{"id":12383,"date":"2026-01-23T13:26:08","date_gmt":"2026-01-23T05:26:08","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12383"},"modified":"2026-04-02T10:51:27","modified_gmt":"2026-04-02T02:51:27","slug":"selection-of-tool-steel-for-low-pressure-die-casting-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-low-pressure-die-casting-dies\/","title":{"rendered":"Sele\u00e7\u00e3o de a\u00e7o para matrizes LPDC: H13 vs H11 vs H10 | Fornecedor de a\u00e7o para ferramentas"},"content":{"rendered":"<div class=\"wp-block-uagb-container uagb-block-c1cb09eb alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h1 class=\"wp-block-heading\" id=\"h-selection-of-tool-steel-for-low-pressure-die-casting-dies\">Sele\u00e7\u00e3o de a\u00e7o ferramenta para moldes de fundi\u00e7\u00e3o sob baixa press\u00e3o<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">A fundi\u00e7\u00e3o sob baixa press\u00e3o (LPDC, na sigla em ingl\u00eas) \u00e9 um processo controlado de preenchimento pela parte inferior, no qual o metal fundido \u00e9 empurrado para a cavidade do molde pela press\u00e3o do g\u00e1s. O comportamento est\u00e1vel do preenchimento reduz a turbul\u00eancia e a porosidade, mas n\u00e3o reduz a carga t\u00e9rmica e qu\u00edmica sobre o molde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os moldes LPDC operam sob ciclos de aquecimento e resfriamento. O contato com alum\u00ednio ou magn\u00e9sio fundido eleva rapidamente a temperatura da superf\u00edcie, seguido pelo resfriamento durante a solidifica\u00e7\u00e3o e eje\u00e7\u00e3o da pe\u00e7a. Esse ciclo repetido leva \u00e0 fadiga t\u00e9rmica (trincas t\u00e9rmicas). Ao mesmo tempo, o fluxo cont\u00ednuo de metal causa eros\u00e3o superficial e intera\u00e7\u00e3o qu\u00edmica, como soldagem, especialmente em ligas de alum\u00ednio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fatores de sele\u00e7\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A sele\u00e7\u00e3o centra-se na resist\u00eancia \u00e0 fadiga t\u00e9rmica, propaga\u00e7\u00e3o de fissuras, amolecimento e transfer\u00eancia de calor sob condi\u00e7\u00f5es c\u00edclicas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Resist\u00eancia \u00e0 fadiga t\u00e9rmica (fissura\u00e7\u00e3o por calor)<br><\/strong>A fadiga t\u00e9rmica \u00e9 o principal modo de falha em matrizes LPDC. Ela \u00e9 impulsionada por mudan\u00e7as repetidas de temperatura, e n\u00e3o apenas pela temperatura m\u00e1xima. O a\u00e7o deve resistir ao in\u00edcio e \u00e0 propaga\u00e7\u00e3o lenta de trincas sob tens\u00e3o c\u00edclica. Isso requer resist\u00eancia e tenacidade est\u00e1veis na temperatura de opera\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Equil\u00edbrio entre resist\u00eancia e durabilidade<br><\/strong>O aumento da dureza melhora a resist\u00eancia \u00e0 eros\u00e3o e ao escoamento do metal, mas reduz a resist\u00eancia \u00e0 fratura. Em matrizes LPDC, a falha geralmente ocorre por fissura\u00e7\u00e3o em vez de desgaste uniforme. Matrizes com cantos vivos, se\u00e7\u00f5es finas ou concentra\u00e7\u00e3o de tens\u00e3o exigem maior tenacidade. Geometrias mais simples e grandes superf\u00edcies de contato podem priorizar a resist\u00eancia ao desgaste.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dureza a quente (resist\u00eancia \u00e0 t\u00eampera)<br><\/strong>A exposi\u00e7\u00e3o t\u00e9rmica repetida pode reduzir a dureza do a\u00e7o que n\u00e3o possui resist\u00eancia \u00e0 t\u00eampera. A perda de dureza leva \u00e0 deforma\u00e7\u00e3o pl\u00e1stica, instabilidade dimensional e danos superficiais acelerados. O material deve manter a dureza sob aquecimento c\u00edclico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Condutividade t\u00e9rmica<br><\/strong>A condutividade t\u00e9rmica afeta os gradientes de temperatura internos. Uma condutividade mais alta reduz a tens\u00e3o t\u00e9rmica e retarda a forma\u00e7\u00e3o de trincas por fissura\u00e7\u00e3o t\u00e9rmica, especialmente em chips refrigerados a \u00e1gua.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A\u00e7os para ferramentas recomendados<\/h2>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-b430ad38\">\n<h3 class=\"wp-block-heading\" id=\"h-h13-tool-steel-supplier-1-2344-skd61\">Fornecedor de a\u00e7o ferramenta H13 | 1.2344 | SKD61<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O H13 \u00e9 o material padr\u00e3o para matrizes LPDC devido \u00e0 sua resist\u00eancia equilibrada ao trincamento t\u00e9rmico, amolecimento e fissura\u00e7\u00e3o. Ele mant\u00e9m a estabilidade mec\u00e2nica sob ciclos t\u00e9rmicos repetidos e proporciona tenacidade suficiente para limitar a propaga\u00e7\u00e3o de trincas. Uma dureza de trabalho de 44\u201348 HRC \u00e9 normalmente utilizada para equilibrar durabilidade e resist\u00eancia \u00e0 fissura\u00e7\u00e3o.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta agora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624 is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento de materiais H13<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-b430ad38\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-h11-tool-steel-1-2343-skd6\">A\u00e7o ferramenta AISI H11 | 1.2343 | SKD6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O H11 oferece maior tenacidade que o H13, tornando-o mais adequado para matrizes propensas a trincas. \u00c9 prefer\u00edvel para matrizes grandes, geometrias complexas ou \u00e1reas com concentra\u00e7\u00e3o de tens\u00f5es. O menor teor de van\u00e1dio melhora a resist\u00eancia \u00e0 fratura, mantendo um desempenho adequado em fadiga t\u00e9rmica. A dureza de trabalho t\u00edpica \u00e9 de 44\u201347 HRC.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta agora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624 is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/h11-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento de materiais H11<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-b430ad38\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-h10-tool-steel-1-2365-skd7\">A\u00e7o ferramenta AISI H10 | 1.2365 | SKD7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O H10 \u00e9 utilizado quando o estresse t\u00e9rmico \u00e9 o fator limitante. Sua maior condutividade t\u00e9rmica reduz os gradientes de temperatura internos e o risco de fadiga t\u00e9rmica. \u00c9 adequado para matrizes com resfriamento intenso ou condi\u00e7\u00f5es de alta carga t\u00e9rmica. Comparado ao H13, sacrifica um pouco da resist\u00eancia ao desgaste em prol de uma melhor dissipa\u00e7\u00e3o de calor.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta agora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624 is-style-outline is-style-outline--3\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/h10-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento de materiais H10.<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-b430ad38\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-p20-tool-steel-1-2311-3cr2mo\">A\u00e7o ferramenta AISI P20 | 1.2311 | 3Cr2Mo<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para ligas de baixa temperatura, como o zinco, o P20 \u00e9 uma op\u00e7\u00e3o com boa rela\u00e7\u00e3o custo-benef\u00edcio. Ele \u00e9 fornecido pr\u00e9-endurecido (~300 HB), permitindo usinagem e uso diretos, sem necessidade de tratamento t\u00e9rmico. \u00c9 adequado para baixa carga t\u00e9rmica e ciclos de produ\u00e7\u00e3o limitados, mas n\u00e3o para soldagem a frio de alum\u00ednio ou magn\u00e9sio com alta tens\u00e3o t\u00e9rmica.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta agora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624 is-style-outline is-style-outline--4\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/p20-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento de materiais P20.<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Tabela Resumo<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>A\u00e7o ferramenta de alta qualidade<\/td><td>Dureza t\u00edpica<\/td><td>Principal vantagem do LPDC<\/td><\/tr><tr><td>H13<\/td><td>44\u201348 HRC<\/td><td>Resist\u00eancia equilibrada ao calor, incluindo rachaduras, amolecimento e fissuras.<\/td><\/tr><tr><td>H11<\/td><td>44\u201347 HRC<\/td><td>Maior resist\u00eancia para matrizes sens\u00edveis a trincas<\/td><\/tr><tr><td>H10<\/td><td>38\u201346 HRC<\/td><td>Uma maior condutividade t\u00e9rmica reduz o estresse t\u00e9rmico.<\/td><\/tr><tr><td>P20<\/td><td>~300 HB<\/td><td>Custo-benef\u00edcio para aplica\u00e7\u00f5es com baixa carga t\u00e9rmica.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Selection of Tool Steel for Low-Pressure Die Casting Dies Low-pressure die casting (LPDC) is a controlled bottom-filling process in which molten metal is pushed into the die cavity by gas pressure. The stable filling behavior reduces turbulence and porosity, but does not reduce the thermal and chemical load on the die. LPDC dies operate under [&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-12383","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>LPDC Die Steel Selection: H13 vs H11 vs H10 | Tool Steel Supplier | AoboSteel<\/title>\n<meta name=\"description\" content=\"Choose the right tool steel for low pressure die casting dies. 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Compare H13, H11, H10 e P20 com base na fadiga t\u00e9rmica, tenacidade e resist\u00eancia ao calor para aplica\u00e7\u00f5es de fundi\u00e7\u00e3o sob baixa press\u00e3o.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-low-pressure-die-casting-dies\/","og_locale":"pt_BR","og_type":"article","og_title":"LPDC Die Steel Selection: H13 vs H11 vs H10 | Tool Steel Supplier","og_description":"Choose the right tool steel for low pressure die casting dies. Compare H13, H11, H10, and P20 based on thermal fatigue, toughness, and heat resistance for LPDC applications.","og_url":"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-low-pressure-die-casting-dies\/","og_site_name":"AoboSteel","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61565368220197","article_modified_time":"2026-04-02T02:51:27+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. tempo de leitura":"3 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/aobosteel.com\/selection-of-tool-steel-for-low-pressure-die-casting-dies\/","url":"https:\/\/aobosteel.com\/selection-of-tool-steel-for-low-pressure-die-casting-dies\/","name":"Sele\u00e7\u00e3o de a\u00e7o para matrizes LPDC: H13 vs H11 vs H10 | Fornecedor de a\u00e7o para ferramentas | AoboSteel","isPartOf":{"@id":"https:\/\/aobosteel.com\/#website"},"datePublished":"2026-01-23T05:26:08+00:00","dateModified":"2026-04-02T02:51:27+00:00","description":"Escolha o a\u00e7o ferramenta adequado para moldes de fundi\u00e7\u00e3o sob baixa press\u00e3o. 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The stable filling behavior reduces turbulence and porosity, but does not reduce the thermal and chemical load on the die. LPDC dies operate under&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 Low-Pressure Die Casting Dies Low-pressure die casting (LPDC) is a controlled bottom-filling process in which molten metal is pushed into the die cavity by gas pressure. The stable filling behavior reduces turbulence and porosity, but does not reduce the thermal and chemical load on the die. 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