{"id":2254,"date":"2026-01-09T09:00:21","date_gmt":"2026-01-09T08:00:21","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?page_id=2254"},"modified":"2026-03-28T16:04:25","modified_gmt":"2026-03-28T15:04:25","slug":"maraging-300","status":"publish","type":"page","link":"https:\/\/www.nickelcasting.com\/fr\/alliages-de-nickel\/acier-maraging-vascomax\/maraging-300\/","title":{"rendered":"Maraging 300"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"2254\" class=\"elementor elementor-2254\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8602301 e-flex e-con-boxed e-con e-parent\" data-id=\"8602301\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-60db55c elementor-widget elementor-widget-html\" data-id=\"60db55c\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<link rel=\"stylesheet\" href=\"\/zicss\/nickel6.css\">\n\n<div class=\"product-detail-wrapper\">\n\n    <div class=\"breadcrumbs\">\n        <a href=\"\/fr\/\">Accueil<\/a> \n        <span class=\"separator\">\/<\/span> \n        <a href=\"\/fr\/alliages-de-nickel\/\">Alliages de nickel<\/a>\n        <span class=\"separator\">\/<\/span> \n        <a href=\"\/fr\/alliages-de-nickel\/vascomax-maraging-steels\/\">Aciers maraging Vascomax<\/a>\n        <span class=\"separator\">\/<\/span> \n        Maraging 300\n    <\/div>\n\n    <div class=\"prod-hero\">\n        <div class=\"prod-image-box\">\n            <img decoding=\"async\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/nickel22.jpg\" alt=\"Acier Maraging 300 Vascomax\">\n        <\/div>\n        \n        <div class=\"prod-info-box\">\n            <h1>Maraging 300<\/h1>\n            <div class=\"prod-subtitle\">Vascomax\u00ae 300 | UNS K93120 | Acier C-300<\/div>\n            \n            <p>\n                La nuance Maraging 300 est la plus utilis\u00e9e de la famille des nuances maraging. Elle offre une limite d'\u00e9lasticit\u00e9 nominale exceptionnelle de 2068 MPa (300 000 psi) tout en conservant une ductilit\u00e9 suffisante pour des applications a\u00e9rospatiales complexes. Il s'agit d'un acier au nickel 18%, au cobalt et au molybd\u00e8ne.\n            <\/p>\n\n            <ul class=\"key-specs-list\">\n                <li><strong>Formes courantes :<\/strong> <a href=\"https:\/\/www.nickelcasting.com\/ko\/product-forms\/bar\/round\/\">Barre ronde<\/a>, Forged Billet, Plate.<\/li>\n                <li><strong>Caract\u00e9ristiques principales :<\/strong> \u00c9quilibre id\u00e9al entre r\u00e9sistance extr\u00eame et ductilit\u00e9 fonctionnelle.<\/li>\n                <li><strong>Traitement thermique :<\/strong> Vieillissement \u00e0 basse temp\u00e9rature avec une distorsion minimale.<\/li>\n                <li><strong>La puret\u00e9 :<\/strong> G\u00e9n\u00e9ralement fourni en double fusion (VIM-VAR).<\/li>\n            <\/ul>\n\n            <div class=\"action-area\">\n                <a href=\"\/fr\/contact\/\" class=\"quote-btn\">Demande de devis<\/a>\n                <a href=\"#\" class=\"download-btn\">T\u00e9l\u00e9charger la fiche technique<\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n\n    <div class=\"section-head\">Pourquoi choisir le Maraging 300 ?<\/div>\n    <p>\n        Le Maraging 300 est le \"Gold Standard\" pour les applications \u00e0 tr\u00e8s haute r\u00e9sistance. Bien que plus dur que le <a href=\"https:\/\/www.nickelcasting.com\/ko\/%eb%8b%88%ec%bc%88-%ed%95%a9%ea%b8%88\/%eb%b0%94%ec%8a%a4%ec%bd%94%eb%a7%a5%ec%8a%a4-%eb%a7%88%eb%a0%88%ec%9d%b4%ec%a7%95-%ec%8a%a4%ed%8b%b8\/maraging-250\/\">Maraging 250<\/a>, Il conserve une r\u00e9sistance \u00e0 la rupture suffisante pour \u00eatre utilis\u00e9 dans les composants rotatifs critiques et les pi\u00e8ces structurelles de l'a\u00e9rospatiale. Sa chimie unique lui permet d'\u00eatre usin\u00e9 \u00e0 l'\u00e9tat recuit puis tremp\u00e9 sans modification dimensionnelle.\n    <\/p>\n\n    <div class=\"feature-grid\">\n        <div class=\"feature-col\">\n            <h4>Tr\u00e8s haute r\u00e9sistance<\/h4>\n            <p>Il permet d'obtenir des r\u00e9sistances \u00e0 la traction sup\u00e9rieures \u00e0 300 ksi, ce qui est nettement plus \u00e9lev\u00e9 que les aciers conventionnels \u00e0 haute r\u00e9sistance tels que le 4340 ou le 300M.<\/p>\n        <\/div>\n        <div class=\"feature-col\">\n            <h4>Stabilit\u00e9 dimensionnelle<\/h4>\n            <p>Le processus de vieillissement (900\u00b0F) provoque un changement de taille n\u00e9gligeable, permettant aux pi\u00e8ces d'\u00eatre finies selon les tol\u00e9rances. <em>avant<\/em> traitement thermique.<\/p>\n        <\/div>\n        <div class=\"feature-col\">\n            <h4>Capacit\u00e9 de nitruration<\/h4>\n            <p>Peut \u00eatre nitrur\u00e9 pour obtenir une duret\u00e9 de surface \u00e9lev\u00e9e pour la r\u00e9sistance \u00e0 l'usure, utile dans les applications d'engrenages et de transmission.<\/p>\n        <\/div>\n    <\/div>\n\n    <div class=\"section-head\">Composition chimique (%)<\/div>\n    <div class=\"data-table-wrap\">\n        <table class=\"tech-table\">\n            <thead>\n                <tr>\n                    <th>\u00c9l\u00e9ment<\/th>\n                    <th>Contenu (%)<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td><strong>Nickel (Ni)<\/strong><\/td>\n                    <td>18.0 - 19.0<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Cobalt (Co)<\/strong><\/td>\n                    <td>8.5 - 9.5<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Molybd\u00e8ne (Mo)<\/strong><\/td>\n                    <td>4.6 - 5.2<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Titane (Ti)<\/strong><\/td>\n                    <td><strong>0.5 - 0.8<\/strong><\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Aluminium (Al)<\/strong><\/td>\n                    <td>0.05 - 0.15<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Fer (Fe)<\/strong><\/td>\n                    <td>\u00c9quilibre<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n        <p style=\"font-size:0.85rem; color:#666; margin-top:10px;\">*Note : L'augmentation de la teneur en titane par rapport au Maraging 250 permet d'obtenir des niveaux de r\u00e9sistance plus \u00e9lev\u00e9s.<\/p>\n    <\/div>\n\n    <div class=\"section-head\">Sp\u00e9cifications standard<\/div>\n    <div class=\"data-table-wrap\">\n        <table class=\"tech-table\">\n            <thead>\n                <tr>\n                    <th width=\"30%\">Forme du produit<\/th>\n                    <th>Normes (AMS \/ ASTM \/ MIL)<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td><strong>Bar, <a href=\"https:\/\/www.nickelcasting.com\/ko\/product-forms\/forgings\/\">Forgeage<\/a><\/strong><\/td>\n                    <td>AMS 6514<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Plaque, feuille, bande<\/strong><\/td>\n                    <td>AMS 6521<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Sp\u00e9cificit\u00e9s militaires<\/strong><\/td>\n                    <td>MIL-S-46850 Type IV<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Compos\u00e9s chimiques<\/strong><\/td>\n                    <td>ASTM A538 (Grade B)<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/div>\n\n    \n    <div class=\"section-head\">Available Forms for Maraging 300 (C-300)<\/div>\n    <p style=\"margin-bottom: 25px;\">\n        As the \"Gold Standard\" of the maraging steel family, we supply Maraging 300 in a wide array of premium, double vacuum melted (VIM-VAR) forms, specifically engineered to support the critical demands of the aerospace, motorsport, and defense industries.\n    <\/p>\n\n    <div class=\"forms-grid\">\n        <a href=\"\/fr\/product-forms\/bar\/\" class=\"form-card-link\">\n            <div class=\"form-card-icon\">\ud83d\udccf<\/div>\n            <div class=\"form-card-content\">\n                <h4>Barre ronde et billette<\/h4>\n                <p>The most requested form. Supplied in the solution annealed condition, ready for CNC machining into ultra-high-strength motorsport driveshafts, gears, and aerospace landing gear components.<\/p>\n            <\/div>\n        <\/a>\n\n        <a href=\"\/fr\/product-forms\/plate-and-sheet\/\" class=\"form-card-link\">\n            <div class=\"form-card-icon\">\ud83d\udd32<\/div>\n            <div class=\"form-card-content\">\n                <h4>Plaques et feuilles<\/h4>\n                <p>High-strength flat stock utilized for fabricating lightweight, extremely durable tactical missile skins, solid rocket motor cases, and advanced defensive armor.<\/p>\n            <\/div>\n        <\/a>\n\n        <a href=\"\/fr\/product-forms\/forgings\/\" class=\"form-card-link\">\n            <div class=\"form-card-icon\">\ud83d\udd28<\/div>\n            <div class=\"form-card-content\">\n                <h4>Pi\u00e8ces forg\u00e9es et bagues sans soudure<\/h4>\n                <p>Custom forged blocks and ultra-high-strength rolled rings forming the core structure of specialized gas centrifuges, industrial heavy-duty couplings, and rotating engine components.<\/p>\n            <\/div>\n        <\/a>\n\n        <a href=\"\/fr\/product-forms\/wire\/\" class=\"form-card-link\">\n            <div class=\"form-card-icon\">\ud83e\uddf5<\/div>\n            <div class=\"form-card-content\">\n                <h4>Fil et produit d'apport pour le soudage<\/h4>\n                <p>Specialized wire forms utilized for manufacturing extreme-duty torsion springs and providing matching filler metal to ensure full-strength maraging steel weldments.<\/p>\n            <\/div>\n        <\/a>\n    <\/div>\n    <div class=\"section-head\">Propri\u00e9t\u00e9s m\u00e9caniques (vieillissement typique)<\/div>\n    <div class=\"data-table-wrap\">\n        <table class=\"tech-table\">\n            <thead>\n                <tr>\n                    <th>Propri\u00e9t\u00e9<\/th>\n                    <th>Valeurs typiques (temp\u00e9rature ambiante)<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td><strong>Limite d'\u00e9lasticit\u00e9 (d\u00e9calage de 0,2%)<\/strong><\/td>\n                    <td>290 - 300 ksi (2000 - 2068 MPa)<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>R\u00e9sistance ultime \u00e0 la traction<\/strong><\/td>\n                    <td>300 - 315 ksi (2068 - 2172 MPa)<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>\u00c9longation<\/strong><\/td>\n                    <td>7 - 10 %<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>R\u00e9duction de la surface<\/strong><\/td>\n                    <td>40 - 50 %<\/td>\n                <\/tr>\n                 <tr>\n                    <td><strong>Duret\u00e9 (Rockwell C)<\/strong><\/td>\n                    <td>53 - 55 HRC<\/td>\n                <\/tr>\n                 <tr>\n                    <td><strong>R\u00e9sistance \u00e0 la rupture (KIC)<\/strong><\/td>\n                    <td>~60 ksi\u221ain<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n        <p style=\"font-size:0.85rem; color:#666; margin-top:10px;\">*Note : Propri\u00e9t\u00e9s obtenues apr\u00e8s vieillissement \u00e0 482\u00b0C (900\u00b0F) pendant 3 \u00e0 6 heures.<\/p>\n    <\/div>\n\n    <div class=\"section-head\">Applications typiques<\/div>\n    <div class=\"app-list\">\n        <div class=\"app-card\">\n            <h4>Composants structurels a\u00e9rospatiaux<\/h4>\n            <p>Composants de trains d'atterrissage, arbres de flexion et \u00e9l\u00e9ments structurels n\u00e9cessitant un rapport r\u00e9sistance\/poids \u00e9lev\u00e9.<\/p>\n        <\/div>\n        <div class=\"app-card\">\n            <h4>Sports m\u00e9caniques<\/h4>\n            <p>Vilebrequins, engrenages et bielles de course de haute performance soumis \u00e0 des charges cycliques extr\u00eames.<\/p>\n        <\/div>\n        <div class=\"app-card\">\n            <h4>Rotors \u00e0 grande vitesse<\/h4>\n            <p>Centrifugeuses industrielles et syst\u00e8mes de stockage d'\u00e9nergie par volant d'inertie n\u00e9cessitant une int\u00e9grit\u00e9 dimensionnelle \u00e0 des r\u00e9gimes \u00e9lev\u00e9s.<\/p>\n        <\/div>\n        <div class=\"app-card\">\n            <h4>Bo\u00eetiers de moteurs-fus\u00e9es<\/h4>\n            <p>R\u00e9cipients et enveloppes sous pression pour les syst\u00e8mes de propulsion \u00e0 combustible solide.<\/p>\n        <\/div>\n    <\/div>\n\n    <div id=\"quote-form\" style=\"margin-top: 60px; background: #f1f4f6; padding: 40px; border-radius: 5px; text-align: center;\">\n        <h3 style=\"color: var(--prod-primary); margin-top: 0;\">Besoin de Maraging 300 ?<\/h3>\n        <p style=\"max-width: 600px; margin: 0 auto 20px;\">\n            Nous fournissons du Maraging 300 (VIM-VAR) de premi\u00e8re qualit\u00e9 dans une large gamme de tailles de barres et de plaques.\n            Le mat\u00e9riau est enti\u00e8rement certifi\u00e9 selon les sp\u00e9cifications AMS et MIL.\n        <\/p>\n        <a href=\"\/fr\/contact\/\" class=\"quote-btn\">Obtenir un devis rapide<\/a>\n    <\/div>\n\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Home \/ Nickel Alloys \/ Vascomax Maraging Steels \/ Maraging 300 Maraging 300 Vascomax\u00ae 300 | UNS K93120 | C-300 Steel Maraging 300 is the most widely used grade in the maraging family. It provides an exceptional nominal yield strength of 300,000 psi (2068 MPa) while maintaining sufficient ductility for complex aerospace applications. It is [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":2234,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_theme","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","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":"disabled","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2254","page","type-page","status-publish","hentry"],"spectra_custom_meta":{"_edit_lock":["1774710257:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["78"],"rank_math_description":["Maraging 300 delivers higher strength than 250 grade with excellent fracture toughness for demanding aerospace applications."],"rank_math_focus_keyword":["maraging 300,vascomax 300"],"_wp_page_template":["elementor_theme"],"site-sidebar-layout":["no-sidebar"],"ast-site-content-layout":["full-width-container"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"_elementor_edit_mode":["builder"],"_astra_content_layout_flag":["disabled"],"ast-title-bar-display":["disabled"],"ast-featured-img":["disabled"],"site-content-layout":["page-builder"],"_elementor_template_type":["wp-page"],"_elementor_version":["3.33.2"],"_elementor_pro_version":["3.32.3"],"_elementor_data":["[{\"id\":\"8602301\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"360a961\"}]},\"elements\":[{\"id\":\"60db55c\",\"elType\":\"widget\",\"settings\":{\"html\":\"<link rel=\\\"stylesheet\\\" href=\\\"\\\/zicss\\\/nickel6.css\\\">\\n\\n<div class=\\\"product-detail-wrapper\\\">\\n\\n    <div class=\\\"breadcrumbs\\\">\\n        <a href=\\\"\\\/\\\">Home<\\\/a> \\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        <a href=\\\"\\\/nickel-alloys\\\/\\\">Nickel Alloys<\\\/a>\\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        <a href=\\\"\\\/nickel-alloys\\\/vascomax-maraging-steels\\\/\\\">Vascomax Maraging Steels<\\\/a>\\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        Maraging 300\\n    <\\\/div>\\n\\n    <div class=\\\"prod-hero\\\">\\n        <div class=\\\"prod-image-box\\\">\\n            <img src=\\\"http:\\\/\\\/www.nickelcasting.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/nickel22.jpg\\\" alt=\\\"Maraging 300 Vascomax Steel\\\">\\n        <\\\/div>\\n        \\n        <div class=\\\"prod-info-box\\\">\\n            <h1>Maraging 300<\\\/h1>\\n            <div class=\\\"prod-subtitle\\\">Vascomax\\u00ae 300 | UNS K93120 | C-300 Steel<\\\/div>\\n            \\n            <p>\\n                Maraging 300 is the most widely used grade in the maraging family. It provides an exceptional nominal yield strength of 300,000 psi (2068 MPa) while maintaining sufficient ductility for complex aerospace applications. It is an 18% nickel, cobalt-molybdenum steel.\\n            <\\\/p>\\n\\n            <ul class=\\\"key-specs-list\\\">\\n                <li><strong>Common Forms:<\\\/strong> Round Bar, Forged Billet, Plate.<\\\/li>\\n                <li><strong>Key Feature:<\\\/strong> Ideal balance of extreme strength and functional ductility.<\\\/li>\\n                <li><strong>Heat Treatment:<\\\/strong> Low-temperature aging with minimal distortion.<\\\/li>\\n                <li><strong>Purity:<\\\/strong> Typically supplied as Double Melted (VIM-VAR).<\\\/li>\\n            <\\\/ul>\\n\\n            <div class=\\\"action-area\\\">\\n                <a href=\\\"\\\/contact\\\/\\\" class=\\\"quote-btn\\\">Request a Quote<\\\/a>\\n                <a href=\\\"#\\\" class=\\\"download-btn\\\">Download Datasheet<\\\/a>\\n            <\\\/div>\\n        <\\\/div>\\n    <\\\/div>\\n\\n    <div class=\\\"section-head\\\">Why Choose Maraging 300?<\\\/div>\\n    <p>\\n        Maraging 300 is the \\\"Gold Standard\\\" for ultra-high-strength applications. While harder than Maraging 250, it retains enough fracture toughness to be used in critical rotating components and structural aerospace parts. Its unique chemistry allows it to be machined in the annealed condition and then hardened with virtually no dimensional change.\\n    <\\\/p>\\n\\n    <div class=\\\"feature-grid\\\">\\n        <div class=\\\"feature-col\\\">\\n            <h4>Ultra-High Strength<\\\/h4>\\n            <p>Achieves tensile strengths exceeding 300 ksi, significantly higher than conventional high-strength steels like 4340 or 300M.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"feature-col\\\">\\n            <h4>Dimensional Stability<\\\/h4>\\n            <p>The aging process (900\\u00b0F) causes negligible size change, allowing parts to be finished to tolerance <em>before<\\\/em> heat treatment.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"feature-col\\\">\\n            <h4>Nitriding Capability<\\\/h4>\\n            <p>Can be nitrided to achieving high surface hardness for wear resistance, useful in gear and transmission applications.<\\\/p>\\n        <\\\/div>\\n    <\\\/div>\\n\\n    <div class=\\\"section-head\\\">Chemical Composition (%)<\\\/div>\\n    <div class=\\\"data-table-wrap\\\">\\n        <table class=\\\"tech-table\\\">\\n            <thead>\\n                <tr>\\n                    <th>Element<\\\/th>\\n                    <th>Content (%)<\\\/th>\\n                <\\\/tr>\\n            <\\\/thead>\\n            <tbody>\\n                <tr>\\n                    <td><strong>Nickel (Ni)<\\\/strong><\\\/td>\\n                    <td>18.0 - 19.0<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Cobalt (Co)<\\\/strong><\\\/td>\\n                    <td>8.5 - 9.5<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Molybdenum (Mo)<\\\/strong><\\\/td>\\n                    <td>4.6 - 5.2<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Titanium (Ti)<\\\/strong><\\\/td>\\n                    <td><strong>0.5 - 0.8<\\\/strong><\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Aluminum (Al)<\\\/strong><\\\/td>\\n                    <td>0.05 - 0.15<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Iron (Fe)<\\\/strong><\\\/td>\\n                    <td>Balance<\\\/td>\\n                <\\\/tr>\\n            <\\\/tbody>\\n        <\\\/table>\\n        <p style=\\\"font-size:0.85rem; color:#666; margin-top:10px;\\\">*Note: Increased Titanium content vs. Maraging 250 provides the higher strength levels.<\\\/p>\\n    <\\\/div>\\n\\n    <div class=\\\"section-head\\\">Standard Specifications<\\\/div>\\n    <div class=\\\"data-table-wrap\\\">\\n        <table class=\\\"tech-table\\\">\\n            <thead>\\n                <tr>\\n                    <th width=\\\"30%\\\">Product Form<\\\/th>\\n                    <th>Standards (AMS \\\/ ASTM \\\/ MIL)<\\\/th>\\n                <\\\/tr>\\n            <\\\/thead>\\n            <tbody>\\n                <tr>\\n                    <td><strong>Bar, Forgings<\\\/strong><\\\/td>\\n                    <td>AMS 6514<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Plate, Sheet, Strip<\\\/strong><\\\/td>\\n                    <td>AMS 6521<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Military Spec<\\\/strong><\\\/td>\\n                    <td>MIL-S-46850 Type IV<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Chemical Comp<\\\/strong><\\\/td>\\n                    <td>ASTM A538 (Grade B)<\\\/td>\\n                <\\\/tr>\\n            <\\\/tbody>\\n        <\\\/table>\\n    <\\\/div>\\n\\n    \\n    <div class=\\\"section-head\\\">Available Forms for Maraging 300 (C-300)<\\\/div>\\n    <p style=\\\"margin-bottom: 25px;\\\">\\n        As the \\\"Gold Standard\\\" of the maraging steel family, we supply Maraging 300 in a wide array of premium, double vacuum melted (VIM-VAR) forms, specifically engineered to support the critical demands of the aerospace, motorsport, and defense industries.\\n    <\\\/p>\\n\\n    <div class=\\\"forms-grid\\\">\\n        <a href=\\\"\\\/product-forms\\\/bar\\\/\\\" class=\\\"form-card-link\\\">\\n            <div class=\\\"form-card-icon\\\">\\ud83d\\udccf<\\\/div>\\n            <div class=\\\"form-card-content\\\">\\n                <h4>Round Bar & Billet<\\\/h4>\\n                <p>The most requested form. Supplied in the solution annealed condition, ready for CNC machining into ultra-high-strength motorsport driveshafts, gears, and aerospace landing gear components.<\\\/p>\\n            <\\\/div>\\n        <\\\/a>\\n\\n        <a href=\\\"\\\/product-forms\\\/plate-and-sheet\\\/\\\" class=\\\"form-card-link\\\">\\n            <div class=\\\"form-card-icon\\\">\\ud83d\\udd32<\\\/div>\\n            <div class=\\\"form-card-content\\\">\\n                <h4>Plate & Sheet<\\\/h4>\\n                <p>High-strength flat stock utilized for fabricating lightweight, extremely durable tactical missile skins, solid rocket motor cases, and advanced defensive armor.<\\\/p>\\n            <\\\/div>\\n        <\\\/a>\\n\\n        <a href=\\\"\\\/product-forms\\\/forgings\\\/\\\" class=\\\"form-card-link\\\">\\n            <div class=\\\"form-card-icon\\\">\\ud83d\\udd28<\\\/div>\\n            <div class=\\\"form-card-content\\\">\\n                <h4>Forgings & Seamless Rings<\\\/h4>\\n                <p>Custom forged blocks and ultra-high-strength rolled rings forming the core structure of specialized gas centrifuges, industrial heavy-duty couplings, and rotating engine components.<\\\/p>\\n            <\\\/div>\\n        <\\\/a>\\n\\n        <a href=\\\"\\\/product-forms\\\/wire\\\/\\\" class=\\\"form-card-link\\\">\\n            <div class=\\\"form-card-icon\\\">\\ud83e\\uddf5<\\\/div>\\n            <div class=\\\"form-card-content\\\">\\n                <h4>Wire & Welding Filler<\\\/h4>\\n                <p>Specialized wire forms utilized for manufacturing extreme-duty torsion springs and providing matching filler metal to ensure full-strength maraging steel weldments.<\\\/p>\\n            <\\\/div>\\n        <\\\/a>\\n    <\\\/div>\\n    <div class=\\\"section-head\\\">Mechanical Properties (Aged Typical)<\\\/div>\\n    <div class=\\\"data-table-wrap\\\">\\n        <table class=\\\"tech-table\\\">\\n            <thead>\\n                <tr>\\n                    <th>Property<\\\/th>\\n                    <th>Typical Values (Room Temp)<\\\/th>\\n                <\\\/tr>\\n            <\\\/thead>\\n            <tbody>\\n                <tr>\\n                    <td><strong>Yield Strength (0.2% Offset)<\\\/strong><\\\/td>\\n                    <td>290 - 300 ksi (2000 - 2068 MPa)<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Ultimate Tensile Strength<\\\/strong><\\\/td>\\n                    <td>300 - 315 ksi (2068 - 2172 MPa)<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Elongation<\\\/strong><\\\/td>\\n                    <td>7 - 10 %<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Reduction of Area<\\\/strong><\\\/td>\\n                    <td>40 - 50 %<\\\/td>\\n                <\\\/tr>\\n                 <tr>\\n                    <td><strong>Hardness (Rockwell C)<\\\/strong><\\\/td>\\n                    <td>53 - 55 HRC<\\\/td>\\n                <\\\/tr>\\n                 <tr>\\n                    <td><strong>Fracture Toughness (KIC)<\\\/strong><\\\/td>\\n                    <td>~60 ksi\\u221ain<\\\/td>\\n                <\\\/tr>\\n            <\\\/tbody>\\n        <\\\/table>\\n        <p style=\\\"font-size:0.85rem; color:#666; margin-top:10px;\\\">*Note: Properties achieved after aging at 900\\u00b0F (482\\u00b0C) for 3-6 hours.<\\\/p>\\n    <\\\/div>\\n\\n    <div class=\\\"section-head\\\">Typical Applications<\\\/div>\\n    <div class=\\\"app-list\\\">\\n        <div class=\\\"app-card\\\">\\n            <h4>Aerospace Structural Components<\\\/h4>\\n            <p>Landing gear components, flexure shafts, and structural members requiring high strength-to-weight ratios.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"app-card\\\">\\n            <h4>Motorsports<\\\/h4>\\n            <p>High-performance racing crankshafts, gears, and connecting rods subjected to extreme cyclic loading.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"app-card\\\">\\n            <h4>High Speed Rotors<\\\/h4>\\n            <p>Industrial gas centrifuges and flywheel energy storage systems requiring dimensional integrity at high RPMs.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"app-card\\\">\\n            <h4>Rocket Motor Cases<\\\/h4>\\n            <p>Pressure vessels and casings for solid-fuel propulsion systems.<\\\/p>\\n        <\\\/div>\\n    <\\\/div>\\n\\n    <div id=\\\"quote-form\\\" style=\\\"margin-top: 60px; background: #f1f4f6; padding: 40px; border-radius: 5px; text-align: center;\\\">\\n        <h3 style=\\\"color: var(--prod-primary); margin-top: 0;\\\">Need Maraging 300?<\\\/h3>\\n        <p style=\\\"max-width: 600px; margin: 0 auto 20px;\\\">\\n            We supply premium quality Maraging 300 (VIM-VAR) in a wide range of bar sizes and plates.\\n            Material is fully certified to AMS and MIL specifications.\\n        <\\\/p>\\n        <a href=\\\"\\\/contact\\\/\\\" class=\\\"quote-btn\\\">Get a Quick Quote<\\\/a>\\n    <\\\/div>\\n\\n<\\\/div>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"f64a274\"}]},\"elements\":[],\"widgetType\":\"html\"}],\"isInner\":false}]"],"rank_math_og_content_image":["a:2:{s:5:\"check\";s:32:\"1c0db6467113f83d3fe4c4b7df96cb98\";s:6:\"images\";a:1:{i:0;i:2240;}}"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:12:\"Maraging 300\";}"],"astra-migrate-meta-layouts":["set"],"_elementor_page_settings":["a:0:{}"],"_elementor_controls_usage":["a:2:{s:4:\"html\";a:3:{s:5:\"count\";i:1;s:15:\"control_percent\";i:0;s:8:\"controls\";a:2:{s:7:\"content\";a:1:{s:13:\"section_title\";a:1:{s:4:\"html\";i:1;}}s:8:\"advanced\";a:1:{s:26:\"display_conditions_section\";a:1:{s:22:\"display_condition_list\";i:1;}}}}s:9:\"container\";a:3:{s:5:\"count\";i:1;s:15:\"control_percent\";i:0;s:8:\"controls\";a:2:{s:6:\"layout\";a:1:{s:24:\"section_layout_container\";a:1:{s:14:\"flex_direction\";i:1;}}s:8:\"advanced\";a:1:{s:26:\"display_conditions_section\";a:1:{s:22:\"display_condition_list\";i:1;}}}}}"],"_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) !important}}\n\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:8:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:10:\"core\/image\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1776419131\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"],"_uag_css_file_name":["uag-css-2254.css"],"_elementor_page_assets":["a:1:{s:7:\"scripts\";a:1:{i:0;s:18:\"elementor-frontend\";}}"],"_elementor_css":["a:6:{s:4:\"time\";i:1776528912;s:5:\"fonts\";a:0:{}s:5:\"icons\";a:0:{}s:20:\"dynamic_elements_ids\";a:0:{}s:6:\"status\";s:4:\"file\";i:0;s:0:\"\";}"],"_elementor_element_cache":["{\"timeout\":1776618912,\"value\":{\"content\":\"<div class=\\\"elementor-element elementor-element-8602301 e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"8602301\\\" data-element_type=\\\"container\\\">\\n\\t\\t\\t\\t\\t<div class=\\\"e-con-inner\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-element elementor-element-60db55c elementor-widget elementor-widget-html\\\" data-id=\\\"60db55c\\\" data-element_type=\\\"widget\\\" data-widget_type=\\\"html.default\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-widget-container\\\">\\n\\t\\t\\t\\t\\t<link rel=\\\"stylesheet\\\" href=\\\"\\\/zicss\\\/nickel6.css\\\">\\n\\n<div class=\\\"product-detail-wrapper\\\">\\n\\n    <div class=\\\"breadcrumbs\\\">\\n        <a href=\\\"\\\/\\\">Home<\\\/a> \\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        <a href=\\\"\\\/nickel-alloys\\\/\\\">Nickel Alloys<\\\/a>\\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        <a href=\\\"\\\/nickel-alloys\\\/vascomax-maraging-steels\\\/\\\">Vascomax Maraging Steels<\\\/a>\\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        Maraging 300\\n    <\\\/div>\\n\\n    <div class=\\\"prod-hero\\\">\\n        <div class=\\\"prod-image-box\\\">\\n            <img src=\\\"http:\\\/\\\/www.nickelcasting.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/nickel22.jpg\\\" alt=\\\"Maraging 300 Vascomax Steel\\\">\\n        <\\\/div>\\n        \\n        <div class=\\\"prod-info-box\\\">\\n            <h1>Maraging 300<\\\/h1>\\n            <div class=\\\"prod-subtitle\\\">Vascomax\\u00ae 300 | UNS K93120 | C-300 Steel<\\\/div>\\n            \\n            <p>\\n                Maraging 300 is the most widely used grade in the maraging family. It provides an exceptional nominal yield strength of 300,000 psi (2068 MPa) while maintaining sufficient ductility for complex aerospace applications. It is an 18% nickel, cobalt-molybdenum steel.\\n            <\\\/p>\\n\\n            <ul class=\\\"key-specs-list\\\">\\n                <li><strong>Common Forms:<\\\/strong> Round Bar, Forged Billet, Plate.<\\\/li>\\n                <li><strong>Key Feature:<\\\/strong> Ideal balance of extreme strength and functional ductility.<\\\/li>\\n                <li><strong>Heat Treatment:<\\\/strong> Low-temperature aging with minimal distortion.<\\\/li>\\n                <li><strong>Purity:<\\\/strong> Typically supplied as Double Melted (VIM-VAR).<\\\/li>\\n            <\\\/ul>\\n\\n            <div class=\\\"action-area\\\">\\n                <a href=\\\"\\\/contact\\\/\\\" class=\\\"quote-btn\\\">Request a Quote<\\\/a>\\n                <a href=\\\"#\\\" class=\\\"download-btn\\\">Download Datasheet<\\\/a>\\n            <\\\/div>\\n        <\\\/div>\\n    <\\\/div>\\n\\n    <div class=\\\"section-head\\\">Why Choose Maraging 300?<\\\/div>\\n    <p>\\n        Maraging 300 is the \\\"Gold Standard\\\" for ultra-high-strength applications. While harder than Maraging 250, it retains enough fracture toughness to be used in critical rotating components and structural aerospace parts. Its unique chemistry allows it to be machined in the annealed condition and then hardened with virtually no dimensional change.\\n    <\\\/p>\\n\\n    <div class=\\\"feature-grid\\\">\\n        <div class=\\\"feature-col\\\">\\n            <h4>Ultra-High Strength<\\\/h4>\\n            <p>Achieves tensile strengths exceeding 300 ksi, significantly higher than conventional high-strength steels like 4340 or 300M.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"feature-col\\\">\\n            <h4>Dimensional Stability<\\\/h4>\\n            <p>The aging process (900\\u00b0F) causes negligible size change, allowing parts to be finished to tolerance <em>before<\\\/em> heat treatment.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"feature-col\\\">\\n            <h4>Nitriding Capability<\\\/h4>\\n            <p>Can be nitrided to achieving high surface hardness for wear resistance, useful in gear and transmission applications.<\\\/p>\\n        <\\\/div>\\n    <\\\/div>\\n\\n    <div class=\\\"section-head\\\">Chemical Composition (%)<\\\/div>\\n    <div class=\\\"data-table-wrap\\\">\\n        <table class=\\\"tech-table\\\">\\n            <thead>\\n                <tr>\\n                    <th>Element<\\\/th>\\n                    <th>Content (%)<\\\/th>\\n                <\\\/tr>\\n            <\\\/thead>\\n            <tbody>\\n                <tr>\\n                    <td><strong>Nickel (Ni)<\\\/strong><\\\/td>\\n                    <td>18.0 - 19.0<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Cobalt (Co)<\\\/strong><\\\/td>\\n                    <td>8.5 - 9.5<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Molybdenum (Mo)<\\\/strong><\\\/td>\\n                    <td>4.6 - 5.2<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Titanium (Ti)<\\\/strong><\\\/td>\\n                    <td><strong>0.5 - 0.8<\\\/strong><\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Aluminum (Al)<\\\/strong><\\\/td>\\n                    <td>0.05 - 0.15<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Iron (Fe)<\\\/strong><\\\/td>\\n                    <td>Balance<\\\/td>\\n                <\\\/tr>\\n            <\\\/tbody>\\n        <\\\/table>\\n        <p style=\\\"font-size:0.85rem; color:#666; margin-top:10px;\\\">*Note: Increased Titanium content vs. Maraging 250 provides the higher strength levels.<\\\/p>\\n    <\\\/div>\\n\\n    <div class=\\\"section-head\\\">Standard Specifications<\\\/div>\\n    <div class=\\\"data-table-wrap\\\">\\n        <table class=\\\"tech-table\\\">\\n            <thead>\\n                <tr>\\n                    <th width=\\\"30%\\\">Product Form<\\\/th>\\n                    <th>Standards (AMS \\\/ ASTM \\\/ MIL)<\\\/th>\\n                <\\\/tr>\\n            <\\\/thead>\\n            <tbody>\\n                <tr>\\n                    <td><strong>Bar, Forgings<\\\/strong><\\\/td>\\n                    <td>AMS 6514<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Plate, Sheet, Strip<\\\/strong><\\\/td>\\n                    <td>AMS 6521<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Military Spec<\\\/strong><\\\/td>\\n                    <td>MIL-S-46850 Type IV<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Chemical Comp<\\\/strong><\\\/td>\\n                    <td>ASTM A538 (Grade B)<\\\/td>\\n                <\\\/tr>\\n            <\\\/tbody>\\n        <\\\/table>\\n    <\\\/div>\\n\\n    \\n    <div class=\\\"section-head\\\">Available Forms for Maraging 300 (C-300)<\\\/div>\\n    <p style=\\\"margin-bottom: 25px;\\\">\\n        As the \\\"Gold Standard\\\" of the maraging steel family, we supply Maraging 300 in a wide array of premium, double vacuum melted (VIM-VAR) forms, specifically engineered to support the critical demands of the aerospace, motorsport, and defense industries.\\n    <\\\/p>\\n\\n    <div class=\\\"forms-grid\\\">\\n        <a href=\\\"\\\/product-forms\\\/bar\\\/\\\" class=\\\"form-card-link\\\">\\n            <div class=\\\"form-card-icon\\\">\\ud83d\\udccf<\\\/div>\\n            <div class=\\\"form-card-content\\\">\\n                <h4>Round Bar & Billet<\\\/h4>\\n                <p>The most requested form. Supplied in the solution annealed condition, ready for CNC machining into ultra-high-strength motorsport driveshafts, gears, and aerospace landing gear components.<\\\/p>\\n            <\\\/div>\\n        <\\\/a>\\n\\n        <a href=\\\"\\\/product-forms\\\/plate-and-sheet\\\/\\\" class=\\\"form-card-link\\\">\\n            <div class=\\\"form-card-icon\\\">\\ud83d\\udd32<\\\/div>\\n            <div class=\\\"form-card-content\\\">\\n                <h4>Plate & Sheet<\\\/h4>\\n                <p>High-strength flat stock utilized for fabricating lightweight, extremely durable tactical missile skins, solid rocket motor cases, and advanced defensive armor.<\\\/p>\\n            <\\\/div>\\n        <\\\/a>\\n\\n        <a href=\\\"\\\/product-forms\\\/forgings\\\/\\\" class=\\\"form-card-link\\\">\\n            <div class=\\\"form-card-icon\\\">\\ud83d\\udd28<\\\/div>\\n            <div class=\\\"form-card-content\\\">\\n                <h4>Forgings & Seamless Rings<\\\/h4>\\n                <p>Custom forged blocks and ultra-high-strength rolled rings forming the core structure of specialized gas centrifuges, industrial heavy-duty couplings, and rotating engine components.<\\\/p>\\n            <\\\/div>\\n        <\\\/a>\\n\\n        <a href=\\\"\\\/product-forms\\\/wire\\\/\\\" class=\\\"form-card-link\\\">\\n            <div class=\\\"form-card-icon\\\">\\ud83e\\uddf5<\\\/div>\\n            <div class=\\\"form-card-content\\\">\\n                <h4>Wire & Welding Filler<\\\/h4>\\n                <p>Specialized wire forms utilized for manufacturing extreme-duty torsion springs and providing matching filler metal to ensure full-strength maraging steel weldments.<\\\/p>\\n            <\\\/div>\\n        <\\\/a>\\n    <\\\/div>\\n    <div class=\\\"section-head\\\">Mechanical Properties (Aged Typical)<\\\/div>\\n    <div class=\\\"data-table-wrap\\\">\\n        <table class=\\\"tech-table\\\">\\n            <thead>\\n                <tr>\\n                    <th>Property<\\\/th>\\n                    <th>Typical Values (Room Temp)<\\\/th>\\n                <\\\/tr>\\n            <\\\/thead>\\n            <tbody>\\n                <tr>\\n                    <td><strong>Yield Strength (0.2% Offset)<\\\/strong><\\\/td>\\n                    <td>290 - 300 ksi (2000 - 2068 MPa)<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Ultimate Tensile Strength<\\\/strong><\\\/td>\\n                    <td>300 - 315 ksi (2068 - 2172 MPa)<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Elongation<\\\/strong><\\\/td>\\n                    <td>7 - 10 %<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Reduction of Area<\\\/strong><\\\/td>\\n                    <td>40 - 50 %<\\\/td>\\n                <\\\/tr>\\n                 <tr>\\n                    <td><strong>Hardness (Rockwell C)<\\\/strong><\\\/td>\\n                    <td>53 - 55 HRC<\\\/td>\\n                <\\\/tr>\\n                 <tr>\\n                    <td><strong>Fracture Toughness (KIC)<\\\/strong><\\\/td>\\n                    <td>~60 ksi\\u221ain<\\\/td>\\n                <\\\/tr>\\n            <\\\/tbody>\\n        <\\\/table>\\n        <p style=\\\"font-size:0.85rem; color:#666; margin-top:10px;\\\">*Note: Properties achieved after aging at 900\\u00b0F (482\\u00b0C) for 3-6 hours.<\\\/p>\\n    <\\\/div>\\n\\n    <div class=\\\"section-head\\\">Typical Applications<\\\/div>\\n    <div class=\\\"app-list\\\">\\n        <div class=\\\"app-card\\\">\\n            <h4>Aerospace Structural Components<\\\/h4>\\n            <p>Landing gear components, flexure shafts, and structural members requiring high strength-to-weight ratios.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"app-card\\\">\\n            <h4>Motorsports<\\\/h4>\\n            <p>High-performance racing crankshafts, gears, and connecting rods subjected to extreme cyclic loading.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"app-card\\\">\\n            <h4>High Speed Rotors<\\\/h4>\\n            <p>Industrial gas centrifuges and flywheel energy storage systems requiring dimensional integrity at high RPMs.<\\\/p>\\n        <\\\/div>\\n        <div class=\\\"app-card\\\">\\n            <h4>Rocket Motor Cases<\\\/h4>\\n            <p>Pressure vessels and casings for solid-fuel propulsion systems.<\\\/p>\\n        <\\\/div>\\n    <\\\/div>\\n\\n    <div id=\\\"quote-form\\\" style=\\\"margin-top: 60px; background: #f1f4f6; padding: 40px; border-radius: 5px; text-align: center;\\\">\\n        <h3 style=\\\"color: var(--prod-primary); margin-top: 0;\\\">Need Maraging 300?<\\\/h3>\\n        <p style=\\\"max-width: 600px; margin: 0 auto 20px;\\\">\\n            We supply premium quality Maraging 300 (VIM-VAR) in a wide range of bar sizes and plates.\\n            Material is fully certified to AMS and MIL specifications.\\n        <\\\/p>\\n        <a href=\\\"\\\/contact\\\/\\\" class=\\\"quote-btn\\\">Get a Quick Quote<\\\/a>\\n    <\\\/div>\\n\\n<\\\/div>\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<\\\/div>\\n\\t\\t\",\"scripts\":[],\"styles\":[]}}"]},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/fr\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"Home \/ Nickel Alloys \/ Vascomax Maraging Steels \/ Maraging 300 Maraging 300 Vascomax\u00ae 300 | UNS K93120 | C-300 Steel Maraging 300 is the most widely used grade in the maraging family. It provides an exceptional nominal yield strength of 300,000 psi (2068 MPa) while maintaining sufficient ductility for complex aerospace applications. It is\u2026","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/2254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/comments?post=2254"}],"version-history":[{"count":11,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/2254\/revisions"}],"predecessor-version":[{"id":3470,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/2254\/revisions\/3470"}],"up":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/pages\/2234"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/fr\/wp-json\/wp\/v2\/media?parent=2254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}