{"id":3689,"date":"2026-09-16T11:20:18","date_gmt":"2026-09-16T08:20:18","guid":{"rendered":"https:\/\/www.defencemetal.com\/index.php\/en\/ferritic-steels\/"},"modified":"2026-09-24T10:40:55","modified_gmt":"2026-09-24T07:40:55","slug":"ferritic-steels","status":"publish","type":"page","link":"https:\/\/www.defencemetal.com\/index.php\/en\/ferritic-steels\/","title":{"rendered":"Ferritic Stainless Steels"},"content":{"rendered":"<p><!-- dm-ara --><\/p>\n<div data-dmara=\"1\" style=\"border:1px solid #d7dfe4;background:#ffffff;margin:0 0 22px;padding:14px 16px;position:relative;\">\n<div style=\"font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#6b8091;font-weight:600;margin-bottom:9px;\">Search within this group<\/div>\n<p><input type=\"text\" data-dmara-in=\"1\" autocomplete=\"off\" placeholder=\"Alloy name, UNS or W.-Nr. \u2014 e.g. 625, N06625, 2.4856\" style=\"width:100%;box-sizing:border-box;padding:11px 13px;font-size:15px;border:1px solid #c9d5dc;background:#F7FAFB;color:#12303f;outline:none;\"><\/p>\n<div data-dmara-say=\"1\" style=\"font-size:12px;color:#7b8f9b;margin:8px 0 10px;\">4 alloys<\/div>\n<div data-dmara-lst=\"1\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aisi-405\/\" data-dmara-k=\"aisi 405 uns s40500 w.nr. 1.4002 x6cral13\" style=\"display:block;padding:9px 12px;border:1px solid #eceff1;background:#F7FAFB;margin:0 0 6px 0;text-decoration:none;color:#12303f;font-size:14px;line-height:1.45;\"><strong>AISI 405<\/strong><span style=\"font-size:12px;color:#7b8f9b;display:block;margin-top:2px;\">UNS S40500 \u00b7 W.Nr. 1.4002 \u00b7 X6CrAl13<\/span><\/a><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aisi-430\/\" data-dmara-k=\"aisi 430 uns s43000 w.nr. 1.4016 x6cr17\" style=\"display:block;padding:9px 12px;border:1px solid #eceff1;background:#F7FAFB;margin:0 0 6px 0;text-decoration:none;color:#12303f;font-size:14px;line-height:1.45;\"><strong>AISI 430<\/strong><span style=\"font-size:12px;color:#7b8f9b;display:block;margin-top:2px;\">UNS S43000 \u00b7 W.Nr. 1.4016 \u00b7 X6Cr17<\/span><\/a><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aisi-430f\/\" data-dmara-k=\"aisi 430f uns s43020\" style=\"display:block;padding:9px 12px;border:1px solid #eceff1;background:#F7FAFB;margin:0 0 6px 0;text-decoration:none;color:#12303f;font-size:14px;line-height:1.45;\"><strong>AISI 430F<\/strong><span style=\"font-size:12px;color:#7b8f9b;display:block;margin-top:2px;\">UNS S43020<\/span><\/a><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aisi-434\/\" data-dmara-k=\"aisi 434 uns s43400 w.nr. 1.4113 x6crmo17-1\" style=\"display:block;padding:9px 12px;border:1px solid #eceff1;background:#F7FAFB;margin:0 0 6px 0;text-decoration:none;color:#12303f;font-size:14px;line-height:1.45;\"><strong>AISI 434<\/strong><span style=\"font-size:12px;color:#7b8f9b;display:block;margin-top:2px;\">UNS S43400 \u00b7 W.Nr. 1.4113 \u00b7 X6CrMo17-1<\/span><\/a><\/div>\n<div data-dmara-yok=\"1\" style=\"display:none;padding:10px 12px;font-size:13.5px;color:#5b7180;background:#F7FAFB;border:1px solid #eceff1;\">No match on this page. Use the magnifier at the top to search the whole site.<\/div>\n<\/div>\n<p><script>(function(){function kf(s){s=String(s);s=s.split(\"I\").join(\"\u0131\");s=s.split(\"\u0130\").join(\"i\");s=s.toLowerCase();s=s.split(\"\u015f\").join(\"s\");s=s.split(\"\u011f\").join(\"g\");s=s.split(\"\u00fc\").join(\"u\");s=s.split(\"\u00f6\").join(\"o\");s=s.split(\"\u00e7\").join(\"c\");s=s.split(\"\u0131\").join(\"i\");return s;}function kur(kutu){var inp=kutu.querySelector(\"[data-dmara-in]\");if(!inp){return;}var lst=kutu.querySelector(\"[data-dmara-lst]\");var yok=kutu.querySelector(\"[data-dmara-yok]\");var say=kutu.querySelector(\"[data-dmara-say]\");var sat=lst.querySelectorAll(\"[data-dmara-k]\");var tam=sat.length;var bs=say?say.textContent.replace(\/^[0-9]+\\s*\/,\"\"):\"\";function calis(){var q=kf(inp.value).replace(\/\\s+\/g,\" \").replace(\/^\\s|\\s$\/g,\"\");var n=0;Array.prototype.forEach.call(sat,function(el){var g=true;if(q!==\"\"){if(el.getAttribute(\"data-dmara-k\").indexOf(q)===-1){g=false;}}el.style.display=g?\"block\":\"none\";if(g){n=n+1;}});if(yok){yok.style.display=(n===0)?\"block\":\"none\";}if(say){say.textContent=n+\" \"+bs;}}inp.addEventListener(\"input\",calis);inp.addEventListener(\"keydown\",function(e){if(e.key===\"Escape\"){inp.value=\"\";calis();}});calis();}function init(){var l=document.querySelectorAll(\"[data-dmara]\");Array.prototype.forEach.call(l,kur);}if(document.readyState===\"loading\"){document.addEventListener(\"DOMContentLoaded\",init);}else{init();}})();<\/script><!-- \/dm-ara --><\/p>\n<h3>FERRITIC STAINLESS STEELS<\/h3>\n<p>Ferritic stainless steels are the chromium based group of stainless steels with a body-centred cubic (BCC) crystal structure, containing no nickel or very little. Because they do not depend on nickel, their prices are more stable than those of the austenitic grades.<\/p>\n<p>They are magnetic and cannot be hardened by heat treatment. Their clearest advantage is that they are far more resistant to stress corrosion cracking (SCC) in chloride-bearing environments than the austenitic steels. Their coefficients of thermal expansion are also low, which reduces distortion in parts working at high temperature.<\/p>\n<p>In return, their formability and weldability are behind those of the austenitic grades, and a loss of toughness can be seen at low temperatures. They are therefore used less for heavy structural loads and more in applications exposed to atmospheric corrosion where forming demands are limited.<\/p>\n<p><strong>Choosing a grade.<\/strong> For parts that will be welded and will work at high temperature, AISI 405 is suitable thanks to its titanium stabilisation. AISI 430, the most common ferritic grade, is used on decorative surfaces and in interior applications. AISI 430F is the choice for free-machining parts requiring extensive machining, and molybdenum-bearing AISI 434 where higher corrosion resistance than 430 is required.<\/p>\n<h5>OUR FERRITIC STAINLESS STEEL GRADES<\/h5>\n<ul>\n<li><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aisi-405\/\">AISI 405 \/ (1.4002)<\/a><\/li>\n<li><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aisi-430\/\">AISI 430 \/ (1.4016)<\/a><\/li>\n<li><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aisi-430f\/\">AISI 430F \/ (1.4105)<\/a><\/li>\n<li><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/aisi-434\/\">AISI 434 \/ (1.4113)<\/a><\/li>\n<\/ul>\n<p>To identify the right grade for your application, or to share your size, standard and certification requirements, <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/contact\/\">contact us<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Search within this group 4 alloys AISI 405UNS S40500 \u00b7 W.Nr. 1.4002 \u00b7 X6CrAl13AISI 430UNS S43000 \u00b7 W.Nr. 1.4016 \u00b7 X6Cr17AISI 430FUNS S43020AISI 434UNS S43400 \u00b7 W.Nr. 1.4113 \u00b7 X6CrMo17-1 No match on this page. Use the magnifier at the top to search the whole site. FERRITIC STAINLESS STEELS Ferritic stainless steels are the chromium &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/ferritic-steels\/\" class=\"more-link\"><span class=\"screen-reader-text\"> &#8220;Ferritic Stainless Steels&#8221;<\/span>devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3526,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_title":"Ferritic Stainless Steels | Defence Metal","_yoast_wpseo_metadesc":"Ferritic stainless steel grades: AISI 405, 430, 430F and 434. Chromium-based, nickel-free, with high resistance to chloride stress corrosion cracking.","inspiro_hide_title":false,"inspiro_hide_featured_image":false,"footnotes":""},"dm_sektor":[],"class_list":["post-3689","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ferritic Stainless Steels | Defence Metal<\/title>\n<meta name=\"description\" content=\"Ferritic stainless steel grades: AISI 405, 430, 430F and 434. 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