{"id":2434,"date":"2026-01-22T10:12:22","date_gmt":"2026-01-22T09:12:22","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2434"},"modified":"2026-01-30T03:01:46","modified_gmt":"2026-01-30T02:01:46","slug":"hastelloy-x-vs-inconel-718","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/de\/hastelloy-x-vs-inconel-718\/","title":{"rendered":"Hastelloy X gegen\u00fcber Inconel 718"},"content":{"rendered":"<p>Die Wahl der richtigen Superlegierung auf Nickelbasis ist entscheidend f\u00fcr die Luft- und Raumfahrt, die Energieerzeugung und die chemische Verarbeitung. Zwei der bekanntesten Anw\u00e4rter sind <b data-path-to-node=\"0\" data-index-in-node=\"154\"><a href=\"https:\/\/www.nickelcasting.com\/pt\/ligas-de-niquel\/hastelloy-nickel-alloys\/hastelloy-x\/\">Hastelloy X<\/a><\/b> und <b data-path-to-node=\"0\" data-index-in-node=\"170\"><a href=\"https:\/\/www.nickelcasting.com\/pt\/ligas-de-niquel\/ligas-de-niquel-inconel\/inconel-718\/\">Inconel 718<\/a><\/b>. Beide bieten zwar eine au\u00dfergew\u00f6hnliche Leistung, erf\u00fcllen aber sehr unterschiedliche mechanische und thermische Aufgaben.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-2435\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/66.jpg\" alt=\"\" width=\"1200\" height=\"655\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/66.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/66-300x164.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/66-1024x559.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/66-768x419.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/66-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h3 data-path-to-node=\"2\">Hastelloy X vs. 718 Vergleich<\/h3>\n<p data-path-to-node=\"3\">Auf molekularer Ebene besteht der grundlegende Unterschied zwischen <b data-path-to-node=\"3\" data-index-in-node=\"59\">Hastelloy X<\/b> und <b data-path-to-node=\"3\" data-index-in-node=\"75\">Inconel 718<\/b> liegt in ihren Verfestigungsmechanismen. Hastelloy X ist ein <b data-path-to-node=\"3\" data-index-in-node=\"144\">fest-l\u00f6sungsgest\u00e4rkt<\/b> Legierung (\u00fcberwiegend Nickel-Chrom-Eisen-Molybd\u00e4n), w\u00e4hrend Inconel 718 eine <b data-path-to-node=\"3\" data-index-in-node=\"252\">Ausscheidungsh\u00e4rtbar<\/b> (ausgeh\u00e4rtete) Legierung.<\/p>\n<p data-path-to-node=\"4\">Inconel 718 enth\u00e4lt erhebliche Mengen an Niobium (<span class=\"math-inline\" data-math=\"Nb\" data-index-in-node=\"53\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">N<\/span><span class=\"mord mathnormal\">b<\/span><\/span><\/span><\/span><\/span>) und Titan (<span class=\"math-inline\" data-math=\"Ti\" data-index-in-node=\"71\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">T<\/span><span class=\"mord mathnormal\">i<\/span><\/span><\/span><\/span><\/span>), die Gamma-Primzahlen bilden (<span class=\"math-inline\" data-math=\"\\gamma'\" data-index-in-node=\"100\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03b3<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>) und gamma double-prime (<span class=\"math-inline\" data-math=\"\\gamma''\" data-index-in-node=\"133\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03b3<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">\u2032\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>) ausscheidet. Dadurch wird er bei Raumtemperatur und gem\u00e4\u00dfigten Temperaturen wesentlich h\u00e4rter und fester als Hastelloy X. Auf der anderen Seite konzentriert sich Hastelloy X auf <b data-path-to-node=\"4\" data-index-in-node=\"299\">Oxidationsbest\u00e4ndigkeit<\/b> und <b data-path-to-node=\"4\" data-index-in-node=\"324\">Herstellbarkeit<\/b>, making it a &#8220;workhorse&#8221; for components that need to withstand extreme heat without necessarily carrying heavy structural loads.<\/p>\n<table data-path-to-node=\"5\">\n<thead>\n<tr>\n<td><strong>Eigentum<\/strong><\/td>\n<td><strong>Hastelloy X (UNS N06002)<\/strong><\/td>\n<td><strong>Inconel 718 (UNS N07718)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"5,1,0,0\"><b data-path-to-node=\"5,1,0,0\" data-index-in-node=\"0\">Mechanismus der prim\u00e4ren St\u00e4rke<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,1,1,0\">Solide L\u00f6sung<\/span><\/td>\n<td><span data-path-to-node=\"5,1,2,0\">Ausscheidungsh\u00e4rtung<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,2,0,0\"><b data-path-to-node=\"5,2,0,0\" data-index-in-node=\"0\">Die Dichte (<span class=\"math-inline\" data-math=\"g\/cm^3\" data-index-in-node=\"9\">$g\/cm^3$<\/span>)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,2,1,0\">8.22<\/span><\/td>\n<td><span data-path-to-node=\"5,2,2,0\">8.19<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,3,0,0\"><b data-path-to-node=\"5,3,0,0\" data-index-in-node=\"0\">Schmelzbereich<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,3,1,0\">2300-2470\u00b0F (1260-1355\u00b0C)<\/span><\/td>\n<td><span data-path-to-node=\"5,3,2,0\">2300-2437\u00b0F (1260-1336\u00b0C)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,4,0,0\"><b data-path-to-node=\"5,4,0,0\" data-index-in-node=\"0\">Streckgrenze (bei 1200\u00b0F)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,4,1,0\">~35.000 psi (240 MPa)<\/span><\/td>\n<td><span data-path-to-node=\"5,4,2,0\">~150.000 psi (1030 MPa)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"5,5,0,0\"><b data-path-to-node=\"5,5,0,0\" data-index-in-node=\"0\">Maximale Oxidationsgrenze<\/b><\/span><\/td>\n<td><span data-path-to-node=\"5,5,1,0\">2200\u00b0F (1200\u00b0C)<\/span><\/td>\n<td><span data-path-to-node=\"5,5,2,0\">1300\u00b0F (704\u00b0C)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"7\">Hastelloy X vs. 718 Hochtemperaturfestigkeit<\/h3>\n<p data-path-to-node=\"8\">Bei der Analyse von <b data-path-to-node=\"8\" data-index-in-node=\"15\">Hastelloy X vs. 718 Hochtemperaturfestigkeit<\/b>, you must distinguish between &#8220;load-bearing strength&#8221; and &#8220;environmental survival.&#8221;<\/p>\n<ul data-path-to-node=\"9\">\n<li>\n<p data-path-to-node=\"9,0,0\"><b data-path-to-node=\"9,0,0\" data-index-in-node=\"0\">Inconel 718<\/b> ist der K\u00f6nig der strukturellen Integrit\u00e4t bis zu <b data-path-to-node=\"9,0,0\" data-index-in-node=\"54\">1300\u00b0F (700\u00b0C)<\/b>. Er weist eine unglaubliche Zeitstandfestigkeit und Zugfestigkeit auf. Sobald jedoch die Temperaturen diesen Schwellenwert \u00fcberschreiten, beginnen die Ausscheidungen, die 718 seine Festigkeit verleihen, zu vergr\u00f6bern (\u00dcberalterung), und das Material verliert schnell seinen strukturellen Vorteil.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"9,1,0\"><b data-path-to-node=\"9,1,0\" data-index-in-node=\"0\">Hastelloy X<\/b> hat zwar nicht die gleiche Spitzenstreckgrenze wie 718, bietet aber eine h\u00f6here Stabilit\u00e4t bei viel h\u00f6heren Temperaturen. Er bietet au\u00dfergew\u00f6hnliche <b data-path-to-node=\"9,1,0\" data-index-in-node=\"149\">Oxidationsbest\u00e4ndigkeit<\/b> bis zu <b data-path-to-node=\"9,1,0\" data-index-in-node=\"176\">2200\u00b0F (1200\u00b0C)<\/b>. Es ist widerstandsf\u00e4hig gegen Aufkohlung und Nitrierung, die in den Verbrennungszonen von Gasturbinen h\u00e4ufig auftretende Fehler sind.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"11\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-2436\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/67.jpg\" alt=\"\" width=\"1200\" height=\"655\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/67.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/67-300x164.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/67-1024x559.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/67-768x419.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/67-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/h3>\n<h3 data-path-to-node=\"11\">Hastelloy X vs. 718 - Wie man sich entscheidet<\/h3>\n<p data-path-to-node=\"12\">Die Entscheidung \u00fcber <b data-path-to-node=\"12\" data-index-in-node=\"16\">Hastelloy X vs. 718, wie man sich entscheidet<\/b> h\u00e4ngt in der Regel von der Betriebstemperatur und den strukturellen Anforderungen an das Teil ab.<\/p>\n<ol start=\"1\" data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">W\u00e4hlen Sie Inconel 718, wenn:<\/b> Sie konstruieren hoch beanspruchte Bauteile wie Turbinenscheiben, Befestigungselemente oder Kryotanks, bei denen Streckgrenze und Erm\u00fcdungsfestigkeit unterhalb von 1300\u00b0F oberste Priorit\u00e4t haben.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">W\u00e4hlen Sie Hastelloy X, wenn:<\/b> You are designing &#8220;hot-section&#8221; components like combustion liners, afterburners, or furnace retorts. If the part must survive in an oxidizing environment above 1500\u00b0F, Hastelloy X is the safer, more durable choice.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,2,0\"><b data-path-to-node=\"13,2,0\" data-index-in-node=\"0\">Fabrikationsbed\u00fcrfnisse:<\/b> Hastelloy X ist im Allgemeinen leichter zu schwei\u00dfen und zu formen. Inconel 718 ist zwar schwei\u00dfbar, aber anf\u00e4lliger f\u00fcr Dehnungsrissbildung und erfordert eine strenge W\u00e4rmebehandlung nach dem Schwei\u00dfen (PWHT), um seine volle Festigkeit zu erreichen.<\/p>\n<\/li>\n<\/ol>\n<hr data-path-to-node=\"14\" \/>\n<h3 data-path-to-node=\"15\">Verwandte Fragen und Antworten<\/h3>\n<p data-path-to-node=\"16\"><b data-path-to-node=\"16\" data-index-in-node=\"0\">Q1: Kann Inconel 718 f\u00fcr Ofenmuffeln verwendet werden?<\/b> Im Allgemeinen nicht. 718 ist zwar widerstandsf\u00e4hig, aber nicht f\u00fcr die konstante Hochtemperaturoxidation in \u00d6fen geeignet. Hastelloy X oder <a href=\"https:\/\/www.nickelcasting.com\/pt\/ligas-de-niquel\/ligas-de-niquel-inconel\/inconel-600\/\">Inconel 600<\/a> sind besser f\u00fcr nicht-strukturelle Umgebungen in \u00d6fen geeignet.<\/p>\n<p data-path-to-node=\"17\"><b data-path-to-node=\"17\" data-index-in-node=\"0\">F2: Ist Hastelloy X teurer als Inconel 718?<\/b> Die Preise schwanken je nach Molybd\u00e4n- und Nickelmarkt, aber Hastelloy X ist aufgrund seines speziellen Molybd\u00e4ngehalts und des geringeren Produktionsvolumens im Vergleich zum weit verbreiteten Inconel 718 oft teurer.<\/p>\n<p data-path-to-node=\"18\"><b data-path-to-node=\"18\" data-index-in-node=\"0\">F3: Welche Legierung ist f\u00fcr kryogene Anwendungen besser geeignet?<\/b> Inconel 718 eignet sich hervorragend f\u00fcr kryogene Temperaturen, da es eine hohe Z\u00e4higkeit und Festigkeit beibeh\u00e4lt, ohne spr\u00f6de zu werden, was es zu einem Standard f\u00fcr Fl\u00fcssigraketentreibstoffsysteme macht.<\/p>\n<p data-path-to-node=\"4\">","protected":false},"excerpt":{"rendered":"<p>Choosing the right nickel-based superalloy is critical for aerospace, power generation, and chemical processing. Two of the most prominent contenders are Hastelloy X and Inconel 718. While both offer exceptional performance, they serve very different mechanical and thermal roles. Hastelloy X vs 718 Comparison At the molecular level, the fundamental difference between Hastelloy X and [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2435,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1769738364:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["57"],"rank_math_description":["Compare Hastelloy X and Inconel 718 in strengthening mechanisms, high-temperature performance, oxidation resistance, and applications."],"rank_math_focus_keyword":["hastelloy x vs inconel 718"],"_thumbnail_id":["2435"],"_wp_page_template":["default"],"site-sidebar-layout":["default"],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:26:\"Hastelloy X vs Inconel 718\";}"],"astra-migrate-meta-layouts":["set"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) 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the right nickel-based superalloy is critical for aerospace, power generation, and chemical processing. Two of the most prominent contenders are Hastelloy X and Inconel 718. While both offer exceptional performance, they serve very different mechanical and thermal roles. Hastelloy X vs 718 Comparison At the molecular level, the fundamental difference between Hastelloy X and&hellip;","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/posts\/2434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/comments?post=2434"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/posts\/2434\/revisions"}],"predecessor-version":[{"id":2438,"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/posts\/2434\/revisions\/2438"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/media\/2435"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/media?parent=2434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/categories?post=2434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/de\/wp-json\/wp\/v2\/tags?post=2434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}