{"id":12368,"date":"2026-01-22T20:01:06","date_gmt":"2026-01-22T12:01:06","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12368"},"modified":"2026-09-23T15:53:15","modified_gmt":"2026-09-23T07:53:15","slug":"selection-of-tool-steel-for-high-pressure-die-casting-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-high-pressure-die-casting-dies\/","title":{"rendered":"Guia de Sele\u00e7\u00e3o de A\u00e7o Ferramenta HPDC | Fornecedor H13 H11 | Aobo Steel"},"content":{"rendered":"<section class=\"aobo-hpdc-dies-page\">\n  <style>\n\n    .aobo-hpdc-dies-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\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      background: transparent;\n      padding: 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de 6,9 a 206,8 MPa (1.000 a 30.000 psi). A cavidade se preenche e solidifica em segundos, expondo a superf\u00edcie do molde a repetidas cargas t\u00e9rmicas e mec\u00e2nicas.<\/p>\n      <p>Durante cada ciclo, a face do chip sofre aquecimento r\u00e1pido ao entrar em contato com a liga fundida, seguido de resfriamento durante a eje\u00e7\u00e3o da pe\u00e7a. Isso cria tens\u00f5es c\u00edclicas de compress\u00e3o e tra\u00e7\u00e3o. Ao mesmo tempo, o fluxo de metal em alta velocidade causa eros\u00e3o superficial, enquanto a intera\u00e7\u00e3o qu\u00edmica entre a liga fundida e o chip pode resultar em soldagem.<\/p>\n      <p>Na pr\u00e1tica, a vida \u00fatil do chip \u00e9 determinada pelo mecanismo de falha predominante nas condi\u00e7\u00f5es reais de opera\u00e7\u00e3o: fadiga t\u00e9rmica, eros\u00e3o ou soldagem.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <h2>Fatores de sele\u00e7\u00e3o<\/h2>\n      <p>A sele\u00e7\u00e3o do a\u00e7o ferramenta para HPDC come\u00e7a com a identifica\u00e7\u00e3o do modo de falha predominante e, em seguida, com a escolha do material capaz de resistir a ele.<\/p>\n      <p>A fadiga t\u00e9rmica (fissura\u00e7\u00e3o por calor) \u00e9 a causa mais comum de falhas. O aquecimento e o resfriamento repetidos geram fissuras superficiais que se propagam sob tens\u00e3o mec\u00e2nica, levando eventualmente ao lascamento ou \u00e0 fratura.<\/p>\n      <p>Para retardar esse processo, o a\u00e7o deve manter sua resist\u00eancia em altas temperaturas, o que significa que deve resistir ao amolecimento por revenido durante o aquecimento c\u00edclico. Ao mesmo tempo, \u00e9 necess\u00e1ria tenacidade suficiente para retardar a propaga\u00e7\u00e3o de trincas ap\u00f3s o seu in\u00edcio.<\/p>\n      <p>Esses requisitos entram em conflito na pr\u00e1tica. O aumento da dureza melhora a resist\u00eancia \u00e0 eros\u00e3o e \u00e0 deforma\u00e7\u00e3o, mas acelera a propaga\u00e7\u00e3o de trincas. O aumento da tenacidade melhora a resist\u00eancia \u00e0 propaga\u00e7\u00e3o de trincas, mas reduz a resist\u00eancia a altas temperaturas e a resist\u00eancia ao desgaste.<\/p>\n      <p>Na produ\u00e7\u00e3o, esse equil\u00edbrio \u00e9 controlado principalmente pela sele\u00e7\u00e3o da dureza dentro de uma faixa vi\u00e1vel, em vez de maximizar qualquer propriedade individual.<\/p>\n      <h2>A\u00e7os-ferramenta recomendados<\/h2>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-h13-tool-steel-supplier-1-2344-skd61\">Fornecedor de a\u00e7o ferramenta H13 | 1.2344 | SKD61<\/h3>\n        <p>H13 \u00e9 a escolha padr\u00e3o para HPDC de alum\u00ednio e magn\u00e9sio, onde nenhum modo de falha espec\u00edfico predomina.<\/p>\n        <p>Seu sistema de liga proporciona resist\u00eancia est\u00e1vel ao amolecimento por revenido, permitindo que mantenha sua resist\u00eancia sob ciclos t\u00e9rmicos repetidos. Ao mesmo tempo, sua tenacidade \u00e9 suficiente para controlar a propaga\u00e7\u00e3o de trincas, o que \u00e9 crucial para o gerenciamento de fissuras t\u00e9rmicas.<\/p>\n        <p>Normalmente, utiliza-se uma dureza de 42 a 52 HRC, uma faixa amplamente adotada por proporcionar resist\u00eancia consistente tanto \u00e0 fadiga t\u00e9rmica quanto \u00e0 deforma\u00e7\u00e3o pl\u00e1stica sob carga.<\/p>\n        <div class=\"aobo-cta-row\">\n          <div class=\"popmake-16052 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta agora<\/a><\/div>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">Veja os detalhes de fornecimento de materiais H13<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-h11-tool-steel-1-2343-skd6\">A\u00e7o ferramenta AISI H11 | 1.2343 | SKD6<\/h3>\n        <p>O H11 \u00e9 prefer\u00edvel quando o risco de fissuras supera o risco de desgaste.<\/p>\n        <p>Em compara\u00e7\u00e3o com o H13, oferece maior tenacidade e melhor resist\u00eancia ao choque t\u00e9rmico, tornando-o mais adequado para matrizes grandes ou geometrias complexas onde as concentra\u00e7\u00f5es de tens\u00e3o aumentam o risco de in\u00edcio de trincas.<\/p>\n        <p>\u00c9 comumente utilizado com dureza entre 42 e 50 HRC. A dureza ligeiramente inferior melhora a resist\u00eancia \u00e0 propaga\u00e7\u00e3o de trincas, podendo prolongar a vida \u00fatil em \u00e1reas de alta tens\u00e3o.<\/p>\n        <div class=\"aobo-cta-row\">\n          <div class=\"popmake-16052 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta agora<\/a><\/div>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/pt\/h11-tool-steel\/\">Veja os detalhes de fornecimento de materiais H11<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-h21-tool-steel-1-2581-skd5\">A\u00e7o ferramenta AISI H21 | 1.2581 | SKD5<\/h3>\n        <p>O H21 \u00e9 utilizado quando a temperatura de opera\u00e7\u00e3o \u00e9 o principal fator limitante.<\/p>\n        <p>Seu alto teor de tungst\u00eanio permite que ele mantenha a resist\u00eancia em temperaturas nas quais os a\u00e7os H11 e H13 come\u00e7am a amolecer. Isso o torna adequado para fundi\u00e7\u00e3o sob press\u00e3o de lat\u00e3o e cobre, onde a carga t\u00e9rmica \u00e9 significativamente maior.<\/p>\n        <p>A desvantagem \u00e9 uma menor tenacidade e maior sensibilidade ao choque t\u00e9rmico. Normalmente, utiliza-se uma dureza de 38\u201342 HRC para reduzir o risco de falha fr\u00e1gil, e o resfriamento inadequado pode aumentar significativamente o risco de fissura\u00e7\u00e3o.<\/p>\n        <div class=\"aobo-cta-row\">\n          <div class=\"popmake-16052 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta agora<\/a><\/div>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/pt\/h21-tool-steel\/\">Veja os detalhes do fornecimento de materiais do H21.<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-p20-tool-steel-1-2311-3cr2mo\">A\u00e7o ferramenta AISI P20 | 1.2311 | 3Cr2Mo<\/h3>\n        <p>O P20 deve ser considerado apenas para fundi\u00e7\u00e3o de zinco sob press\u00e3o, onde a carga t\u00e9rmica \u00e9 relativamente baixa.<\/p>\n        <p>Por ser um a\u00e7o pr\u00e9-endurecido (28\u201337 HRC), permite usinagem direta at\u00e9 as dimens\u00f5es finais sem tratamento t\u00e9rmico adicional, reduzindo o risco de distor\u00e7\u00e3o e o tempo de produ\u00e7\u00e3o.<\/p>\n        <p>No entanto, n\u00e3o possui a resist\u00eancia a altas temperaturas necess\u00e1ria para a soldagem HPDC de alum\u00ednio ou magn\u00e9sio e n\u00e3o \u00e9 adequado para essas condi\u00e7\u00f5es.<\/p>\n        <div class=\"aobo-cta-row\">\n          <div class=\"popmake-16052 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta agora<\/a><\/div>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/pt\/p20-tool-steel\/\">Veja os detalhes de fornecimento de materiais P20.<\/a>\n        <\/div>\n      <\/div>\n      <h2>Tabela Resumo<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Classe de a\u00e7o ferramenta<\/th><th>Dureza t\u00edpica<\/th><th>Principal vantagem do HPDC<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>AISI H13<\/td><td>42\u201352 HRC<\/td><td>Resist\u00eancia equilibrada \u00e0 fadiga t\u00e9rmica, ao amolecimento e \u00e0 deforma\u00e7\u00e3o.<\/td><\/tr>\n            <tr><td>AISI H11<\/td><td>42\u201350 HRC<\/td><td>Maior tenacidade; melhor resist\u00eancia \u00e0 propaga\u00e7\u00e3o de fissuras.<\/td><\/tr>\n            <tr><td>AISI H21<\/td><td>38\u201342 HRC<\/td><td>Mant\u00e9m a resist\u00eancia em temperaturas elevadas em aplica\u00e7\u00f5es de alta temperatura.<\/td><\/tr>\n            <tr><td>AISI P20<\/td><td>28\u201337 HRC<\/td><td>Pr\u00e9-endurecido; adequado para fundi\u00e7\u00e3o de zinco em baixa temperatura.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/main>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Selection of Tool Steel for High Pressure Die Casting Dies High-pressure die casting (HPDC) is a high-speed process in which molten metal is injected into a steel die under pressures of 6.9\u2013206.8 MPa (1,000\u201330,000 psi). The cavity fills and solidifies within seconds, exposing the die surface to repeated thermal and mechanical loading. During each cycle, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","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-12368","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>HPDC Tool Steel Selection Guide | H13 H11 Supplier | Aobo Steel<\/title>\n<meta name=\"description\" content=\"Select the right tool steel for HPDC dies based on failure modes. 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The cavity fills and solidifies within seconds, exposing the die surface to repeated thermal and mechanical loading. During each cycle,&hellip;","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Selection of Tool Steel for High Pressure Die Casting Dies High-pressure die casting (HPDC) is a high-speed process in which molten metal is injected into a steel die under pressures of 6.9\u2013206.8 MPa (1,000\u201330,000 psi). The cavity fills and solidifies within seconds, exposing the die surface to repeated thermal and mechanical loading. 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