{"id":13738,"date":"2026-03-14T16:11:15","date_gmt":"2026-03-14T08:11:15","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=13738"},"modified":"2026-06-22T19:41:09","modified_gmt":"2026-06-22T11:41:09","slug":"h13-tool-steel-applications","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/h13-tool-steel-applications\/","title":{"rendered":"Aplica\u00e7\u00f5es do a\u00e7o ferramenta H13: onde o H13 funciona melhor | Aobo Steel"},"content":{"rendered":"<section class=\"aobo-h13-applications-page\">\n  <style>\n    .aobo-h13-applications-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-dark: #073b8e;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-blue-line: #c9dcff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-white: #ffffff;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      font-family: inherit;\n      color: var(--aobo-text);\n      line-height: 1.7;\n 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shear blades, die inserts, core pins, ejector pins, slides, moving cores, and mold components.<\/p>\n      <p>It is selected when tooling must resist repeated heating and cooling, impact loading, hot wear, surface cracking, and dimensional stress. H13 is rarely chosen for one property alone; it is used because it balances toughness, hot hardness, thermal-fatigue resistance, and thermal-shock resistance.<\/p>\n    <\/header>\n\n    <section class=\"aobo-product-strip\" aria-label=\"H13 tool steel product from Aobo Steel\">\n      <h2>H13 Tool Steel Available from Aobo Steel<\/h2>\n      <p class=\"aobo-strip-intro\">Aobo Steel supplies H13 (1.2344 \/ SKD61 \/ 4Cr5MoSiV1) in forged and rolled form, annealed condition, as round bar, flat bar, and forged block. H13 ESR is available for premium die casting, high-cycle tooling, and high-polish mold work.<\/p>\n\n      <article class=\"aobo-product-card\">\n        <div class=\"aobo-product-image\">\n          <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/H13-STEEL-FLAT-BAR.avif\" alt=\"Barra chata de a\u00e7o ferramenta H13 fornecida pela Aobo Steel.\" loading=\"lazy\">\n        <\/div>\n        <div>\n          <h3>H13 | 1,2344 | SKD61<\/h3>\n          <p class=\"aobo-card-note\">Balanced chromium hot-work tool steel for die casting dies, extrusion tooling, hot forging dies, hot shear blades, die inserts, core pins, and stressed mold components.<\/p>\n          <div class=\"aobo-buttons\">\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">Veja os detalhes do a\u00e7o ferramenta H13.<\/a>\n            <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n          <\/div>\n        <\/div>\n      <\/article>\n    <\/section>\n\n    <main class=\"aobo-article\">\n      <h2>Guia de Sele\u00e7\u00e3o R\u00e1pida de Aplica\u00e7\u00f5es para A\u00e7o Ferramenta H13<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Aplicativo<\/th><th>Por que H13 \u00e9 usado?<\/th><th>Dureza de trabalho t\u00edpica<\/th><th>Principal risco de falha<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Aluminum die-casting dies<\/td><td>Resiste a fissuras t\u00e9rmicas, lavagem e rachaduras.<\/td><td>42-48 HRC<\/td><td>Thermal fatigue, molten-metal erosion<\/td><\/tr>\n            <tr><td>Magnesium die-casting dies<\/td><td>Suporta ciclos t\u00e9rmicos r\u00e1pidos e impactos.<\/td><td>42-48 HRC<\/td><td>Rachaduras t\u00e9rmicas, fissuras<\/td><\/tr>\n            <tr><td>Matrizes de fundi\u00e7\u00e3o sob press\u00e3o de zinco<\/td><td>Permite maior dureza devido \u00e0 menor temperatura de servi\u00e7o.<\/td><td>48-52 HRC<\/td><td>Desgaste, danos superficiais<\/td><\/tr>\n            <tr><td>Matrizes de extrus\u00e3o de alum\u00ednio<\/td><td>Resiste ao desgaste por calor, press\u00e3o e ciclos t\u00e9rmicos.<\/td><td>44-50 HRC<\/td><td>Desgaste, deforma\u00e7\u00e3o, fadiga t\u00e9rmica<\/td><\/tr>\n            <tr><td>Mandris de extrus\u00e3o<\/td><td>Suporta resist\u00eancia ao desgaste sob alta press\u00e3o.<\/td><td>46-52 HRC<\/td><td>Desgaste, rachaduras, tens\u00e3o de flex\u00e3o<\/td><\/tr>\n            <tr><td>Matrizes de forjamento a quente<\/td><td>Equilibra a resist\u00eancia ao impacto e a resist\u00eancia ao calor.<\/td><td>40-50 HRC<\/td><td>Rachaduras por impacto, superaquecimento, desgaste<\/td><\/tr>\n            <tr><td>L\u00e2minas de corte a quente<\/td><td>Mant\u00e9m a resist\u00eancia da l\u00e2mina durante o corte a quente.<\/td><td>45-52 HRC<\/td><td>Rachaduras nas bordas, lascas, amolecimento.<\/td><\/tr>\n            <tr><td>Inser\u00e7\u00f5es de matriz<\/td><td>Proporciona resist\u00eancia localizada ao calor e ao desgaste.<\/td><td>44-52 HRC<\/td><td>Rachaduras localizadas, desgaste, danos causados pelo calor.<\/td><\/tr>\n            <tr><td>Pinos de n\u00facleo e pinos extratores<\/td><td>Combina resist\u00eancia ao desgaste superficial com um n\u00facleo resistente.<\/td><td>40-52 HRC<\/td><td>Irritante, desgaste, rachaduras<\/td><\/tr>\n            <tr><td>Inser\u00e7\u00f5es de moldes de pl\u00e1stico<\/td><td>Utilizado quando o P20 n\u00e3o \u00e9 suficiente em termos de resist\u00eancia ao desgaste, polimento ou resist\u00eancia ao calor.<\/td><td>48-52 HRC<\/td><td>Abras\u00e3o, defeitos de polimento, distor\u00e7\u00e3o<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <div class=\"aobo-note-box\">\n        <p>The hardness values above are typical service ranges, not fixed limits. Large tools, heavy-impact conditions, and severe thermal cycling call for greater toughness and lower hardness. Smaller inserts, pins, mandrels, and wear-focused parts are usually run nearer the top of the range.<\/p>\n      <\/div>\n      <p>As a practical ceiling, hardened and tempered H13 holds useful hot-work properties up to about 52-54 HRC. Values above this are not realistic for tempered hot-work service.<\/p>\n\n      <h2>H13 for Die-Casting Dies<\/h2>\n      <p>H13 is one of the most common tool steels for aluminum, magnesium, and zinc die-casting dies. These dies must withstand high-speed molten metal, repeated thermal cycling, casting pressure, cooling stress, and surface wear.<\/p>\n      <p>The main reason for using H13 in die casting is its resistance to heat checking. During each cycle the die surface heats rapidly on contact with molten metal and cools quickly during spraying or internal cooling. This repeated expansion and contraction creates fine surface cracks. As these cracks grow, they degrade casting surface quality, make ejection harder, and shorten die life.<\/p>\n      <p>H13 suits aluminum die casting because the die must resist both thermal fatigue and molten-metal washout. In magnesium die casting, the same need for thermal-shock resistance and crack control makes it a practical choice. In zinc die casting the service temperature is lower, so H13 can be run at higher hardness for better wear resistance.<\/p>\n      <p>For brass die casting, H13 is limited to less severe conditions or shorter runs. Brass melts hotter, so when the die must hold up at high temperature for extended periods, higher-alloy hot-work steels are safer.<\/p>\n\n      <h2>H13 para matrizes e ferramentas de extrus\u00e3o<\/h2>\n      <p>H13 handles the pressure, hot wear, and repeated thermal cycling of extrusion while keeping useful toughness. In extrusion the billet is forced through the die under high load, so the tooling must resist deformation, cracking, and surface wear.<\/p>\n      <p>For aluminum and magnesium extrusion, H13 is used for dies, mandrels, dummy blocks, backers, bolsters, die rings, rams, and liners. Active dies and mandrels need higher wear resistance, while support tooling needs greater toughness and load-bearing strength.<\/p>\n      <p>For copper, brass, and steel extrusion, H13 still serves in support tooling, mandrels, containers, and surrounding components. Where the active die area exceeds the practical service temperature of H13, higher-alloy hot-work steels are required.<\/p>\n\n      <h2>H13 for Hot-Forging Dies<\/h2>\n      <p>H13 is used for hot-forging dies, punches, and inserts. Forging tools must resist impact, compressive load, contact with hot metal, surface wear, and repeated heating and cooling.<\/p>\n      <p>In hammer forging the impact load is severe, so H13 is run at lower hardness to reduce the risk of brittle fracture. In press forging the load is applied more gradually, so higher hardness can be used. Press forging also creates longer contact time between the hot workpiece and the die, so overheating and thermal fatigue still have to be controlled.<\/p>\n\n      <h2>H13 para l\u00e2minas de corte a quente e insertos de matriz<\/h2>\n      <p>H13 is used for hot shear blades because it keeps edge strength at elevated temperature while resisting impact and thermal shock. These blades cut heated billets, bars, and forged parts, so blade hardness has to match cutting severity.<\/p>\n      <p>Lighter hot shearing allows higher hardness for edge wear resistance. Heavy-duty shearing, thick sections, and strong impact call for lower hardness to reduce edge cracking and blade fracture.<\/p>\n      <p>H13 is also common in die inserts. Rather than machining a full die from hot-work steel, the active wear and heat zone is made from H13 while the holder, backup block, or retainer uses a more economical steel. In die-casting inserts H13 resists heat checking and molten-metal erosion. In forging inserts it resists wear, impact, and thermal fatigue. For high-cycle dies, precision inserts, or polished mold surfaces, ESR H13 improves steel cleanliness and fatigue performance.<\/p>\n\n      <h2>H13 para pinos de n\u00facleo e componentes de moldes<\/h2>\n      <p>H13 is used for core pins, ejector pins, slides, moving cores, mold inserts, and other stressed mold components. These parts see sliding wear, localized heat, repeated motion, and high contact pressure.<\/p>\n      <p>For die-casting core pins and ejector pins, H13 provides a tough core with a wear-resistant surface, which reduces galling, wear, and cracking over repeated cycles.<\/p>\n      <p>For plastic molds, P20 is more economical for general mold bases and large cavities. H13 is chosen when the mold needs higher wear resistance, heat resistance, polishability, or longer production life, as in abrasive resin molding, high-cycle plastic molds, and molds for visible or transparent parts.<\/p>\n      <p>For optical, transparent, or high-polish components, ESR H13 reduces polishing defects because cleaner steel carries fewer inclusions. This matters for clear lenses, cosmetic plastic parts, and high-quality visible surfaces.<\/p>\n\n      <h2>Where H13 Fits Best<\/h2>\n      <div class=\"aobo-application-grid\">\n        <article class=\"aobo-application-card\">\n          <h3>Fundi\u00e7\u00e3o sob press\u00e3o<\/h3>\n          <p>Choose H13 when heat checking, molten-metal erosion, thermal shock, and casting pressure are the main risks.<\/p>\n        <\/article>\n        <article class=\"aobo-application-card\">\n          <h3>Extrus\u00e3o<\/h3>\n          <p>Use H13 for aluminum and magnesium dies, mandrels, liners, and support tooling that must resist hot wear and pressure.<\/p>\n        <\/article>\n        <article class=\"aobo-application-card\">\n          <h3>Forjamento<\/h3>\n          <p>Choose lower hardness for hammer forging and higher hardness where press-forging wear is more important than impact risk.<\/p>\n        <\/article>\n        <article class=\"aobo-application-card\">\n          <h3>Mold components<\/h3>\n          <p>Use H13 when P20 cannot provide enough wear resistance, heat resistance, polishability, or service life.<\/p>\n        <\/article>\n      <\/div>\n\n      <h2>Quando o a\u00e7o ferramenta H13 n\u00e3o \u00e9 a escolha certa<\/h2>\n      <p>H13 performs well in balanced hot-work applications, but it is not the best choice when one requirement dominates the job.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Condi\u00e7\u00f5es de servi\u00e7o<\/th><th>Por que H13 pode n\u00e3o ser a melhor op\u00e7\u00e3o<\/th><th>Melhor Dire\u00e7\u00e3o de Materiais<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Continuous service above about 540&deg;C<\/td><td>H13 loses hardness and strength too quickly<\/td><td>A\u00e7os para trabalho a quente de alta liga H21, H24, H26, H42 ou outros<\/td><\/tr>\n            <tr><td>Abras\u00e3o severa por frio<\/td><td>H13 lacks the carbide volume for maximum cold-work wear resistance<\/td><td>A\u00e7os ferramenta D2, A2, M2, PM ou carboneto.<\/td><\/tr>\n            <tr><td>Moldagem de pl\u00e1stico corrosivo<\/td><td>O H13 n\u00e3o \u00e9 inoxid\u00e1vel e pode enferrujar ou apresentar corros\u00e3o.<\/td><td>420 stainless, 15-5 PH, or 17-4 PH<\/td><\/tr>\n            <tr><td>Moldes pl\u00e1sticos de grande porte com press\u00e3o de custos<\/td><td>H13 is harder to machine and needs heat treatment<\/td><td>P20 ou outros a\u00e7os pr\u00e9-endurecidos para moldes<\/td><\/tr>\n            <tr><td>tenacidade m\u00e1xima \u00e0 fratura<\/td><td>H13 is slightly less tough than H11<\/td><td>H11 ou H11 modificado<\/td><\/tr>\n            <tr><td>Blocos de matriz extremamente espessos<\/td><td>Core properties are hard to control without adequate quenching<\/td><td>A\u00e7os premium H13, com design de inser\u00e7\u00e3o ou blocos alternativos.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>For continuous very-high-temperature service, tungsten hot-work steels outperform H13. For severe cold wear, D2 or A2 is more suitable. For corrosive plastic molding, stainless mold steels are safer. For large plastic molds where machining efficiency and cost matter more than hot-work performance, P20 is the better choice.<\/p>\n      <p>The selection rule is to choose H13 when the main risks are heat checking, hot cracking, thermal shock, impact, and hot wear.<\/p>\n    <\/main>\n\n    <section class=\"aobo-related-pages\" aria-label=\"P\u00e1ginas relacionadas ao a\u00e7o ferramenta H13\">\n      <h2>P\u00e1ginas relacionadas<\/h2>\n      <div class=\"aobo-related-grid\">\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">\n          <strong>H13 Tool Steel Supplier<\/strong>\n          <span>Supply details for H13 round bar, flat bar, forged block, annealed material, and ESR quality.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel-hardness\/\">\n          <strong>Dureza do a\u00e7o H13<\/strong>\n          <span>Hardness ranges, tempering response, and practical HRC targets for hot-work tooling.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/h13-heat-treatment-guide\/\">\n          <strong>Guia de Tratamento T\u00e9rmico H13<\/strong>\n          <span>Preheating, austenitizing, quenching, tempering, and stress-relief guidance for H13 tools.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/when-to-choose-esr-h13-tool-steel\/\">\n          <strong>When to Choose ESR H13<\/strong>\n          <span>How to decide when ESR quality is justified for die casting, forging, and polished mold components.<\/span>\n        <\/a>\n      <\/div>\n    <\/section>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Need H13 for Hot-Work Tooling?<\/h2>\n        <p>Send your grade, size, quantity, application, hardness target, and quality requirement. Aobo Steel can confirm H13 forged or rolled supply, annealed condition, ESR option, and mill certificate details.<\/p>\n      <\/div>\n      <a class=\"aobo-btn hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n    <\/section>\n  <\/div>\n<\/section>\n\n\n\n\n<h2 id=\"h-faq\" class=\"wp-block-heading\">Perguntas frequentes<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1778125162826\"><strong class=\"schema-faq-question\">Para que \u00e9 utilizado principalmente o a\u00e7o ferramenta H13?<\/strong> <p class=\"schema-faq-answer\">O a\u00e7o ferramenta H13 \u00e9 usado principalmente para ferramentas de trabalho a quente, incluindo matrizes de fundi\u00e7\u00e3o de alum\u00ednio, matrizes de extrus\u00e3o, matrizes de forjamento a quente, l\u00e2minas de corte a quente, insertos de matriz, pinos de n\u00facleo, pinos extratores e componentes de moldes de alto desempenho.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1778125175618\"><strong class=\"schema-faq-question\">Por que o H13 \u00e9 usado para moldes de fundi\u00e7\u00e3o sob press\u00e3o?<\/strong> <p class=\"schema-faq-answer\">H13 is used for die-casting dies because it resists heat checking, thermal shock, molten-metal erosion, and cracking. These are common failure risks in aluminum, magnesium, and zinc die casting.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1778125186042\"><strong class=\"schema-faq-question\">O H13 \u00e9 adequado para matrizes de extrus\u00e3o de alum\u00ednio?<\/strong> <p class=\"schema-faq-answer\">Sim. O a\u00e7o H13 \u00e9 amplamente utilizado em matrizes de extrus\u00e3o de alum\u00ednio, mandris, blocos de suporte, refor\u00e7os, an\u00e9is de matriz, pist\u00f5es e revestimentos, pois combina resist\u00eancia ao trabalho a quente, tenacidade e boa resposta ao tratamento de superf\u00edcie.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1778125187142\"><strong class=\"schema-faq-question\">O H13 \u00e9 usado para matrizes de forjamento?<\/strong> <p class=\"schema-faq-answer\">Sim. O a\u00e7o H13 \u00e9 comumente usado em matrizes de forjamento a quente, pun\u00e7\u00f5es e insertos, pois suporta impactos, calor e ciclos t\u00e9rmicos repetidos melhor do que muitos a\u00e7os de uso geral.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1778125187969\"><strong class=\"schema-faq-question\">O H13 \u00e9 usado para componentes de moldes?<\/strong> <p class=\"schema-faq-answer\">Sim. O a\u00e7o H13 \u00e9 utilizado em pinos de n\u00facleo, pinos extratores, corredi\u00e7as, n\u00facleos m\u00f3veis, insertos de moldes e componentes de moldes pl\u00e1sticos de alto desempenho, especialmente quando a resist\u00eancia ao desgaste, a resist\u00eancia ao calor ou a capacidade de polimento devem exceder as do a\u00e7o P20 padr\u00e3o.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1778125217995\"><strong class=\"schema-faq-question\">O H13 \u00e9 melhor que o P20 para moldes de pl\u00e1stico?<\/strong> <p class=\"schema-faq-answer\">H13 is preferable when the mold requires higher wear resistance, heat resistance, polishability, or a longer production life. P20 is usually better for general plastic molds where lower cost, easier machining, and availability of pre-hardened stock are more important.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1778125219001\"><strong class=\"schema-faq-question\">O H13 \u00e9 adequado para ferramentas de trabalho a frio?<\/strong> <p class=\"schema-faq-answer\">O a\u00e7o H13 geralmente n\u00e3o \u00e9 a melhor escolha para desgaste severo por trabalho a frio. Para estampagem a frio, corte, embutimento profundo e desgaste abrasivo em longas s\u00e9ries, os a\u00e7os D2 ou A2 costumam ser mais adequados.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>Hot Work Tool Steel Application Guide H13 Tool Steel Applications H13 tool steel is used for hot-work tooling: aluminum die-casting dies, extrusion dies, hot-forging dies, hot shear blades, die inserts, core pins, ejector pins, slides, moving cores, and mold components. It is selected when tooling must resist repeated heating and cooling, impact loading, hot wear, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15073,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","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":"","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-13738","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>H13 Tool Steel Applications: Where H13 Works Best | Aobo Steel | AoboSteel<\/title>\n<meta name=\"description\" content=\"H13 tool steel applications explained by Aobo Steel. 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