\/div>\n<div style=\"padding:14px;border-top:1px solid #eceff1;\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/contact\/\" style=\"display:inline-block;padding:11px 20px;font-size:14px;font-weight:700;text-decoration:none;margin:0 8px 6px 0;background:#dd3333;color:#ffffff;\">REQUEST A QUOTE<\/a><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aluminium-alloys\/\" style=\"display:inline-block;padding:11px 20px;font-size:14px;font-weight:700;text-decoration:none;margin:0 8px 6px 0;font-weight:600;border:1px solid #12303f;color:#12303f;\">All aluminium alloys &rarr;<\/a><span data-dm=\"dm-teknik\" style=\"cursor:pointer;display:inline-block;padding:11px 20px;font-size:14px;font-weight:700;text-decoration:none;margin:0 8px 6px 0;border:1px solid #dd3333;color:#dd3333;\">TECHNICAL DETAILS &darr;<\/span><\/div>\n<div style=\"padding:9px 14px;border-top:1px solid #eceff1;font-size:11.5px;color:#8a9aa4;line-height:1.5;\">Compiled from manufacturer data sheets \u00b7 confirm against the current specification before ordering<\/div>\n<\/div>\n<\/div>\n<p><!-- \/dm-hap --><!-- dm-nav --><\/p>\n<style>h4[id^=\"dm-b\"]{scroll-margin-top:120px}#dm-teknik{scroll-margin-top:120px}<\/style>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:0 0 22px;padding:12px 14px;\">\n<div style=\"font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#6b8091;font-weight:600;margin-bottom:9px;\">On this page &middot; click to jump<\/div>\n<div><span data-dm=\"dm-b0\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">What EN AW-5754 Is<\/span><span data-dm=\"dm-b1\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Standards by Product Form<\/span><span data-dm=\"dm-b2\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">The 3 % Magnesium Threshold<\/span><span data-dm=\"dm-b3\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Product Forms With NO Standard, or Unverified<\/span><span data-dm=\"dm-b4\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Chemical Composition<\/span><span data-dm=\"dm-b5\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Mechanical Properties<\/span><span data-dm=\"dm-b6\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Physical Properties<\/span><span data-dm=\"dm-b7\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Heat Treatment and Thermal Stability<\/span><span data-dm=\"dm-b8\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Welding<\/span><span data-dm=\"dm-b9\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Machining<\/span><span data-dm=\"dm-b10\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Corrosion<\/span><span data-dm=\"dm-b11\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Frequently Asked Questions<\/span><span data-dm=\"dm-b12\" style=\"cursor:pointer;display:inline-block;padding:5px 11px;border:1px solid #dfe6ea;background:#F7FAFB;margin:0 6px 7px 0;font-size:13px;color:#12303f;\">Common Datasheet Errors and Traps<\/span><\/div>\n<\/div>\n<p><script>(function(){function go(id){var e=document.getElementById(id);if(e){var s=document.scrollingElement||document.documentElement;var y=e.getBoundingClientRect().top+s.scrollTop-118;if(y-0-0-0-0!==y){y=0;}window.scrollTo(0,y);}}function bind(el){el.addEventListener(\"click\",function(ev){ev.preventDefault();go(el.getAttribute(\"data-dm\"));});}function init(){var l=document.querySelectorAll(\"[data-dm]\");Array.prototype.forEach.call(l,bind);if(location.hash){if(location.hash.indexOf(\"#dm-\")===0){try{history.replaceState(null,\"\",location.pathname+location.search);}catch(e){}window.scrollTo(0,0);setTimeout(function(){window.scrollTo(0,0);},80);}}}if(document.readyState===\"loading\"){document.addEventListener(\"DOMContentLoaded\",init);}else{init();}})();<\/script><!-- \/dm-nav --><br \/>\n<span id=\"dm-teknik\" style=\"display:block;height:0;overflow:hidden;\"><\/span><br \/>\nCR 1.1.0.18 \/ AlMg3 \/ 5754 \/ O \/ H111<\/p>\n<p>EN AW 5754 is a type of aluminium-magnesium alloy notable in particular for its high corrosion resistance, good machinability and high formability. The alloy is suited to use in demanding environmental conditions such as the marine, automotive and chemical industries, and is also chosen in applications with a lightweight structural requirement. Belonging to the aluminium-magnesium (Al-Mg) group, EN AW 5754 generally offers moderate strength together with high corrosion resistance.<\/p>\n<p>5754 has a low strength level, but its welding characteristics are good.<\/p>\n<p><strong>Machinability:<\/strong> EN AW 5754 shows good properties in terms of machinability. Some machining difficulties can arise because of its magnesium content, however.<\/p>\n<p><strong>Turning and milling:<\/strong> Cutting speed \u2014 medium cutting speeds are recommended, which gives a cleaner cut. Cutting tools \u2014 carbide inserts and hardened steel tooling should be preferred. Cooling \u2014 sufficient cutting fluid should be used during machining, because high temperatures can adversely affect machinability.<\/p>\n<p><strong>Weldability:<\/strong> It can readily be welded by the TIG and MIG processes.<\/p>\n<p><strong>Points to observe during welding:<\/strong> Care should be taken so that thermal stress does not arise during welding, and the cooling rate in the welded areas should be controlled.<\/p>\n<p><strong>Heat treatment:<\/strong> EN AW 5754 is generally used without heat treatment, because the required properties can be obtained by cold and hot forming. When heat treatment is applied the material can gain a certain hardness, but high temperatures and long heat treatment times can weaken its corrosion resistance.<\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Chemical Composition<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Silicon (Si)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">0.00 \u2013 0.40<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Chromium (Cr)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">0.00 \u2013 0.30<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Manganese (Mn)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">0.00 \u2013 0.50<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Magnesium (Mg)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">2.60 \u2013 3.60<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Copper (Cu)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">0.00 \u2013 0.10<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Titanium (Ti)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">0.00 \u2013 0.15<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Iron (Fe)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">0.00 \u2013 0.40<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Zinc (Zn)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">0.00 \u2013 0.20<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Aluminium (Al)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Balance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Physical Properties<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Density<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">2.66 g\/cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Melting Temperature<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">568 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Coefficient of Thermal Expansion<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">23.9 x 10^-6 \/K<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Modulus of Elasticity<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">69 GPa<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Heat Capacity<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">120 W\/m.K<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Electrical Conductivity<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">29% IACS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Mechanical Properties<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Yield Strength<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">min 80 MPa (O \/ H111)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Tensile Strength<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">190 \u2013 240 MPa (O \/ H111)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Elongation<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">14 \u2013 18%<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Elastisite<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">69 GPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"dm-std\" style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Standards and Equivalents \u00b7 EN AW 5754<\/div>\n<div data-dmtw=\"1\" style=\"position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;overflow-x:auto;\">\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Trade name<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">EN AW 5754<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">UNS<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">A95754<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">ASTM<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">B209<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Available forms<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Round bar \u00b7 Flat bar \u00b7 Plate \u00b7 Sheet \u00b7 Tube \u00b7 Forgings<br \/><span style=\"font-size:13px;color:#6b7a84;\">All forms are supplied to order.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<p><!-- dm-zengin --><\/p>\n<h4 id=\"dm-b0\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">What EN AW-5754 Is \u2014 the Alloy That Sits Right on the Threshold<\/h4>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\">EN AW-5754 (chemical symbol <b>Al Mg3<\/b> \/ material number <b>3.3535<\/b> \/ US equivalent <b>A95754<\/b> \/ AFNOR <b>A-G3M<\/b> \/ Spain <b>L-3390<\/b> \/ Sweden <b>144133<\/b>) is a <b>non-heat-treatable aluminium-magnesium alloy<\/b>. Its nominal magnesium band is <b>2.6 \u2013 3.6 %<\/b>. It is the <b>mid-range workhorse<\/b> of the 5xxx family: not as strong as <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-5083\/\">5083<\/a>, but <b>it forms better, anodises better and carries a lower sensitisation risk<\/b>.<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>The key to understanding 5754 is where its magnesium band sits.<\/b> In the 5xxx series, <b>3 % nominal magnesium<\/b> is a threshold: above it, long warm exposure precipitates <b>\u03b2 phase (Al\u2083Mg\u2082)<\/b> at the grain boundaries and the material opens to intergranular corrosion. <b>ASTM B928 and the marine specifications place that threshold exactly at 3 %.<\/b> 5083 (4.0\u20134.9 %) is far above it; 5052 (2.2\u20132.8 %) is below it. <b>5754 sits right on top of it, with one end of its band below the threshold and the other end above.<\/b> That is the property of 5754 that most deserves an honest explanation, and we have given it a section of its own below.<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>The second key is the semi-hard tempers.<\/b> 5754 is sold in practice in \u201chalf-hard\u201d conditions such as <b>O, H111, H22, H24 and H32<\/b>. There is a reason for that: <b>Al-Mg alloys soften spontaneously after cold work<\/b> \u2014 in one source\u2019s words, the material \u201cspontaneously softens after rolling until reaching stable condition\u201d. That is why the 5xxx series uses <b>H2x (strain hardened and partially annealed)<\/b> and <b>H3x (strain hardened and stabilized)<\/b> rather than plain H1x. <b>The second digit in H22, H24 and H32 is not decoration \u2014 it is the answer to the alloy\u2019s own instability.<\/b><\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Identity and International Equivalents \u00b7 EN AW-5754<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">EN numerical designation<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>EN AW-5754<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">EN chemical symbol<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Al Mg3<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">German material number<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>3.3535<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">US \/ AA equivalent<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>A95754<\/b> \u00b7 AA <b>5754<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">France (AFNOR)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>A-G3M<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Spain \u00b7 Sweden<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>L-3390<\/b> \u00b7 <b>144133<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">A designation seen in one source<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Al 3.1Mg Mn Cr<\/b> \u2014 a commercial description, not a standard designation<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Heat treatment class<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Non-heat-treatable.<\/b> Strength comes from <b>solid solution hardening<\/b> (magnesium) and <b>cold work<\/b>. <b>There is NO solution treatment, quenching or ageing<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Food contact<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>SUITABLE per DIN EN 602<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Honest Positioning \u00b7 5754 Against Its Siblings<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>EN AW-5754<\/b><br \/>(this page)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>2.6\u20133.6 % Mg.<\/b> In O\/H111 plate: <b>Rm 190\u2013240 MPa \u00b7 Rp0.2 \u226580 MPa \u00b7 A 12\u201318 %<\/b>. <b>Strengths:<\/b> excellent formability (deep drawing rating 2), <b>the best anodising behaviour<\/b> (protective and EQ anodising rating 1), excellent weldability (TIG and MIG rating 1), excellent corrosion resistance, food compliance. <b>Weakness:<\/b> strength \u2014 about half the yield of 5083<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>EN AW-5083<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>4.0\u20134.9 % Mg.<\/b> In H321 plate: <b>Rm \u2265305 MPa \u00b7 Rp0.2 \u2265215 MPa<\/b> \u2014 <b>more than twice 5754\u2019s yield strength<\/b>. The price: lower formability, <b>a poor decorative anodising rating (4)<\/b>, and <b>a marked sensitisation risk because it is far above the 3 % threshold<\/b>. The right address for structural and marine work: <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-5083\/\">EN AW-5083<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>AA 5052<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>2.2\u20132.8 % Mg<\/b> \u2014 <b>entirely below the 3 % threshold<\/b>. Typical values: in O condition about <b>195 MPa<\/b> tensile \/ <b>90 MPa<\/b> yield; in H32 about <b>228 MPa<\/b> \/ <b>193 MPa<\/b> (typical values, not EN minima). <b>Its closest rival<\/b>: 5052 is the North American market\u2019s alloy, 5754 is Europe\u2019s. Chromium in 5052 is defined <b>with a lower limit<\/b> (0.15\u20130.35 %), whereas 5754 has only an upper limit (\u22640.30 %). <b>In practice they substitute for each other in most applications<\/b>; the difference is in supply and specification language, not in performance<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>EN AW-6082<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">A different family: <b>heat-treatable<\/b> Al-Mg-Si. In T6\/T651 plate: <b>Rm 295\u2013310 MPa \u00b7 Rp0.2 240\u2013260 MPa<\/b> \u2014 far above 5754. <b>But:<\/b> welding costs 6082 strength in the HAZ and recovering it requires re-heat-treatment; welding returns 5754 to the O level, and <b>5754 is already sold largely in that condition<\/b>. <b>5754 for sheet that will be formed, 6082 for profiles that will carry load<\/b> (<a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6082\/\">EN AW-6082<\/a>)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>EN AW-2017A \u00b7 7075<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Copper- and zinc-bearing high strength alloys. They do not do 5754\u2019s job: they are <b>not fusion weldable<\/b>, <b>not used in seawater<\/b> and <b>not suitable for food contact<\/b> (<a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-2017a\/\">EN AW-2017A<\/a> \u00b7 <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-7075\/\">EN AW-7075<\/a>)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b1\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Standards by Product Form<\/h4>\n<p><!-- dm-diy-std --><\/p>\n<div style=\"border:1px solid #e3e9ec;margin:22px 0 26px;background:#fff;position:relative;overflow:hidden;\">\n<div style=\"background:#12303f;color:#fff;padding:9px 14px;font-size:14px;font-weight:700;letter-spacing:.3px;position:relative;z-index:2;\">STANDARDS BY PRODUCT FORM<\/div>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"padding:12px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"overflow-x:auto;position:relative;z-index:2;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;min-width:430px;background:transparent;\">\n<tr>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Product form<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Standards<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">Plate \u00b7 sheet \u00b7 strip (flat rolled)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">EN 485-1 (inspection) \u00b7 EN 485-2 (mechanical properties) \u00b7 EN 485-3 and EN 485-4 (tolerances). No verified AMS or ASTM number was found for this form.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">Tread plate \/ chequer plate<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">EN 1386 (tread plate) \u00b7 EN 485-2 (mechanical properties of the base material)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">Marine plate<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">EN 13195 (marine applications) \u00b7 EN 485-2. Classification society approvals are requested per order.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">Extruded rod \u00b7 bar \u00b7 profiles \u00b7 tube<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">EN 755-1 (technical conditions of delivery) \u00b7 EN 755-2 (mechanical properties) \u00b7 EN 755-3 to -9 (tolerances)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">Cold drawn rod, bar and tube<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">EN 754-1 \u00b7 EN 754-2 (mechanical properties) \u00b7 EN 754-3 to -8 (tolerances)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">Forgings<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">EN 586-1 \u00b7 EN 586-2 \u00b7 EN 586-3. No numerical mechanical property table for 5754 forgings could be verified against four independent sources.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">Food contact products<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">DIN EN 602 (suitability for the food industry)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">Composition and temper (independent of form)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">EN 573-3 (chemical composition) \u00b7 EN 573-1 and EN 573-2 (designation system) \u00b7 EN 515 (temper designations)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"padding:6px 14px 12px;font-size:12px;color:#5b7180;line-height:1.7;border-top:1px solid #f0f3f5;position:relative;z-index:2;\">THERE IS NO AMS NUMBER: 5754 is a European alloy that does not appear in the aerospace specification systems, so this map is built directly on EN numbers. On the ASTM side the functional counterpart is 5052; because the presence of 5754 in the ASTM B209 \/ B221 alloy lists could not be verified, no ASTM number is given. EN 485-2 applies to plate and sheet, EN 755-2 to extrusions and EN 754-2 to cold drawn products; these three standards do NOT give the same values, so an order must be tied to the right one.<\/div>\n<\/div>\n<p><!-- \/dm-diy-std --><\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Standards by Product Form \u00b7 EN AW-5754 (3.3535)<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Chemical composition<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>EN 573-3<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Plate \u00b7 sheet \u00b7 strip<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>EN 485-2<\/b> (mechanical properties) \u00b7 EN 485-1 (inspection and delivery) \u00b7 EN 485-3 \/ EN 485-4 (tolerances). <b>Tabulated for O\/H111 from 0.2 mm to 100 mm<\/b>; the semi-hard and hard tempers H22, H24 and H26\/H28 are covered as well<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Drawn bar \u00b7 tube \u00b7 profile<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>EN 754-2<\/b> \u2014 the groups <b>O\/H111<\/b>, <b>H14\/H24\/H34<\/b> and <b>H18\/H28\/H38<\/b> are tabulated<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Extruded bar \u00b7 tube \u00b7 profile<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>EN 755-2<\/b> \u2014 <b>F\/H112<\/b> and <b>O\/H111<\/b> are tabulated. <b>Caution:<\/b> 5754\u2019s hot extrusion rating is <b>4 (poor)<\/b> \u2014 profiles can be made, but this is not where the alloy is strong<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Marine (Europe)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>EN 13195<\/b> \u2014 the product specification for shipbuilding, marine and offshore. <b>5754 is cited within its scope<\/b>, but the default alloys for marine structural plate are 5083 and 5059<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Marine (USA)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>ASTM B928 \/ B928M<\/b> \u2014 covers 5xxx products with <b>nominal magnesium of 3 % and above<\/b>. <b>Because 5754\u2019s band sits right on that threshold, whether a given cast falls inside the scope DEPENDS ON THE CAST CHEMISTRY<\/b> \u2014 read the threshold section below<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">ASTM (plate\/sheet)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>ASTM B209 \/ B209M<\/b> \u2014 <b>inclusion of 5754 in the grade list could not be independently verified in this study.<\/b> 5754 is a <b>European alloy<\/b>; the US market\u2019s counterpart is in practice 5052. <b>Confirm the scope before offering 5754 to a buyer who requires an ASTM certificate<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">ASTM (extrusions)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>ASTM B221 \/ B221M<\/b> \u2014 <b>grade list not verified<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Welding wire (bare)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>AWS A5.10 \/ EN ISO 18273.<\/b> Manufacturer datasheets list the fillers <b>SG-AlMg3<\/b> and <b>SG-AlMg5<\/b>; another source recommends <b>5356<\/b> directly. So in practice: <b>ER5754 \/ ER5654 and ER5356<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Drawn wire<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Covered by <b>EN 1301-2<\/b>; <b>no value table for 5754 could be verified in this study<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Pressure equipment<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>EN 12392<\/b> \u2014 additional requirements for pressure equipment<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Forgings<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">The <b>EN 586<\/b> family exists; <b>the EN 586-2 value table for 5754 could not be verified<\/b>. Hammer forging rates <b>2 (good)<\/b>, die forging <b>3 (moderate)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">ASME Section II \/ VIII<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Not verified in this study<\/b> \u2014 we publish no code temperature<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Food contact<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>SUITABLE per DIN EN 602<\/b> \u2014 one of 5754\u2019s strongest commercial arguments<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b2\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">The 3 % Magnesium Threshold \u2014 the Topic That Most Deserves Honesty<\/h4>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>This is the most misunderstood subject on 5754 and it deserves to be stated directly.<\/b><\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">The Threshold Question \u00b7 Why 5754 Is a Special Case<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Mechanism<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Magnesium is <b>supersaturated<\/b> in aluminium at room temperature. Given enough temperature and enough time it precipitates at the grain boundaries as <b>\u03b2 phase (Al\u2083Mg\u2082 \/ Mg\u2082Al\u2083)<\/b>. That phase is <b>anodic<\/b> to the matrix; once it forms a continuous network the material opens to <b>intergranular corrosion and stress corrosion cracking<\/b>. This is <b>sensitisation<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Why the threshold is 3 %<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Sensitisation risk becomes serious <b>once nominal magnesium exceeds 3 %<\/b>. <b>ASTM B928 and the marine specifications place it exactly there<\/b>: 5xxx alloys \u201cwith nominal magnesium content equal to or higher than 3 %\u201d, in the H116 and H321 tempers, must pass the ASTM G66 exfoliation and\/or ASTM G67 intergranular corrosion tests<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Where 5754 sits<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Nominal band 2.6 \u2013 3.6 %.<\/b> So <b>the lower end of the band is below the threshold and the upper end is above it<\/b>. <b>A cast delivered at 2.8 % Mg is practically below the threshold; one at 3.4 % is above it.<\/b> One source gives 5754 a narrower magnesium band (<b>2.6 \u2013 3.2 %<\/b>) \u2014 <b>[CONTRADICTION]<\/b>, we have seen both<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Practical consequence<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>5754 is markedly less exposed than 5083<\/b>, but it is <b>not immune<\/b>. In a heat-exposed, long-life, chloride-bearing application, <b>ask for the cast analysis<\/b> for 5754 too, and specify <b>an ASTM G67 test<\/b> if needed. <b>The statement \u201c5754 does not sensitise\u201d is not true<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Does the 65 \u00b0C rule apply to 5754<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Not with the same force.<\/b> The 65 \u00b0C limit is explicitly stated in verified sources <b>for 5083<\/b> (including the Australian standard <b>AS 1734<\/b>). <b>No equivalent prohibition for 5754 was found in verified sources.<\/b> But because the mechanism is the same, <b>warm continuous service must still be handled carefully on 5754<\/b> \u2014 especially for casts whose magnesium lies at the top of the band. <b>We do not invent a number; we state the mechanism<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>What lowers the risk<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Lower magnesium<\/b> (the bottom of the band) \u00b7 <b>less cold work<\/b> (O and H111 are the most stable conditions) \u00b7 <b>lower service temperature<\/b> \u00b7 <b>low welding heat input<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Do H116 \/ H321 exist for 5754<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Not as a usual product form.<\/b> Those tempers are seen in practice on high-magnesium marine alloys such as 5083 and 5456. <b>No EN 485-2 data tabulated for 5754 in H116\/H321 could be verified in this study<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b3\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Product Forms With NO Standard, or Unverified<\/h4>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">EN AW-5754 \u00b7 The Gaps<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>ASTM scope<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>This is the most important gap.<\/b> 5754 is a European alloy, and <b>its inclusion in the ASTM B209 \/ B221 grade lists could not be verified in this study<\/b>. On US projects the counterpart requested in practice is <b>5052<\/b>. <b>Confirm the scope before offering 5754 on a project that mandates an ASTM certificate<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>H116 \/ H321 temper<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Not verified.<\/b> The marine corrosion tempers live on the 5083 side in practice<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>T tempers (T4, T6 etc.)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>DO NOT EXIST and cannot.<\/b> 5754 is not heat-treatable. <b>There is no such material as \u201c5754-T6\u201d<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Castings<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Not applicable.<\/b> 5754 is a <b>wrought alloy<\/b>; Al-Mg castings are a separate family (EN AC- series)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Covered electrodes<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Not used in practice for aluminium.<\/b> 5754 is welded by <b>MIG and TIG<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Bolts and nuts<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">5754 is not a fastener alloy; no mechanical class specification was verified<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Extruded profiles (complex sections)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Covered by EN 755-2, but the <b>hot extrusion rating is 4 (poor)<\/b>. For complex, thin-walled profiles 5754 is not economic; <b>the 6xxx family<\/b> (<a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6060\/\">EN AW-6060<\/a> \u00b7 <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6082\/\">EN AW-6082<\/a>) is the natural extrusion family<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>A high-temperature service certificate<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Does not exist.<\/b> No document guarantees that a 5xxx plate will not sensitise years later<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b4\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Chemical Composition<\/h4>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\">The band below follows EN 573-3. <b>One row carries a serious contradiction between sources and we are not hiding it.<\/b><\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Chemical Composition \u00b7 EN AW-5754 (EN 573-3, weight %)<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Silicon (Si)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">max <b>0.40<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Iron (Fe)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">max <b>0.40<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Copper (Cu)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">max <b>0.10<\/b> \u2014 <b>kept deliberately low.<\/b> Copper is the single element that ruins corrosion resistance in the 5xxx series<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Manganese (Mn)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">max <b>0.50<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Magnesium (Mg)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>2.6 \u2013 3.6<\/b> \u2014 <b>this row is the whole alloy.<\/b> <b>[CONTRADICTION]<\/b> Another source gives the band as <b>2.6 \u2013 3.2<\/b>. <b>That difference is not trivial<\/b>: the 3 % threshold runs right through this band. <b>On a critical application, ask for the cast analysis<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Chromium (Cr)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">max <b>0.30<\/b> \u2014 <b>no lower limit.<\/b> For comparison, chromium in 5052 is bounded below at <b>0.15\u20130.35 %<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Zinc (Zn)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">max <b>0.20<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Titanium (Ti)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">max <b>0.15<\/b> \u2014 grain refiner<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>The combined Mn + Cr row<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>[CONTRADICTION WARNING]<\/b> One manufacturer datasheet shows a band of <b>0.10 \u2013 0.60<\/b> and attributes it <b>to titanium<\/b>. That directly contradicts the <b>Ti \u22640.15 %<\/b> given by another source and is not physically plausible; it is most likely <b>a misread combined Mn+Cr row<\/b>. <b>But we could not verify that \u2014 so we do not publish this band as an element row.<\/b> If you are writing a specification, confirm against the current edition of EN 573-3<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Other elements<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">each max <b>0.05<\/b> \u00b7 total max <b>0.15<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Aluminium (Al)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>remainder<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b5\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Mechanical Properties<\/h4>\n<p><!-- dm-diy-sert --><\/p>\n<div style=\"border:1px solid #e3e9ec;margin:22px 0 26px;background:#fff;position:relative;overflow:hidden;\">\n<div style=\"background:#12303f;color:#fff;padding:9px 14px;font-size:14px;font-weight:700;letter-spacing:.3px;position:relative;z-index:2;\">STRENGTH BY AGEING CONDITION<\/div>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"padding:12px 10px 0;\"><svg viewBox=\"0 0 740 610\" style=\"width:100%;height:auto;display:block;\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\"><rect x=\"16\" y=\"6\" width=\"12\" height=\"12\" fill=\"#12303f\"\/><text x=\"34\" y=\"16\" font-size=\"11.5\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">Yield (MPa)<\/text><rect x=\"146\" y=\"6\" width=\"12\" height=\"12\" fill=\"#7fa8bd\"\/><text x=\"164\" y=\"16\" font-size=\"11.5\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">Tensile (MPa)<\/text><text x=\"16\" y=\"44\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">EN 485-2 \u00b7 O \/ H111 \u00b7 sheet 0.5-1.5 mm<\/text><rect x=\"16\" y=\"50\" width=\"505.6\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"528.6\" y=\"62\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">190<\/text><rect x=\"16\" y=\"68\" width=\"212.9\" height=\"15\" fill=\"#12303f\"\/><text x=\"235.9\" y=\"80\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">80<\/text><text x=\"16\" y=\"108\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">EN 485-2 \u00b7 O \/ H111 \u00b7 sheet 1.5-3.0 mm<\/text><rect x=\"16\" y=\"114\" width=\"505.6\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"528.6\" y=\"126\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">190<\/text><rect x=\"16\" y=\"132\" width=\"212.9\" height=\"15\" fill=\"#12303f\"\/><text x=\"235.9\" y=\"144\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">80<\/text><text x=\"16\" y=\"172\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">EN 485-2 \u00b7 O \/ H111 \u00b7 sheet 3.0-6.0 mm<\/text><rect x=\"16\" y=\"178\" width=\"505.6\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"528.6\" y=\"190\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">190<\/text><rect x=\"16\" y=\"196\" width=\"212.9\" height=\"15\" fill=\"#12303f\"\/><text x=\"235.9\" y=\"208\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">80<\/text><text x=\"16\" y=\"236\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">EN 485-2 \u00b7 H22 \/ H32 \u00b7 sheet 0.5-1.5 mm<\/text><rect x=\"16\" y=\"242\" width=\"585.5\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"608.5\" y=\"254\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">220<\/text><rect x=\"16\" y=\"260\" width=\"346.0\" height=\"15\" fill=\"#12303f\"\/><text x=\"369.0\" y=\"272\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">130<\/text><text x=\"16\" y=\"300\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">EN 485-2 \u00b7 H22 \/ H32 \u00b7 sheet 1.5-3.0 mm<\/text><rect x=\"16\" y=\"306\" width=\"585.5\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"608.5\" y=\"318\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">220<\/text><rect x=\"16\" y=\"324\" width=\"346.0\" height=\"15\" fill=\"#12303f\"\/><text x=\"369.0\" y=\"336\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">130<\/text><text x=\"16\" y=\"364\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">EN 485-2 \u00b7 H22 \u00b7 sheet and plate 0.2-40 mm (Aalco thickness band)<\/text><rect x=\"16\" y=\"370\" width=\"585.5\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"608.5\" y=\"382\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">220<\/text><rect x=\"16\" y=\"388\" width=\"346.0\" height=\"15\" fill=\"#12303f\"\/><text x=\"369.0\" y=\"400\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">130<\/text><text x=\"16\" y=\"428\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">EN 485-2 \u00b7 H24 \/ H34 \u00b7 sheet and plate 0.2-25 mm<\/text><rect x=\"16\" y=\"434\" width=\"638.7\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"661.7\" y=\"446\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">240<\/text><rect x=\"16\" y=\"452\" width=\"425.8\" height=\"15\" fill=\"#12303f\"\/><text x=\"448.8\" y=\"464\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">160<\/text><text x=\"16\" y=\"492\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">H112 \u00b7 hot worked product<\/text><rect x=\"16\" y=\"498\" width=\"479.0\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"502.0\" y=\"510\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">180<\/text><rect x=\"16\" y=\"516\" width=\"212.9\" height=\"15\" fill=\"#12303f\"\/><text x=\"235.9\" y=\"528\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">80<\/text><text x=\"16\" y=\"556\" font-size=\"12.5\" font-weight=\"bold\" fill=\"#12303f\" font-family=\"Arial,Helvetica,sans-serif\">H22 \/ H24 \/ H26 band \u2014 PRODUCER TYPICAL value (not a minimum)<\/text><rect x=\"16\" y=\"562\" width=\"652.0\" height=\"15\" fill=\"#7fa8bd\"\/><text x=\"675.0\" y=\"574\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">245<\/text><rect x=\"16\" y=\"580\" width=\"492.3\" height=\"15\" fill=\"#12303f\"\/><text x=\"515.3\" y=\"592\" font-size=\"11.5\" fill=\"#5b7180\" font-family=\"Arial,Helvetica,sans-serif\">185<\/text><\/svg><\/div>\n<div style=\"padding:12px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"overflow-x:auto;position:relative;z-index:2;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;min-width:430px;background:transparent;\">\n<tr>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Condition<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Hardness<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Yield MPa<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Tensile MPa<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Elongation<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">EN 485-2 \u00b7 O \/ H111 \u00b7 sheet 0.5-1.5 mm<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">80<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">190-240<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">14 % min (A50)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">EN 485-2 \u00b7 O \/ H111 \u00b7 sheet 1.5-3.0 mm<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">80<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">190-240<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">16 % min (A50)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">EN 485-2 \u00b7 O \/ H111 \u00b7 sheet 3.0-6.0 mm<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">80<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">190-240<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">18 % min (A50)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">EN 485-2 \u00b7 H22 \/ H32 \u00b7 sheet 0.5-1.5 mm<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">130<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">220-270<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">8 % min (A50)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">EN 485-2 \u00b7 H22 \/ H32 \u00b7 sheet 1.5-3.0 mm<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">130<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">220-270<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">10 % min (A50)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">EN 485-2 \u00b7 H22 \u00b7 sheet and plate 0.2-40 mm (Aalco thickness band)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">130<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">220-270<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">7 % min (A50)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">EN 485-2 \u00b7 H24 \/ H34 \u00b7 sheet and plate 0.2-25 mm<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">160<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">240-280<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">6 % min (A50)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">H112 \u00b7 hot worked product<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">80<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">180<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">12-14 % min<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">H22 \/ H24 \/ H26 band \u2014 PRODUCER TYPICAL value (not a minimum)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">\u2014<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">185-245<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">245-290<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">10-15 %<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"padding:6px 14px 12px;font-size:12px;color:#5b7180;line-height:1.7;border-top:1px solid #f0f3f5;position:relative;z-index:2;\"><b style=\"color:#12303f;\">Every row is an EN 485-2 SPECIFICATION MINIMUM; the last row alone is a producer typical value and must not be mixed in. Because this alloy does not precipitation harden, the rows are ordered by TEMPER and not by an ageing condition. Rockwell C is not measured on aluminium.<\/b> In the chart, a value given as a range is drawn at its lower bound; the full range is in the table. No HRC is given: Rockwell C is not measured on aluminium; hardness is reported as Brinell (HBW\/HB) or Vickers. H22 shares a strength row with H32 and H24 with H34; the difference between them is the production route (partial annealing versus stabilising), not the strength. The last row is a producer typical value covering the whole H22-H26 band together and does not belong to the same thickness band as the specification minima.<\/div>\n<\/div>\n<p><!-- \/dm-diy-sert --><\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>There is a genuine contradiction between sources in this section and we give both sets.<\/b> The values for the semi-hard tempers (H22 \/ H24) came out differently in two separate manufacturer documents. <b>If you are writing a specification, confirm against the current edition of EN 485-2.<\/b><\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Plate \u00b7 Sheet \u2014 O \/ H111 (EN 485-2, by thickness)<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">0.2 \u2013 0.5 mm<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Rm <b>190 \u2013 240<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>12 %<\/b> \u00b7 ~<b>52 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">0.5 \u2013 1.5 mm<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Rm <b>190 \u2013 240<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>14 %<\/b> \u00b7 ~<b>52 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">1.5 \u2013 3.0 mm<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Rm <b>190 \u2013 240<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>16 %<\/b> \u00b7 ~<b>52 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">3.0 \u2013 6.0 mm<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Rm <b>190 \u2013 240<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>18 %<\/b> \u00b7 ~<b>52 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">6.0 \u2013 12.5 mm<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Rm <b>190 \u2013 240<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>18 %<\/b> \u00b7 ~<b>52 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">12.5 \u2013 100 mm<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Rm <b>190 \u2013 240<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>17 %<\/b> \u00b7 ~<b>52 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>The row to read<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Rm has an UPPER limit (240 MPa).<\/b> It exists to guarantee formability: an over-hardened \u201cannealed\u201d plate cracks on the brake. <b>Elongation reaches 18 %<\/b> \u2014 that is 5754\u2019s commercial reason to exist<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Plate \u00b7 Sheet \u2014 Semi-Hard and Hard Tempers [TWO SOURCES, CONTRADICTORY]<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>H22<\/b> \u00b7 source A<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Rm <b>220 \u2013 270<\/b> MPa \u00b7 Rp0.2 <b>130<\/b> MPa \u00b7 A <b>7 \u2013 11 %<\/b> \u00b7 ~<b>63 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>H24<\/b> \u00b7 source A<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Rm <b>240 \u2013 280<\/b> MPa \u00b7 Rp0.2 <b>160<\/b> MPa \u00b7 A <b>6 \u2013 10 %<\/b> \u00b7 ~<b>70 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>H26 \/ H28<\/b> \u00b7 source A<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Rm <b>265 \u2013 305<\/b> MPa \u00b7 Rp0.2 <b>190 \u2013 230<\/b> MPa \u00b7 ~<b>78 \u2013 87 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>H22 \/ H24 \/ H26<\/b> \u00b7 source B<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>[CONTRADICTION]<\/b> Another document from the same manufacturer group gives all three tempers in <b>a single band<\/b>: <b>Rp0.2 185 \u2013 245 MPa \u00b7 Rm 245 \u2013 290 MPa \u00b7 A 10 \u2013 15 %<\/b>. <b>That band is clearly higher than source A\u2019s H22 and H24 values.<\/b> We have seen both; <b>we are not choosing between them<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>H111 treadplate<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">One source gives <b>Rm 160 \u2013 200 MPa \u00b7 Rp0.2 ~60 MPa<\/b> \u2014 <b>LOWER than the O\/H111 values for flat sheet<\/b>, which follows from the product logic of treadplate. <b>Do not use treadplate values for flat sheet<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>What to do<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>If you work in a semi-hard temper, fix the acceptance values in writing at the order stage, referenced to EN 485-2.<\/b> Do not design on the strength of two conflicting commercial documents<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Drawn and Extruded Products (EN 754-2 \u00b7 EN 755-2)<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Drawn round bar \u226480 mm \u00b7 <b>O\/H111<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Rm <b>180 \u2013 250<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>14 \u2013 16 %<\/b> \u00b7 ~<b>45 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Drawn product \u226425 mm \u00b7 <b>H14 \/ H24 \/ H34<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Rm <b>240 \u2013 290<\/b> MPa \u00b7 Rp0.2 min <b>180<\/b> MPa \u00b7 A min <b>3 \u2013 4 %<\/b> \u00b7 ~<b>75 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Drawn product \u226410 mm \u00b7 <b>H18 \/ H28 \/ H38<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Rm min <b>280<\/b> MPa \u00b7 Rp0.2 min <b>240<\/b> MPa \u00b7 A min <b>2 \u2013 3 %<\/b> \u00b7 ~<b>88 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Extruded product \u2264150 mm \u00b7 <b>F \/ H112<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Rm min <b>180<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>12 \u2013 14 %<\/b> \u00b7 ~<b>47 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Extruded product \u2264150 mm \u00b7 <b>O\/H111<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Rm <b>180 \u2013 250<\/b> MPa \u00b7 Rp0.2 min <b>80<\/b> MPa \u00b7 A min <b>15 \u2013 17 %<\/b> \u00b7 ~<b>45 HBW<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>An important observation<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>The EN tables merge H14, H24 and H34 into THE SAME ROW<\/b> (and likewise H18\/H28\/H38 and H12\/H22\/H32). <b>So in terms of mechanical acceptance criteria those three tempers are equivalent;<\/b> the difference lies in <b>the production route<\/b>: H1x = strain hardened only, <b>H2x = strain hardened and partially annealed<\/b>, <b>H3x = strain hardened and stabilized<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Hard temper warning<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>In H18\/H28\/H38 the elongation falls to 2 %.<\/b> That material does not bend. Anywhere forming is involved, use <b>O\/H111<\/b> or at most <b>H22<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b6\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Physical Properties<\/h4>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Physical Properties \u00b7 EN AW-5754<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Density<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>2.67 g\/cm\u00b3<\/b> [one manufacturer] \u00b7 <b>2.66 g\/cm\u00b3<\/b> [two sources] \u2014 the difference is negligible<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Modulus of elasticity (E)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>70.5 GPa<\/b> [two sources] \u00b7 <b>68 GPa<\/b> [one source] \u2014 <b>[CONTRADICTION]<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Shear modulus (G)<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>26.5 GPa<\/b> \u2014 single source<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Thermal conductivity<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>140 \u2013 160 W\/(m\u00b7K)<\/b> [two sources] \u00b7 <b>147 W\/(m\u00b7K)<\/b> [one source] \u2014 <b>clearly higher than 5083 (110\u2013140)<\/b>, because there is less magnesium<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Electrical conductivity<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>20 \u2013 23 m\/(\u03a9\u00b7mm\u00b2)<\/b> [one manufacturer]. Another source gives resistivity as <b>0.049 \u00b5\u03a9\u00b7m<\/b>; a third gives <b>18.8 m\/(\u03a9\u00b7mm\u00b2)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Coefficient of thermal expansion<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>23.9 \u00d7 10\u207b\u2076 K\u207b\u00b9<\/b> (20\u2013100 \u00b0C) [two sources] \u00b7 <b>24 \u00d7 10\u207b\u2076 K\u207b\u00b9<\/b> [one source]<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\">Specific heat<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>900 J\/(kg\u00b7K)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Melting \/ solidification<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">One source gives <b>about 600 \u00b0C<\/b>. <b>That is a single-point simplification<\/b> \u2014 alloys freeze over a range; <b>no verified solidification range for 5754 was obtained in this study<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Erosion resistance<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Manufacturer rating <b>1 (very good)<\/b> \u2014 a notable advantage in abrasive flow and particle-carrying lines<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\">Dimensional stability<\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Manufacturer rating <b>3 (moderate)<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b7\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Heat Treatment and Thermal Stability<\/h4>\n<p><!-- dm-diy-isil --><\/p>\n<div style=\"border:1px solid #e3e9ec;margin:22px 0 26px;background:#fff;position:relative;overflow:hidden;\">\n<div style=\"background:#12303f;color:#fff;padding:9px 14px;font-size:14px;font-weight:700;letter-spacing:.3px;position:relative;z-index:2;\">HEAT TREATMENT \u2014 SCHEMATIC<\/div>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"padding:10px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"font-size:13.5px;font-weight:700;color:#12303f;margin:6px 0 6px;\">1 \u00b7 ANNEALING \u2014 O temper<\/div>\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;background:transparent;\">\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Step<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">1 \u00b7 ANNEALING \u2014 O temper<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Summary<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Removes all the strain hardening gained by cold work; recrystallisation gives the softest and most ductile condition. IT SOFTENS, IT DOES NOT HARDEN.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Temperature<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">360-380 \u00b0C (BIKAR). The Alumeco profile data sheet gives 300 \u00b0C as the annealing temperature for 5xxx. The sources do not agree on one figure, so no single value is given.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Time<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">BIKAR: 1-2 hours heating. No common soak time could be verified across four independent sources.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Cooling<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">BIKAR: in the furnace, uncontrolled. Since the alloy does not harden by heat treatment, the cooling rate does not set the strength.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Resulting hardness<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">EN 485-2 O\/H111: Rp0.2 min 80 MPa, Rm 190-240 MPa, about 45-52 HBW.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding:10px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"font-size:13.5px;font-weight:700;color:#12303f;margin:6px 0 6px;\">2 \u00b7 COLD WORK \u2014 H1x family (strain hardened only)<\/div>\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;background:transparent;\">\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Step<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">2 \u00b7 COLD WORK \u2014 H1x family (strain hardened only)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Summary<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Cold rolling or cold drawing. THERE IS NO HEAT TREATMENT. The second digit gives the amount of deformation: H12 < H14 < H16 < H18 (H18 is full hard).<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Temperature<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Room temperature. No heat treatment is applied.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Time<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Depends on the production route; the specification gives no time.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Cooling<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">None.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Resulting hardness<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">No common EN 485-2 value for the H1x rows could be verified across four independent sources, so they are not carried in the strength table.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding:10px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"font-size:13.5px;font-weight:700;color:#12303f;margin:6px 0 6px;\">3 \u00b7 STRAIN HARDENING + PARTIAL ANNEALING \u2014 H2x family (H22, H24, H26)<\/div>\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;background:transparent;\">\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Step<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">3 \u00b7 STRAIN HARDENING + PARTIAL ANNEALING \u2014 H2x family (H22, H24, H26)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Summary<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">More cold work than the target is applied, then a PARTIAL ANNEAL brings the strength back down in a controlled way and restores ductility. This is the main commercial temper family for 5754.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Temperature<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">The partial annealing temperature depends on the producer&#8217;s process; no figure could be found across four independent sources.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Time<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Not verified.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Cooling<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Not verified.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Resulting hardness<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">EN 485-2 H22: Rp0.2 min 130 MPa, Rm 220-270 MPa, about 63 HB \u00b7 H24: Rp0.2 min 160 MPa, Rm 240-280 MPa, about 70 HB.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding:10px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"font-size:13.5px;font-weight:700;color:#12303f;margin:6px 0 6px;\">4 \u00b7 STRAIN HARDENING + STABILISING \u2014 H3x family (H32, H34, H36)<\/div>\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;background:transparent;\">\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Step<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">4 \u00b7 STRAIN HARDENING + STABILISING \u2014 H3x family (H32, H34, H36)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Summary<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">After cold work the 5xxx alloys soften by themselves at room temperature. A low temperature heat treatment completes that softening in advance and makes the properties STABLE. THIS IS NOT AN AGEING TREATMENT: no precipitation hardening occurs; on the contrary, strength drops slightly and ductility rises.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Temperature<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Stabilising is a low temperature heat treatment; no numerical temperature for 5754 could be verified across four independent sources.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Time<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Not verified.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Cooling<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Not verified.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Resulting hardness<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">In the logic of EN 485-2, H22 shares a strength row with H32 and H24 with H34.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding:10px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"font-size:13.5px;font-weight:700;color:#12303f;margin:6px 0 6px;\">5 \u00b7 H111 \u2014 light work after annealing<\/div>\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;background:transparent;\">\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Step<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">5 \u00b7 H111 \u2014 light work after annealing<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Summary<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Material that has had a small amount of cold work such as levelling or stretching after the O temper, without reaching the H11 level. In EN 485-2 it shares the strength row with O.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Temperature<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">No additional heat treatment.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Time<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Cooling<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Resulting hardness<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Same as O\/H111: Rp0.2 min 80 MPa, Rm 190-240 MPa, A50 min 14-18 % depending on thickness.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding:10px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"font-size:13.5px;font-weight:700;color:#12303f;margin:6px 0 6px;\">6 \u00b7 H112 \u2014 as hot worked, no further processing<\/div>\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;background:transparent;\">\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Step<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">6 \u00b7 H112 \u2014 as hot worked, no further processing<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Summary<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Product that has had no further cold work or heat treatment after hot forming (rolling, extrusion) but that still meets the mechanical property limits.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Temperature<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">No further heat treatment is applied.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Time<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Cooling<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Resulting hardness<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">BIKAR: Rm about 180 MPa, Rp0.2 80 MPa, elongation min 12-14 %, about 47 HBW.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding:10px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"font-size:13.5px;font-weight:700;color:#12303f;margin:6px 0 6px;\">7 \u00b7 AFTER WELDING \u2014 nothing is done<\/div>\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;background:transparent;\">\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Step<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">7 \u00b7 AFTER WELDING \u2014 nothing is done<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Summary<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">No post-weld heat treatment is applied. The welding heat removes the strain hardening in the HAZ and the zone falls back towards O (annealed) strength; there is NO heat treatment that could undo that, because the alloy does not precipitation harden.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Temperature<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Not applicable.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Time<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Cooling<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Resulting hardness<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">The weld zone is designed with the O\/H111 minima.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"padding:6px 14px 12px;font-size:12px;color:#5b7180;line-height:1.7;border-top:1px solid #f0f3f5;position:relative;z-index:2;\">THIS ALLOY DOES NOT PRECIPITATION HARDEN. There is NO solution-treat, quench and age cycle and no ageing step of any kind. Strength comes from magnesium in solid solution plus COLD WORK (strain hardening); the job of heat treatment here is not to add strength but to remove the strain hardening (annealing) or to make the properties stable (stabilising). The steps below are TEMPER PRODUCTION ROUTES, not a heat treatment cycle. The diagram is schematic, the time axis is NOT to scale, and no curve is drawn because no published TTT\/CCT curve was used. There is NO ageing step in this alloy. STABILISING in the H3x family is not an ageing treatment; it does not raise strength, it lowers it slightly and makes it stable. Reading the H temper code: the first digit gives the processing route (1 = strain hardened only, 2 = strain hardened and partially annealed, 3 = strain hardened and stabilised) and the second digit the degree of deformation. The diagram is schematic; the time axis is not to scale.<\/div>\n<\/div>\n<p><!-- \/dm-diy-isil --><\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>There is NO strengthening heat treatment for 5754.<\/b> Heat treatment exists only to <b>soften<\/b> or to <b>stabilize<\/b>.<\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Heat Treatment \u00b7 EN AW-5754<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Solution treatment + ageing<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>DOES NOT EXIST.<\/b> 5754 is not heat-treatable<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Soft annealing (O)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>360 \u2013 380 \u00b0C<\/b>, hold <b>1 \u2013 2 hours<\/b>, then <b>furnace cooling (uncontrolled)<\/b>. For comparison, the same manufacturer gives <b>380\u2013420 \u00b0C<\/b> for 5083 \u2014 <b>higher magnesium, higher annealing temperature<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Partial annealing (the \u201c2\u201d in H2x)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>A partial anneal<\/b> applied after cold work that brings the material back to the target strength level. H22 and H24 are produced this way<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Stabilization (the \u201c3\u201d in H3x)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">A low-temperature treatment that brings the material to a stable condition. <b>It is necessary on Al-Mg alloys<\/b>, because they <b>soften spontaneously<\/b> after cold work. H32 is produced this way<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Why plain H1x is not used<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">In one source\u2019s words the material \u201c<b>spontaneously softens after rolling until reaching stable condition<\/b>\u201d. The strength of a merely strain-hardened 5xxx sheet drifts over time; <b>H2x and H3x stop that drift<\/b>. <b>That is the answer to why 5754\u2019s temper system is so crowded<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Post-weld heat treatment<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Not done and not needed.<\/b> Welded 5754 is left as welded<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Hot forming<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Hammer forging rates <b>2 (good)<\/b>, die forging <b>3 (moderate)<\/b>, <b>hot extrusion 4 (poor)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>The harmful window<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Long warm service carries a <b>\u03b2 phase precipitation<\/b> risk if the magnesium sits at the top of the band. <b>No verified numerical temperature limit for 5754 was obtained<\/b>; see the threshold section above for the mechanism<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b8\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Welding<\/h4>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>5754 is among the best welding alloys in the aluminium family.<\/b> Manufacturer rating tables give <b>TIG 1, MIG 1<\/b> (on a scale where 1 = very good), gas welding <b>2<\/b> and resistance welding <b>3<\/b>. Another source calls gas, arc and resistance welding all <b>\u201cexcellent\u201d<\/b>.<\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Welding Parameters \u00b7 EN AW-5754<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Primary processes<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>MIG<\/b> and <b>TIG<\/b> \u2014 both rated 1. TIG on thin sheet, MIG in volume production<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Filler metal<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Manufacturer datasheets list <b>SG-AlMg3<\/b> (matching base metal chemistry) and <b>SG-AlMg5<\/b>; another source recommends <b>5356<\/b> directly. In practice: <b>ER5754 \/ ER5654<\/b> (matching chemistry) or <b>ER5356<\/b> (more common, higher strength)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>The filler you must not use<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Do not use 4043 (Al-Si).<\/b> Combined with a magnesium-bearing base metal it forms <b>Mg\u2082Si<\/b> in the weld metal; the result is a <b>brittle weld that is open to corrosion<\/b>. <b>5xxx base metal takes 5xxx filler.<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Preheat<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Not required.<\/b> Warming to drive off condensation is the only acceptable use<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Interpass temperature<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Keep it low.<\/b> High heat input both widens the HAZ and encourages \u03b2 phase precipitation. <b>No verified numerical upper limit was obtained in this study<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Brazing<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Poor.<\/b> Brazing with flux rates <b>4\u20135<\/b>, without flux <b>4<\/b>. Soft soldering is also <b>4\u20135<\/b>. <b>5754 is welded, not brazed<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Cleanliness<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Remove the oxide layer with a <b>stainless steel wire brush<\/b>, and remove oil and moisture. <b>Hydrogen porosity<\/b> is the number one defect in aluminium welding<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Post-weld strength<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">In the HAZ the strain hardening from cold work is lost and the material locally returns to the <b>O level<\/b>. <b>But 5754 is already largely sold in the O\/H111 condition<\/b>: the loss in a welded 5754 structure is <b>far smaller than in alloys that start from a hard temper<\/b>. <b>Design rule: calculate the welded structure with O\/H111 values<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b9\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Machining<\/h4>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>5754 is not \u201chard\u201d, it is \u201csticky\u201d<\/b> \u2014 the common problem of the 5xxx family. The manufacturer machinability rating is <b>2 (good)<\/b> in the cold-worked condition and <b>3 (moderate)<\/b> when soft annealed; another source simply calls it <b>\u201caverage\u201d<\/b>. <b>The problem is not cutting speed but the chip refusing to break.<\/b> Where possible, <b>machine the strain-hardened temper rather than the soft one<\/b>.<\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">Machining Parameters \u00b7 5754, carbide tooling<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Turning<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>380 \u2013 620 m\/min<\/b> (1,250\u20132,030 SFM)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Milling<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>470 \u2013 780 m\/min<\/b> (1,540\u20132,560 SFM)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Drilling<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>155 \u2013 260 m\/min<\/b> (510\u2013850 SFM)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Machinability index<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>170 \u2013 280 %<\/b> against the reference base<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Carbide grade<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Uncoated fine-grain carbide<\/b> or <b>PVD-coated N-group<\/b>. <b>A sharp edge and polished flutes are mandatory<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Tool geometry<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>High positive rake, wide helix, few flutes (2\u20133).<\/b> Chip clearance is critical<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Coolant<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>Flood emulsion.<\/b> Dry cutting produces <b>built-up edge (BUE)<\/b>; the finish degrades and dimensions drift<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Chip form<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Long, ductile, stringy chips.<\/b> The common weakness of the 5xxx series. Use chip-breaking geometry and higher feed. <b>For bar-fed automatic turning, 5754 is the wrong alloy<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Forming ratings<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Cold bending <b>2 (good)<\/b> \u00b7 deep drawing <b>2 (good)<\/b> \u00b7 pressure forming <b>3 (moderate)<\/b>. <b>5754\u2019s real job is forming, not machining<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b10\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Corrosion \u2014 Where It Excels, and WHERE IT FAILS<\/h4>\n<p><!-- dm-diy-kars --><\/p>\n<div style=\"border:1px solid #e3e9ec;margin:22px 0 26px;background:#fff;position:relative;overflow:hidden;\">\n<div style=\"background:#12303f;color:#fff;padding:9px 14px;font-size:14px;font-weight:700;letter-spacing:.3px;position:relative;z-index:2;\">COMPARISON<\/div>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"padding:10px 14px 0;font-size:12.5px;color:#5b7180;line-height:1.7;\">CRITERION: (1) STRENGTH, compared only through SPECIFICATION MINIMA of the same standard family \u2014 EN 485-2 for flat products, EN 755-2 for extrusions; typical values are not mixed in. (2) STRENGTHENING MECHANISM: heat-treatable (2017A, 6060, 6082, 7075) versus non-heat-treatable (5754). (3) WELDABILITY, expressed through filler metal and post-weld behaviour as well as the producers&#8217; 1-5 \/ 1-6 ratings. (4) CORROSION RESISTANCE, as normal atmosphere plus seawater plus stress corrosion cracking. (5) MACHINABILITY, from producer ratings per temper. The rows are ordered by strength class, not by preference.<\/div>\n<div style=\"padding:12px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"overflow-x:auto;position:relative;z-index:2;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;min-width:430px;background:transparent;\">\n<tr>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Grade<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Mechanism<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Strength<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Weldability<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Corrosion<\/th>\n<th style=\"padding:7px 9px;text-align:left;font-size:12px;color:#12303f;background:#F2F6F8;border:1px solid #eceff1;\">Limit<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">EN AW-2017A (AlCu4MgSi(A) \u00b7 3.1325)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">HEAT-TREATABLE. Solution treatment 495-505 \u00b0C + quench + NATURAL ageing (T4\/T451). Hardening comes from Al2Cu \/ Al2CuMg precipitation. Artificial ageing (T6) is not used commercially.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">EN 755-2 minima: T4 extruded rod up to 25 mm diameter, Rp0.2 min 260 MPa, Rm min 380 MPa. EN 485-2 sheet T4\/T451: Rp0.2 240-260 MPa, Rm 350-390 MPa.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">NOT SUITABLE FOR FUSION WELDING. Producer data sheets rate gas, TIG and MIG as unsuitable; only resistance (spot) welding is usable. Structural joints are riveted or bolted.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Poor. With copper at 3.5-4.5 % the cathodic Al2Cu particles drive galvanic attack; poor in normal atmosphere and unsuitable for seawater. Plating, anodising or paint is mandatory.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Not used in welded structures or in seawater. Decorative anodising is unsuitable. Even in T451, asymmetric machining of heavy sections is reported to cause distortion.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">EN AW-5754 (AlMg3 \u00b7 3.3535)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">NOT HEAT-TREATABLE. Strength comes from magnesium in solid solution plus COLD WORK (H tempers). There is NO solution treatment or ageing step; tempers such as T4 or T6 are not defined for this alloy.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">EN 485-2 minima: O\/H111 Rp0.2 min 80 MPa, Rm 190-240 MPa \u00b7 H22 Rp0.2 min 130 MPa, Rm 220-270 MPa \u00b7 H24 Rp0.2 min 160 MPa, Rm 240-280 MPa. The lowest strength class of the five.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">THE BEST OF THE FIVE. Gas, arc and resistance welding all rated very good; filler SG-AlMg3 and SG-AlMg5. No post-weld heat treatment is needed or possible; the HAZ returns to annealed (O) strength and the design uses that value.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Very good. Resists seawater and industrially polluted atmospheres; covered by DIN EN 602 for food contact.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Does not replace the others in highly stressed load-bearing structures. Machinability is moderate to poor (soft, gummy chips). Because the magnesium band is 2.6-3.6 %, beta phase (Mg2Al3) sensitisation becomes relevant at the top of the band, so prolonged warm service needs the same care as 5083.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">EN AW-6060 (AlMgSi \u00b7 3.3206)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">HEAT-TREATABLE, by Mg2Si precipitation. Cooling at the exit of the extrusion press (press quench) takes the place of a separate solution treatment; artificial ageing then gives T5. For T6 a separate furnace solution treatment, quench and ageing are applied.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">EN 755-2 minima (rod up to 150 mm): T4 60\/120 MPa \u00b7 T5 120\/160 MPa \u00b7 T6 150\/190 MPa \u00b7 T66 160\/215 MPa. The second lowest of the five and clearly below 6082.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Good. TIG and MIG rated 2 (good). Filler SG-AlMg5, AlSi5, or AlMg3 where the part will be anodised. Welding heat reduces HAZ strength by roughly 50 %.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Very good (normal atmosphere rated 1), good in marine atmosphere. IT IS THE BEST OF THE FIVE FOR DECORATIVE ANODISING, because low iron and manganese give consistent colour and gloss.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Strength is low; a load-bearing structure needs 6082. There is no EN mechanical property table for this alloy in sheet, plate or forging form \u2014 in practice 6060 is an EXTRUSION alloy.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);font-weight:700;color:#12303f;\">EN AW-6082 (AlSi1MgMn \u00b7 3.2315)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">HEAT-TREATABLE. Solution treatment 525-540 \u00b0C + quench + ARTIFICIAL AGEING 155-190 \u00b0C. Hardening comes from Mg2Si (beta&#8221;) precipitation.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">EN 755-2 minima: T6 rod 20-150 mm Rp0.2 min 260 MPa, Rm min 310 MPa \u00b7 T4 Rp0.2 min 110 MPa, Rm min 205 MPa. EN 485-2 T6\/T651 plate 6-12.5 mm: 255\/300 MPa. The highest class among the weldable alloys here.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Good. MIG rated 1 (very good), TIG 2. Filler 4043\/AlSi5 for self-welding or 5356\/AlMg5. HOWEVER the HAZ overages and softens: in a peer-reviewed measurement the proof strength falls from about 260 MPa to below 130 MPa, roughly a 50 % loss.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">Very good (normal atmosphere 1, marine atmosphere 2). Can be certified for marine use under EN 13195.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(247,250,251,.78);color:#3d5260;\">In a welded structure it does not match the corrosion behaviour of 5083\/5754. It is quench sensitive: in heavy sections a slower cooling rate misses the T6 values. For decorative anodising it is behind 6060 because of the manganese.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;\">EN AW-7075 (AlZn5.5MgCu \u00b7 3.4365)<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">HEAT-TREATABLE. Solution treatment 470-480 \u00b0C + quench + ARTIFICIAL AGEING. Hardening comes from MgZn2 (eta&#8217;) precipitation. T73\/T7351 is a TWO-STAGE OVERAGEING treatment that trades strength away to buy resistance to stress corrosion cracking (SCC).<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">EN 485-2 minima: T651 plate 6-12.5 mm Rp0.2 min 460 MPa, Rm min 540 MPa. EN 755-2 T6 extruded rod up to 25 mm: 505\/570 MPa. By far the highest of the five.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">NOT SUITABLE FOR FUSION WELDING. Producer data sheets rate gas, TIG and MIG as unsuitable and the Alcoa weldability table simply states NO. Only resistance welding is usable; joints are riveted or bolted.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">Poor. Producer data sheets rate normal atmosphere and seawater 4-5 (poor to unsuitable). THE GOVERNING LIMIT IS STRESS CORROSION CRACKING: Kaiser rates T6\/T651 as &#8216;C&#8217; \u2014 service failures with sustained tension stress acting in the short transverse direction.<\/td>\n<td style=\"padding:7px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">T6\/T651 in heavy section is open to SCC in the short transverse direction, which is why critical parts are ordered in T73\/T7351. It cannot be welded. Continuous service temperature is about 90 \u00b0C (BIKAR). Decorative anodising is unsuitable.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"padding:10px 12px 2px;position:relative;overflow:hidden;\"><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<div style=\"position:relative;z-index:2;\">\n<div style=\"font-size:13.5px;font-weight:700;color:#12303f;margin:6px 0 6px;\">Additional information<\/div>\n<table style=\"width:100%;border-collapse:collapse;font-size:13.5px;background:transparent;\">\n<tr>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);font-weight:700;color:#12303f;width:34%;vertical-align:top;\">Vurgu<\/td>\n<td style=\"padding:6px 9px;border:1px solid #eceff1;background:rgba(255,255,255,.72);color:#3d5260;\">en-aw-5754<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"padding:6px 14px 12px;font-size:12px;color:#5b7180;line-height:1.7;border-top:1px solid #f0f3f5;position:relative;z-index:2;\">Every strength row is a SPECIFICATION MINIMUM; producer typical values are not mixed into this table. 5754 is the only non-heat-treatable alloy here; the other four are solution treated, quenched and aged. The two mechanisms are not interchangeable. 2017A and 7075 are not suitable for fusion welding; 5754, 6060 and 6082 are weldable. Even in the weldable three the weld zone loses strength. In 7075, T73\/T7351 is an overageing treatment: strength is deliberately lowered in exchange for resistance to stress corrosion cracking.<\/div>\n<\/div>\n<p><!-- \/dm-diy-kars --><\/p>\n<p style=\"margin:18px 0 6px;font-size:15px;font-weight:700;color:#12303f;line-height:1.5;\">Where it excels<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\">In the manufacturer rating tables 5754 scores <b>1 (very good) in normal atmosphere and weather<\/b> and <b>1\u20132 (very good to good) in a seawater atmosphere<\/b>. Another source uses the phrase <b>\u201cexcellent corrosion resistance especially to seawater and industrially polluted atmospheres\u201d<\/b>. The reason: <b>magnesium stabilises the oxide film in chloride environments<\/b>, and <b>copper is held below 0.10 %<\/b>.<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>5754\u2019s real advantage over 5083 is on the surface side.<\/b> The anodising ratings: <b>protective anodising 1 (very good)<\/b>, <b>EQ (special quality) anodising 1 (very good)<\/b>, <b>decorative anodising 2 (good)<\/b>, <b>polishing 1\u20132<\/b>. For comparison, 5083\u2019s decorative anodising rating is <b>4 (poor)<\/b>. <b>For visible architectural surfaces, decorative panels and anodised body parts, the right 5xxx alloy is 5754<\/b>, not 5083. <b>Note:<\/b> EQ quality must be ordered and confirmed separately; standard delivery does not cover it.<\/p>\n<p style=\"margin:18px 0 6px;font-size:15px;font-weight:700;color:#12303f;line-height:1.5;\">WHERE IT FAILS<\/p>\n<div style=\"border:1px solid #d7dfe4;background:#ffffff;margin:24px 0 18px;position:relative;overflow:hidden;\">\n<div style=\"background:#DD3333;color:#ffffff;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:10px 12px;line-height:1.35;\">EN AW-5754 \u00b7 Failure Points<\/div>\n<p><span aria-hidden=\"true\" data-dmwm=\"1\" style=\"position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);font-size:72px;font-weight:800;letter-spacing:.12em;color:#12303f;opacity:.05;white-space:nowrap;pointer-events:none;user-select:none;z-index:3;\">DEFENCE METAL<\/span><\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;\">\n<tbody>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Sensitisation (at the top of the band)<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">5754\u2019s magnesium band <b>crosses the 3 % threshold<\/b>. A cast whose magnesium lies at the top of the band can <b>precipitate \u03b2 phase (Al\u2083Mg\u2082) and open to intergranular corrosion<\/b> in long, warm, chloride-bearing service. <b>The statement \u201c5754 does not sensitise\u201d is not true<\/b> \u2014 what is true is that it is <b>markedly less exposed than 5083<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Galvanic corrosion<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">5754 is <b>active<\/b> relative to steel, stainless steel, copper and bronze; in contact, <b>the aluminium is the sacrificial side<\/b>. If stainless fasteners are used, <b>insulating bushes and washers are mandatory<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Strong alkalis<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Above pH 9 the oxide film dissolves. Alkaline cleaners and contact with concrete or mortar require attention<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Mercury and its compounds<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\"><b>Absolutely forbidden<\/b> \u2014 as with all aluminium alloys<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Waters containing copper ions<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\">Copper plates out on the aluminium surface and forms micro cathodes<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Paint and coating<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Manufacturer rating <b>3 (moderate)<\/b> \u2014 unlike the anodising ratings, the paint side is average. A suitable conversion coating primer is needed<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;background:#F7FAFB;\"><b>Anywhere high strength is needed<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;background:#F7FAFB;\"><b>This is an engineering failure, not a corrosion one.<\/b> In O\/H111 the yield strength is only <b>80 MPa<\/b>. Choosing 5754 for a load-bearing structure thickens the section and cancels the weight advantage. In that case <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-5083\/\">5083<\/a> or <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6082\/\">6082<\/a> is the right answer<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;font-weight:700;color:#12303f;width:42%;\"><b>Complex extruded profiles<\/b><\/td>\n<td style=\"padding:7px 12px;border-top:1px solid #eceff1;\">Hot extrusion rating <b>4 (poor)<\/b>. For thin-walled, complex sections the 6xxx family (<a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6060\/\">6060<\/a> \u00b7 <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6082\/\">6082<\/a>) is the right address<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4 id=\"dm-b11\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Frequently Asked Questions<\/h4>\n<p style=\"margin:18px 0 6px;font-size:15px;font-weight:700;color:#12303f;line-height:1.5;\">5754 or 5052? The specification says 5052 but my supplier is offering 5754.<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>This is the most common 5754 question in daily practice, and the answer is \u201cusually fine, but do not substitute automatically\u201d.<\/b> The two alloys do the same job: both are <b>non-heat-treatable Al-Mg<\/b>, both weld, both resist seawater, both serve food and forming applications. <b>The difference is chemistry:<\/b> 5754 carries <b>2.6\u20133.6 % Mg<\/b>, 5052 carries <b>2.2\u20132.8 % Mg<\/b> \u2014 so <b>5754 has more magnesium and is slightly stronger<\/b>. Chromium in 5052 is also defined <b>with a lower limit<\/b> (0.15\u20130.35 %), while 5754 has only an upper limit (\u22640.30 %). <b>Three questions decide the substitution:<\/b> (1) <b>Is the specification ASTM or EN?<\/b> 5052 is an ASTM\/AA alloy and one of the ASTM B209 grades; <b>inclusion of 5754 in the ASTM B209 grade list could not be verified in this study<\/b>. If an ASTM certificate is required, the substitution <b>creates a certification problem<\/b>. (2) <b>Does the 3 % threshold matter?<\/b> In a heat-exposed, long-life, chloride-bearing application, 5754\u2019s higher magnesium means <b>theoretically more sensitisation risk<\/b>. (3) <b>Do the mechanical values line up?<\/b> Compare the specific temper band you are working in. <b>Conclusion: technically it is usually acceptable, but make the substitution with the customer\u2019s written approval.<\/b><\/p>\n<p style=\"margin:18px 0 6px;font-size:15px;font-weight:700;color:#12303f;line-height:1.5;\">What is the difference between H22, H24 and H32? Which hardness should I ask for?<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>The digits mean this:<\/b> the second digit states <b>the process route<\/b>, the third states <b>the hardness grade<\/b>. <b>H1x = strain hardened only. H2x = strain hardened and partially annealed. H3x = strain hardened and stabilized.<\/b> Third digit: <b>2 = quarter hard, 4 = half hard, 6 = three-quarter hard, 8 = full hard.<\/b> So <b>H22 = quarter hard (partially annealed)<\/b>, <b>H24 = half hard (partially annealed)<\/b>, <b>H32 = quarter hard (stabilized)<\/b>. <b>Why is H1x almost never seen in the 5xxx series?<\/b> Because Al-Mg alloys <b>soften spontaneously<\/b> after cold work; a merely strain-hardened sheet loses strength over time. <b>H2x and H3x stop that drift.<\/b> <b>Practical selection:<\/b> <b>if it will be bent, deep drawn or formed, take O or H111<\/b> (elongation up to 18 %); <b>if you want some strength together with light forming, take H22<\/b>; <b>for flat panels where strength matters and forming is minimal, take H24<\/b>. <b>Go to H26\/H28 only if there is no forming at all<\/b> \u2014 in drawn product the elongation in H18\/H28\/H38 falls to <b>2 %<\/b>. <b>Warning:<\/b> the two commercial documents we have for H22 and H24 <b>gave conflicting values<\/b>; fix the acceptance criteria in writing at the order stage with a reference to EN 485-2.<\/p>\n<p style=\"margin:18px 0 6px;font-size:15px;font-weight:700;color:#12303f;line-height:1.5;\">Can 5754 be used in food equipment? Will it be cheaper than stainless?<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>Yes it can \u2014 and this is one of 5754\u2019s strongest commercial arguments.<\/b> Manufacturer datasheets state explicitly that 5754 is <b>suitable for food contact per DIN EN 602<\/b>. On the same criterion <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-5083\/\">5083<\/a> is suitable too; copper-bearing <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-2017a\/\">2017A<\/a>, by contrast, is <b>not<\/b>. 5754\u2019s advantages on the food side: <b>excellent corrosion resistance<\/b>, <b>excellent weldability<\/b> (TIG and MIG rating 1), <b>excellent formability<\/b> (deep drawing rating 2) and <b>very good anodising behaviour<\/b> (rating 1) \u2014 that is, a hygienic, cleanable surface. <b>But let us be honest: it does not replace stainless everywhere:<\/b> (1) <b>the yield strength in the O condition is only 80 MPa<\/b> \u2014 insufficient for load-bearing frames and legs; (2) <b>strong alkaline cleaners attack aluminium<\/b> (above pH 9), so CIP chemistry must be checked; (3) <b>wear resistance is below stainless<\/b>. <b>Correct use:<\/b> tank shells, hoppers, silos, chutes, covers, panels, handling equipment, and anywhere heat transfer helps (thermal conductivity <b>140\u2013160 W\/(m\u00b7K)<\/b>, roughly ten times stainless). <b>Wrong use:<\/b> highly loaded structural members and surfaces exposed to aggressive alkaline washdown.<\/p>\n<p style=\"margin:18px 0 6px;font-size:15px;font-weight:700;color:#12303f;line-height:1.5;\">Would 5083 be better than 5754? They are both Al-Mg.<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>It depends on the job, and the two alloys really are built for different jobs.<\/b> <b>Strength:<\/b> 5083-H321 plate gives <b>Rp0.2 \u2265215 MPa<\/b>; 5754-O\/H111 plate gives <b>Rp0.2 \u226580 MPa<\/b>. <b>So 5083 is more than twice as strong<\/b> \u2014 if the work is structural, the discussion ends there. <b>Formability:<\/b> in 5754-O the elongation reaches <b>18 %<\/b> and the deep drawing rating is <b>2<\/b>; 5083\u2019s values are lower. <b>If there is deep drawing or complex bending, 5754 wins.<\/b> <b>Surface:<\/b> 5754\u2019s decorative anodising rating is <b>2 (good)<\/b>, 5083\u2019s is <b>4 (poor)<\/b>. <b>If there is a visible surface, 5754 wins.<\/b> <b>Sensitisation:<\/b> 5083 at <b>4.0\u20134.9 % Mg<\/b> is far above the threshold and <b>does not go into continuous service above 65 \u00b0C<\/b>; 5754 (2.6\u20133.6 %) sits on the threshold and is <b>less exposed<\/b>. <b>Summary:<\/b> <b>structures, boats, tanks, armour \u2192 5083<\/b> (<a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-5083\/\">EN AW-5083<\/a>); <b>formed sheet, body panels, food equipment, anodised visible surfaces \u2192 5754<\/b>.<\/p>\n<h4 id=\"dm-b12\" style=\"font-size:19px;font-weight:700;color:#12303f;margin:30px 0 10px;line-height:1.35;\">Common Datasheet Errors and Traps<\/h4>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.75;\"><b>1. Taking semi-hard temper values from a single source.<\/b> Two different documents from the same manufacturer group gave <b>conflicting values<\/b> for H22\/H24: one gave <b>H22 Rm 220\u2013270 \/ Rp0.2 130<\/b> and <b>H24 Rm 240\u2013280 \/ Rp0.2 160<\/b>; the other gave all three tempers in one band as <b>Rp0.2 185\u2013245 \/ Rm 245\u2013290<\/b>. <b>For a design, confirm against the current edition of EN 485-2.<\/b><br \/><b>2. Treating the magnesium band as a single number.<\/b> Sources contradict between <b>2.6\u20133.6 %<\/b> and <b>2.6\u20133.2 %<\/b>. <b>Because the 3 % threshold runs right through that band, the difference is not trivial.<\/b> On a critical application, <b>ask for the cast analysis<\/b>.<br \/><b>3. The titanium row.<\/b> One manufacturer datasheet attributes a band of <b>0.10\u20130.60<\/b> to titanium; that directly contradicts the <b>Ti \u22640.15 %<\/b> given by another source and is most likely <b>a misread combined Mn+Cr row<\/b>. <b>We could not verify it, so we do not publish it as an element row.<\/b><br \/><b>4. \u201c5754 does not sensitise\u201d.<\/b> <b>Wrong.<\/b> The correct statement: <b>its magnesium band crosses the 3 % threshold<\/b>, so it is <b>markedly less exposed than 5083 but not immune<\/b>. Check the cast analysis for heat-exposed, long-life, chloride-bearing applications.<br \/><b>5. Either blindly carrying 5083\u2019s 65 \u00b0C rule over to 5754 \u2014 or ignoring it entirely.<\/b> Both are mistakes. The 65 \u00b0C limit is stated in verified sources <b>for 5083<\/b> (including <b>AS 1734<\/b>); <b>no equivalent prohibition for 5754 was found in verified sources<\/b>. But <b>the mechanism is the same<\/b> and warm continuous service demands care. <b>Do not invent a number; explain the mechanism.<\/b><br \/><b>6. \u201c5754-T6\u201d or any T temper.<\/b> <b>No such material exists.<\/b> 5754 is not heat-treatable.<br \/><b>7. Using treadplate values for flat sheet.<\/b> One source gives H111 treadplate as <b>Rm 160\u2013200 MPa \u00b7 Rp0.2 ~60 MPa<\/b> \u2014 <b>below the O\/H111 values for flat sheet<\/b>.<br \/><b>8. \u201cDensity 2.66 kg\/m\u00b3\u201d.<\/b> We saw this in one source; it is a unit error. The correct figure is <b>2.66 g\/cm\u00b3<\/b>, i.e. <b>2660 kg\/m\u00b3<\/b>.<br \/><b>9. \u201cMelting point 600 \u00b0C\u201d.<\/b> Alloys do not melt at a single point. <b>No verified solidification range for 5754 was obtained in this study<\/b>; a single figure is a simplification.<br \/><b>10. The modulus contradiction.<\/b> Sources give <b>70.5 GPa<\/b> and <b>68 GPa<\/b>. If you are calculating deflection that is a <b>3.5 % difference<\/b>; state which one you used.<br \/><b>11. Treating H2x and H3x as different strength classes.<\/b> <b>The EN tables merge H14\/H24\/H34 into the same row<\/b> (and likewise H12\/H22\/H32 and H18\/H28\/H38). <b>The mechanical acceptance criteria are equivalent<\/b>; the difference is the production route.<br \/><b>12. Using 4043 filler.<\/b> It produces brittle <b>Mg\u2082Si<\/b>. <b>5xxx base metal takes 5xxx filler.<\/b><br \/><b>13. Ordering 5754 while expecting an ASTM certificate.<\/b> 5754 is a <b>European alloy<\/b>; <b>its inclusion in the ASTM B209 \/ B221 grade lists could not be verified in this study<\/b>. If the specification is American, <b>5052<\/b> is what is asked for.<br \/><b>14. Assuming EQ anodising quality is standard delivery.<\/b> <b>EQ must be ordered and confirmed separately<\/b>; producers exclude liability for decorative anodising results.<br \/><b>15. Asking for 5754 extrusions for a complex profile.<\/b> <b>Hot extrusion rating 4 (poor).<\/b> Thin-walled, complex sections are the 6xxx family\u2019s work (<a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6060\/\">6060<\/a> \u00b7 <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6082\/\">6082<\/a>).<br \/><b>16. Planning bends in a hard temper.<\/b> In drawn product the elongation in H18\/H28\/H38 falls to <b>2 %<\/b>. If there is forming, use <b>O\/H111<\/b> or at most <b>H22<\/b>.<br \/><b>17. Using stainless fasteners without insulation.<\/b> 5754 is <b>active<\/b> relative to stainless; in a salt environment the aluminium is the sacrificial side.<br \/><b>18. Ignoring the upper limit on Rm.<\/b> For O\/H111, Rm is <b>capped at 240 MPa<\/b>. That is not a defect but <b>a guarantee of formability<\/b>; an \u201cannealed\u201d plate above the cap cracks on the brake.<\/p>\n<p><!-- \/dm-zengin --><\/p>\n<div class=\"dm-benzer\" style=\"margin:22px 0 0;padding:14px 16px;border:1px solid #e0e0e0;background:#FBFCFD;\">\n<p style=\"font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#9aa3a8;margin:0 0 8px;line-height:1.4;\">Related grades<\/p>\n<p style=\"margin:0;font-size:15px;line-height:2;color:#333;\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6060\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">EN AW 6060<\/a> &nbsp;\u00b7&nbsp; <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-6082\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">EN AW 6082<\/a> &nbsp;\u00b7&nbsp; <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-7075\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">EN AW 7075<\/a> &nbsp;\u00b7&nbsp; <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-2017a\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">EN AW 2017A<\/a> &nbsp;\u00b7&nbsp; <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aluminium-alloys\/\" style=\"color:#666;font-weight:600;text-decoration:none;\">All aluminium alloys \u2192<\/a><\/p>\n<\/div>\n<p><!-- dm-ld --><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebPage\",\"name\":\"EN AW 5754\",\"url\":\"https:\/\/www.defencemetal.com\/index.php\/en\/en-aw-5754\/\",\"inLanguage\":\"en\",\"description\":\"EN AW-5754 (chemical symbol Al Mg3 \/ material number 3.3535 \/ US equivalent A95754 \/ AFNOR A-G3M \/ Spain L-3390 \/ Sweden 144133) is a non-heat-treatable aluminium-magnesium alloy. 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