{"id":4111,"date":"2025-06-24T08:40:03","date_gmt":"2025-06-24T05:40:03","guid":{"rendered":"https:\/\/www.defencemetal.com\/?p=4111"},"modified":"2026-09-24T14:00:11","modified_gmt":"2026-09-24T11:00:11","slug":"hastelloy-x-750-inconel-x-750-2-4669-uns-n07750-ams-5542-ams-5667-nickel-alloy","status":"publish","type":"post","link":"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/24\/hastelloy-x-750-inconel-x-750-2-4669-uns-n07750-ams-5542-ams-5667-nickel-alloy\/","title":{"rendered":"Inconel X-750 (2.4669 \/ UNS N07750) \u2014 AMS 5667 \/ ASTM B637 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 Inconel X-750.<\/strong> For dimensions, standard equivalents, stock and quotations, take a look at the <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/inconel-x750\/\"><strong>Inconel X-750 product page<\/strong><\/a>.<\/div>\n<p><!-- \/dm-urun-link --><\/p>\n<h3><b>Inconel X-750 (UNS N07750): The Industrial Strength of an Age Hardened Super Alloy<\/b><\/h3>\n<h3><b>Alloy Definition and Chemical Composition<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\">Inconel X-750<\/span> is a nickel-chromium based <span class=\"s2\">super alloy<\/span> that can be hardened by ageing and has high mechanical strength at high temperature. Preferred mostly in parts operating under high temperature, this alloy stands out especially with its <span class=\"s2\">resistance to carbide precipitation<\/span>, <span class=\"s2\">creep strength<\/span> and <span class=\"s2\">stress cracking resistance<\/span>.<\/p>\n<p class=\"p3\">Its chemical composition is as follows:<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>Nickel (Ni)<\/b><\/span>: 70% minimum<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Chromium (Cr)<\/b><\/span>: 14 \u2013 17%<\/li>\n<li class=\"p1\"><b>Iron (Fe)<\/b><span class=\"s1\">: 5 \u2013 9%<\/span><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Titanium (Ti)<\/b><\/span>: 2.25 \u2013 2.75%<\/li>\n<li class=\"p1\"><b>Aluminium (Al)<\/b><span class=\"s1\">: 0.4 \u2013 1.0%<\/span><\/li>\n<li class=\"p1\"><b>Niobium + Tantalum (Nb+Ta)<\/b><span class=\"s1\">: 0.7% maximum<\/span><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Carbon (C)<\/b><\/span>: 0.08% maximum<\/li>\n<li class=\"p1\"><b>Manganese (Mn)<\/b><span class=\"s1\">, <\/span><b>Silicon (Si)<\/b><span class=\"s1\">: In trace amounts<\/span><\/li>\n<\/ul>\n<p class=\"p3\">The alloy has been formulated so as to provide <span class=\"s2\"><b>gamma prime (\u03b3\u2019) precipitation<\/b><\/span> in order for it to preserve its strength at high temperatures. These precipitates are activated by the ageing operation.<\/p>\n<hr>\n<h3><b>INCONEL X-750 Standards and Certifications<\/b><\/h3>\n<p class=\"p3\">Inconel X-750 is produced in compliance with a large number of aerospace and industrial standards. These standards set out the quality control of the material in terms of machinability, strength and microstructure.<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>AMS 5667<\/b><\/span> \u2013 Bars and forged products suitable for age hardening<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>AMS 5542<\/b><\/span> \u2013 Sheet and plate products<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>AMS 5582<\/b><\/span> \u2013 Seamless tubing<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM B637<\/b><\/span> \u2013 General bar and forged parts<\/li>\n<li class=\"p1\"><b>UNS N07750<\/b><\/li>\n<li class=\"p1\"><b><\/b><b>Werkstoff Nr. 2.4669<\/b><\/li>\n<\/ul>\n<p class=\"p3\">The aerospace sector in particular prefers products compliant with the AMS 5667 and AMS 5542 specifications. In the supply process these codes play a key role in quality assurance systems.<\/p>\n<hr>\n<h3><b>INCONEL X-750 Trade Names and Equivalent Materials<\/b><\/h3>\n<ul>\n<li class=\"p1\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/inconel-x750\/\"><span class=\"s1\"><b>Inconel\u00ae X-750<\/b><\/span><\/a> \u2013 Special Metals brand (its most widespread commercial equivalent)<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Nicrofer 7016<\/b><\/span>, <span class=\"s1\"><b>ATI X750<\/b><\/span> \u2013 Alternative producer brands<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>UNS N07750<\/b><\/span>, <span class=\"s1\"><b>2.4669<\/b><\/span> \u2013 International designations<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>NiCr15Fe7TiAl<\/b><\/span> \u2013 European chemical notation<\/li>\n<\/ul>\n<p class=\"p3\">Although &#8220;X-750&#8221; in the literature is generally referred to by the name Inconel, chemically it represents the same alloy system. What matters is that the products comply with the technical standards.<\/p>\n<hr>\n<h3><b>Areas of Use and Engineering Applications<\/b><\/h3>\n<p class=\"p3\">Inconel X-750 has a very broad area of use because it remains stable in parts under high temperature and stress:<\/p>\n<p class=\"p1\"><b>1.Aerospace Systems<\/b><b><\/b><\/p>\n<p class=\"p1\">*Turbine discs in jet engines<br \/>\n*Springs and fasteners<br \/>\n*Exhaust systems and burner components<\/p>\n<p class=\"p1\"><b>2.Nuclear Energy<\/b><b><\/b><\/p>\n<p class=\"p1\">*In-reactor springs and bracket systems<br \/>\n*Nuclear power plant valve and sealing systems<\/p>\n<p class=\"p1\"><b>3.Gas Turbines<\/b><b><\/b><\/p>\n<p class=\"p1\">*Turbine blades<br \/>\n*High temperature sealing parts<\/p>\n<p class=\"p1\"><b>4.Chemical and Petrochemical Plants<\/b><\/p>\n<p><b><\/b>*Joints durable against thermal expansion<br \/>\n*High pressure gaskets and insulation parts<\/p>\n<p class=\"p1\"><b>5.Cryogenic Systems<\/b><b><\/b><\/p>\n<p class=\"p1\">Because it preserves its mechanical stability in the cold, it is widely preferred in precision applications.<\/p>\n<p class=\"p4\"><span class=\"s3\">In these applications the properties of <\/span><b>strength after ageing<\/b><span class=\"s3\">, <\/span><b>corrosion resistance<\/b><span class=\"s3\"> and <\/span><b>a stable microstructure<\/b><span class=\"s3\"> play a critical role.<\/span><\/p>\n<hr>\n<h3><b>Advantages<\/b><\/h3>\n<ul>\n<li class=\"p1\"><b>High Strength Through Age Hardening: <\/b>The alloy attains extraordinary high temperature strength with the ageing operation carried out between 705\u2013760 \u00b0C. The \u03b3\u2019 phase precipitated after this operation increases tensile and creep strength.<\/li>\n<li class=\"p1\"><b>Corrosion and Oxidation Resistance: <\/b>Thanks to its high chromium and nickel content it shows stability especially in oxidising environments and gas turbine exhausts.<\/li>\n<li class=\"p1\"><b>Good Weldability: <\/b>It shows good performance especially in <span class=\"s1\"><b>TIG and resistance welding<\/b><\/span> operations. Cracking after welding is minimised with controlled preheating and post-ageing annealing.<\/li>\n<li class=\"p1\"><b>Stable Mechanical Properties for Springs: <\/b>X-750 is known for its spring quality; it preserves its elastic properties under high temperature, and for this reason it is preferred under dynamic loads.<\/li>\n<li class=\"p1\"><b>Compatible with Cryogenic Environments: <\/b>It preserves its mechanical integrity at both high and low temperatures.<\/li>\n<\/ul>\n<hr>\n<h3><b>Disadvantages<\/b><\/h3>\n<ul>\n<li class=\"p1\"><b>Sensitivity to the Ageing Process: <\/b>When the appropriate ageing protocol is not applied, there may be serious deviations in the mechanical properties. Process temperature and duration are critical parameters.<\/li>\n<li class=\"p1\"><b>Carbon and Titanium Carbide Formation: <\/b>In cases of long-term high temperature exposure, carbide precipitation may occur at the grain boundaries. This situation may cause stress cracks.<\/li>\n<li class=\"p1\"><b>Machinability Limitations: <\/b>High hardness and viscosity may accelerate tool wear in machining. It requires special tool geometries.<\/li>\n<li class=\"p1\"><b>Cost: <\/b>Because the nickel ratio is high and it requires an ageing heat treatment, X-750 is not preferred in applications where it is uneconomical.<\/li>\n<\/ul>\n<hr>\n<h3><b>Conclusion and Engineering Evaluation<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\"><b>Inconel X-750<\/b><\/span> is a super alloy that exhibits high temperature performance through age hardening and provides superior protection against oxidative environments. It is used with confidence especially in fields such as <span class=\"s2\"><b>aerospace<\/b><\/span>, <span class=\"s2\"><b>nuclear energy<\/b><\/span> and <span class=\"s2\"><b>high performance spring systems<\/b><\/span>. Its stable microstructure, superior creep strength and spring properties make the material technically superior.<\/p>\n<p class=\"p3\"><span class=\"s2\"><b>AMS, ASTM and EN standards<\/b><\/span> compliance in its production makes it a reliable solution preferred in engineering projects in regulated sectors. Despite its high cost, <span class=\"s2\"><b>a long service life and a low maintenance requirement<\/b><\/span> reduce the total cost of ownership and thereby accelerate the return on investment.<\/p>\n<p>&nbsp;<\/p>\n<h5><span class=\"s1\">#AMS5667<\/span><br \/>\n<span class=\"s1\">#AMS5542<\/span><br \/>\n<span class=\"s1\">#AMS5582<br \/>\n<\/span><span class=\"s1\">#ASTMB637<br \/>\n<\/span><span class=\"s1\">#<\/span>UNSN07750<br \/>\n<span class=\"s1\">#<\/span>2.4669<\/p>\n<p><span class=\"s1\">#Inconel\u00aeX750<\/span><br \/>\n<span class=\"s1\">#Nicrofer7016<\/span><br \/>\n<span class=\"s1\">#UNSN07750<\/span><br \/>\n<span class=\"s1\">#NiCr15Fe7TiAl<\/span><\/h5>\n<hr>\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 Inconel X750 (2.4669)<\/div>\n<div style=\"padding:2px 12px 8px;\">\n<table id=\"tablepress-57\" class=\"tablepress tablepress-id-57\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Kimyasal Bile\u015fimi<br \/>\n(2.4669)<br \/>\n<strong><\/th><td class=\"column-2\"><\/td><th class=\"column-3\">Oda S\u0131cakl\u0131\u011f\u0131ndaki<br \/>\nMekanik \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\">Inconel X-750 (2.4669)<\/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+Co<\/td><td class=\"column-2\">min %70.0<\/td><td class=\"column-3\">\u00d6z k\u00fctlesi (\u00d6zg\u00fcl a\u011f\u0131rl\u0131\u011f\u0131)<\/td><td class=\"column-4\">8280 kg\/m\u00b3<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Cr<\/td><td class=\"column-2\">%14.0-17.0<\/td><td class=\"column-3\">Erime S\u0131cakl\u0131\u011f\u0131<\/td><td class=\"column-4\">1393\u20131427\u00b0C aras\u0131<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Fe<\/td><td class=\"column-2\">%5.00-9.00<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">C<\/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-7\">\n\t<td class=\"column-1\">S<\/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-8\">\n\t<td class=\"column-1\">Al<\/td><td class=\"column-2\">%0.40-1.00<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">Ti<\/td><td class=\"column-2\">%2.25-2.75<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">Nb+Ta<\/td><td class=\"column-2\">%0.70-1.20<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<tr class=\"row-11\">\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-12\">\n\t<td class=\"column-1\">Co<\/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-13\">\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-14\">\n\t<td class=\"column-1\">Si<\/td><td class=\"column-2\">max %0.50<\/td><td class=\"column-3\"><\/td><td class=\"column-4\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-57 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 Inconel X750 (2.4669) \u2014 to AMS 5542, AMS 5667 standards, in the dimensions and forms required. For stock availability and pricing:<\/p>\n<p><a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/inconel-x750\/\" style=\"display:inline-block;color:#ffffff;background:#24BEE5;text-decoration:none;font-weight:600;font-size:14px;padding:10px 17px;line-height:1.2;\">Inconel X750 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\/incoloy-800h\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Incoloy 800H<\/a>  \u00b7  <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/incoloy-825\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Incoloy 825<\/a>  \u00b7  <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/incoloy-925\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Incoloy 925<\/a>  \u00b7  <a href=\"https:\/\/www.defencemetal.com\/index.php\/en\/incoloy-a286\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Incoloy A286<\/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>X-750 (2.4669 \/ UNS N07750) is an age hardened nickel-chromium super alloy strengthened by gamma prime precipitation. Chemical composition, ageing at 705-760 \u00b0C, ASTM B637 and AMS 5542, AMS 5667, AMS 5582 standards, trade names, aerospace, nuclear, gas turbine and spring applications.<\/p>\n","protected":false},"author":1,"featured_media":5764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-4111","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>Inconel X-750 (2.4669 \/ UNS N07750) \u2014 AMS 5667 \/ ASTM B637 Nickel Alloy - Defence Metal<\/title>\n<meta name=\"description\" content=\"X-750 (2.4669 \/ UNS N07750) is an age hardened nickel-chromium super alloy strengthened by gamma prime precipitation.\" \/>\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\/24\/hastelloy-x-750-inconel-x-750-2-4669-uns-n07750-ams-5542-ams-5667-nickel-alloy\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inconel X-750 (2.4669 \/ UNS N07750) \u2014 AMS 5667 \/ ASTM B637 Nickel Alloy - 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