{"id":4109,"date":"2025-06-23T15:43:21","date_gmt":"2025-06-23T12:43:21","guid":{"rendered":"https:\/\/www.defencemetal.com\/?p=4109"},"modified":"2026-09-24T14:35:53","modified_gmt":"2026-09-24T11:35:53","slug":"hastelloy-c276-2-4819-uns-n10276-ams-5530-ams-5750-nickel-alloy","status":"publish","type":"post","link":"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/23\/hastelloy-c276-2-4819-uns-n10276-ams-5530-ams-5750-nickel-alloy\/","title":{"rendered":"Hastelloy C276 (2.4819 \/ UNS N10276) \u2014 ASTM B574 \/ ASTM B575 Nickel Alloy"},"content":{"rendered":"<p><!-- dm-urun-link --><\/p>\n<div style=\"border:1px solid #d7dfe4;border-left:3px solid #DD3333;background:#F7FAFB;padding:11px 15px;margin:0 0 20px;font-size:14px;line-height:1.55\"><strong style=\"color:#12303f\">We supply Hastelloy C276.<\/strong> For dimensions, standard equivalents, stock and quotations, take a look at the <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/hastelloy-c-276\/\"><strong>Hastelloy C276 product page<\/strong><\/a>.<\/div>\n<p><!-- \/dm-urun-link --><\/p>\n<h3><b>HASTELLOY C276 (UNS N10276): The Reliable Super Alloy of Abrasive Environments<\/b><\/h3>\n<h3><b>Technical Definition and Composition Properties<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\">Hastelloy C276<\/span> is a <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/nickel-alloys\/\">nickel<\/a>-based <span class=\"s2\">super alloy<\/span> developed to operate in extreme corrosion environments. Its main components are approximately 57% <span class=\"s2\">nickel<\/span>, 15.5% <span class=\"s2\">molybdenum<\/span>, 15.5% <span class=\"s2\">chromium<\/span>, 5.5% <span class=\"s2\">iron<\/span> and 3.5% <span class=\"s2\">tungsten<\/span>; it also contains small amounts of <span class=\"s2\">cobalt<\/span>, <span class=\"s2\">manganese<\/span>, <span class=\"s2\">vanadium<\/span>, <span class=\"s2\">carbon<\/span>, <span class=\"s2\">silicon<\/span> and <span class=\"s2\">phosphorus<\/span>.<\/p>\n<p class=\"p3\">C276 is a versatile alloy providing a broad spectrum of resistance to both <span class=\"s2\">oxidising and reducing<\/span> environments. It provides superior protection especially against demanding chemical compositions such as <span class=\"s2\">wet chlorine gas<\/span>, <span class=\"s2\">hypochlorite<\/span>, <span class=\"s2\">chlorine dioxide<\/span>, <span class=\"s2\">organic and inorganic acids<\/span>, <span class=\"s2\">sea water<\/span> and <span class=\"s2\">acidic slurries<\/span>.<\/p>\n<p class=\"p3\">In terms of microstructure it is <a href=\"https:\/\/en.wikipedia.org\/wiki\/%C3%96stenitik_paslanmaz_%C3%A7elik\"><span class=\"s2\">austenitic<\/span><\/a> in character, and since no grain boundary precipitation forms after welding, the risk of corrosion cracking is low even <span class=\"s2\">in heat sensitive environments<\/span>. Thanks to this property it is described in industry as a &#8220;<span class=\"s2\">weldable super alloy<\/span>&#8220;.<\/p>\n<hr>\n<h3><b>ASTM, AMS and Other Standards <\/b><b>for Hastelloy C276<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\">Hastelloy C276<\/span> should be produced and tested in compliance with the following standards:<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM B575<\/b><\/span> \u2013 Sheet, plate, strip products<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM B622 \/ B619 \/ B626<\/b><\/span> \u2013 Seamless and welded pipes<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM B564<\/b><\/span> \u2013 Forged parts and flanges<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM B366<\/b><\/span> \u2013 Welded fittings<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASME SB-575<\/b><\/span> \u2013 Requirements for pressure vessel applications<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>UNS N10276<\/b><\/span> \u2013 Unified Numbering System chemical designation<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>W.Nr. 2.4819<\/b><\/span> \u2013 European designation code<\/li>\n<\/ul>\n<p class=\"p3\">The <span class=\"s2\">project suitability<\/span> of products supplied in line with these norms is guaranteed. Certification in line with these standards is mandatory especially in the <span class=\"s2\">petrochemical, pharmaceutical, energy<\/span> and <span class=\"s2\">marine<\/span> sectors.<\/p>\n<hr>\n<h3><b>Hastelloy C276 <\/b><b>Trade Names and Equivalents<\/b><\/h3>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>Hastelloy\u00ae C-276\u00ae<\/b><\/span> \u2013 Trade name registered by Haynes International<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Alloy C-276<\/b><\/span> \u2013 Widely used in the technical literature<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>UNS N10276<\/b><\/span> \u2013 Chemical composition reference<\/li>\n<li class=\"p1\"><b>Werkstoff Nr. 2.4819<\/b><span class=\"s1\"> \u2013 European equivalent<\/span><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>NiMo16Cr15W<\/b><\/span> \u2013 Chemical symbol according to the EN standard<\/li>\n<\/ul>\n<p class=\"p4\"><span class=\"s3\">Among its equivalents are alloys such as <\/span>Nicrofer 5716<span class=\"s3\">, <\/span>ATI C-276<span class=\"s3\">, <\/span>VDM Alloy C-276<span class=\"s3\"> and <\/span>Haynes C276<span class=\"s3\">. C-276, however, stands out with its <\/span>stable weldability<span class=\"s3\"> and <\/span>industry-wide reliability<span class=\"s3\">.<\/span><\/p>\n<hr>\n<h3><b>Hastelloy C-276 <\/b><b>Application Areas<\/b><\/h3>\n<p class=\"p3\">Hastelloy C276 is preferred in complex environments where abrasive fluids combine with high temperature and pressure:<\/p>\n<p class=\"p1\"><b>1.Chemical and Petrochemical Industry<br \/>\n<\/b><b><\/b><br \/>\n*Lines carrying sulphuric, hydrochloric, nitric and phosphoric acids<br \/>\n*Reactor and steam boiler parts<br \/>\n*Chemical storage tanks and agitators<\/p>\n<p><b>2.Waste Water and Environmental Technologies<\/b><\/p>\n<p class=\"p1\">*Acidic drainage and waste neutralisation systems<br \/>\n*Catalytic reduction and emission control systems<\/p>\n<p class=\"p1\"><b>3.Pharmaceutical and Biotechnology<\/b><b><\/b><\/p>\n<p class=\"p1\">*Reactor linings durable against cleaning chemicals and sterile environments<br \/>\n*Process fittings in GMP compliant facilities<\/p>\n<p class=\"p1\"><b>4.Nuclear and Thermal Power Plants<\/b><b><\/b><\/p>\n<p class=\"p1\">*Heat exchangers, steam generators<br \/>\n*Aggressive chemical interaction zones in nuclear fuel recovery<\/p>\n<p class=\"p1\"><b>5.Marine and Offshore Applications<\/b><b><\/b><\/p>\n<p>*Pipe systems in contact with salt water<br \/>\n*Subsea wellhead equipment<\/p>\n<p class=\"p3\">In these areas of use Hastelloy C276 provides long life, low maintenance and high safety.<\/p>\n<hr>\n<h3><b>Advantages<\/b><\/h3>\n<ul>\n<li class=\"p1\"><b>Versatile Corrosion Resistance: <\/b>It can be used in both oxidising and reducing acid environments at the same time. This makes it ideal especially for variable processes.<\/li>\n<li class=\"p1\"><b>Post-Weld Stability: <\/b>Unlike other alloys, it does not require post-weld heat treatment. Grain boundary precipitation does not form.<\/li>\n<li class=\"p1\"><b>High Temperature Strength: <\/b>It preserves its stability up to 1040 \u00b0C. It provides metallurgical integrity even in oxidising atmospheres.<\/li>\n<li class=\"p1\"><b>Resistance to Chloride and Acid Environments: <\/b>It is durable especially against the pitting and cracking caused by chloride ions.<\/li>\n<li class=\"p1\"><b>Ease of Industrial Certification: <\/b>It complies easily with international standards such as ASTM, ASME and AMS.<\/li>\n<\/ul>\n<hr>\n<h3><b>Disadvantages<\/b><\/h3>\n<ul>\n<li class=\"p1\"><b>High Cost: <\/b>Because of the strategic metals it contains, such as nickel, molybdenum and tungsten, the alloy cost is high. This may not be economical for general structural applications.<\/li>\n<li class=\"p1\"><b>Machinability Difficulties: <\/b>Because of its hardness and structural stability it requires special cutting tools and low feed rates in machining.<\/li>\n<li class=\"p1\"><b>Heavier Than the Alternatives: <\/b>Because of the material density and cost it may fall out of favour in applications requiring lightness.<\/li>\n<\/ul>\n<hr>\n<h3><b>Conclusion and Engineering Evaluation<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\">Hastelloy C276<\/span> is one of the nickel-based super alloys most trusted in engineering, resistant to the most demanding conditions of chemical processes. It is a material that directly affects system safety, especially <span class=\"s2\">in processes carrying a high corrosion risk<\/span>.<\/p>\n<p class=\"p3\">Although it is in the high price segment, it is advantageous in terms of total cost of ownership because it offers <span class=\"s2\">a low maintenance requirement<\/span>, <span class=\"s2\">a long service life<\/span> and <span class=\"s2\">continuous process safety<\/span>. For this reason C-276 continues to be the indispensable building block of critical components in industrial engineering.<\/p>\n<p>&nbsp;<\/p>\n<h5>#HastelloyC276<br \/>\n#Alloyc276<br \/>\n#Alloyc276<br \/>\n#InconelAlloyc276<br \/>\n#UNSN10276<br \/>\n#2.4819<br \/>\n#NiMo16Cr15W<br \/>\n#ASTMB366<br \/>\n#ASTMB564<br \/>\n#ASTMB574<br \/>\n#ASTMB575<br \/>\n#ASTMB619<br \/>\n#ASTMB622<br \/>\n#ASTMB626<\/h5>\n<p><!-- dm-tablo --><\/p>\n<div class=\"dm-tablo\" 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;\">Chemical Composition \u00b7 Hastelloy C276 (2.4819)<\/div>\n<div style=\"padding:2px 12px 8px;\">\n<table id=\"tablepress-47\" class=\"tablepress tablepress-id-47\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Kimyasal Bile\u015fimi (NiMo16Cr15W)<br \/>\n<strong><\/th><td class=\"column-2\"><\/td><th class=\"column-3\">Oda S\u0131cakl\u0131\u011f\u0131ndaki Mekanik \u00d6zellikleri<br \/>\n<strong><\/th><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<th class=\"column-1\">Kalite <strong><\/th><th class=\"column-2\">Hastelloy C-276 (2.4819)<\/th><th class=\"column-3\">\u00d6zellikler<\/th><th class=\"column-4\">De\u011ferler<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-hover\">\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Ni<\/td><td class=\"column-2\">%51-63.5<br \/>\n(Genelde %57 civar\u0131)<\/td><td class=\"column-3\">\u00d6z k\u00fctlesi (\u00d6zg\u00fcl a\u011f\u0131rl\u0131\u011f\u0131)<\/td><td class=\"column-4\">9220 kg\/m\u00b3<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Cr<\/td><td class=\"column-2\">%14.5-16.5<\/td><td class=\"column-3\">Erime S\u0131cakl\u0131\u011f\u0131<\/td><td class=\"column-4\">1370 \u2013 1420 \u00b0C aras\u0131<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Fe<\/td><td class=\"column-2\">%4.0-7.0<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Mo<\/td><td class=\"column-2\">%15-17<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">W Tungsten<\/td><td class=\"column-2\">%3.0-4.5<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">Co<\/td><td class=\"column-2\">max %2.5<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">C<\/td><td class=\"column-2\">max %0.01<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">Mn<\/td><td class=\"column-2\">max %1.00<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">Si<\/td><td class=\"column-2\">max %0.08<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-12\">\n\t<td class=\"column-1\">P<\/td><td class=\"column-2\">max %0.04<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-13\">\n\t<td class=\"column-1\">S<\/td><td class=\"column-2\">max %0.03<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-14\">\n\t<td class=\"column-1\">Cu<\/td><td class=\"column-2\">max %0.50<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-15\">\n\t<td class=\"column-1\">V<\/td><td class=\"column-2\">max %0.35<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-47 from cache --><\/div>\n<\/div>\n<p><!-- \/dm-tablo --><\/p>\n<p><!-- dm-ic-baglanti --><\/p>\n<div class=\"dm-ic-baglanti\" style=\"margin:28px 0 0;border:1px solid #e0e0e0;border-left:4px solid #DD3333;background:#FAFAFA;padding:16px 18px;\">\n<p style=\"font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#DD3333;margin:0 0 6px;line-height:1.4;\">We supply this material<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.65;color:#333;\">We supply Hastelloy C276 (2.4819) \u2014 to ASTM B574 \/ ASTM B575 standards, in the dimensions and forms required. For stock availability and pricing:<\/p>\n<p><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/hastelloy-c-276\/\" style=\"display:inline-block;color:#ffffff;background:#24BEE5;text-decoration:none;font-weight:600;font-size:14px;padding:10px 17px;line-height:1.2;\">Hastelloy C276 product page \u2192<\/a>\n<\/div>\n<p><!-- \/dm-ic-baglanti --><\/p>\n<p><!-- dm-benzer --><\/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;\">Similar products<\/p>\n<p style=\"margin:0;font-size:15px;line-height:2;color:#333;\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/hastelloy-c-2000\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Hastelloy C-2000<\/a>  \u00b7  <a href=\"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/24\/hastelloy-x-2-4665-uns-n06002-ams-5536-ams-5754-nickel-alloy\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Hastelloy X<\/a>  \u00b7  <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/monel-400\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Monel 400<\/a>  \u00b7  <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/monel-k500\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Monel K-500<\/a>  \u00b7  <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/nickel-alloys\/\" style=\"color:#666;font-weight:600;text-decoration:none;\">All nickel alloys \u2192<\/a><\/p>\n<\/div>\n<p><!-- \/dm-benzer --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hastelloy C276 (2.4819 \/ UNS N10276) is a nickel-molybdenum-chromium super alloy resistant to wet chlorine, hypochlorite, acids and sea water without post-weld heat treatment. Chemical composition, ASTM B575 \/ B622 \/ B564 and AMS 5530, AMS 5750 standards, trade names and application areas.<\/p>\n","protected":false},"author":1,"featured_media":2133,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-4109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hastelloy C276 (2.4819 \/ UNS N10276) \u2014 ASTM B574 \/ ASTM B575 Nickel Alloy - Defence Metal<\/title>\n<meta name=\"description\" content=\"Hastelloy C276 (2.4819 \/ UNS N10276) is a nickel-molybdenum-chromium super alloy resistant to wet chlorine, hypochlorite, acids and sea water without\u2026\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/23\/hastelloy-c276-2-4819-uns-n10276-ams-5530-ams-5750-nickel-alloy\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hastelloy C276 (2.4819 \/ UNS N10276) \u2014 ASTM B574 \/ ASTM B575 Nickel Alloy - 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