{"id":9406,"date":"2025-08-03T15:11:54","date_gmt":"2025-08-03T07:11:54","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9406"},"modified":"2026-01-28T23:53:41","modified_gmt":"2026-01-28T15:53:41","slug":"h10-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/h10-tool-steel\/","title":{"rendered":"A\u00e7o para ferramentas H10 | 1.2365 | SKD7"},"content":{"rendered":"<div class=\"wp-block-cover alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"337\" class=\"wp-block-cover__image-background wp-image-7233 size-large\" alt=\"\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-300x99.webp 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-768x253.webp 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1536x506.webp 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-18x6.webp 18w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#4e4b40\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-uagb-container uagb-block-29fc5c3c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c196a237\"><h6 class=\"uagb-heading-text\"><a href=\"https:\/\/aobosteel.com\/pt\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">In\u00edcio<\/mark> <\/a>&gt; <a href=\"https:\/\/aobosteel.com\/pt\/tool-steels\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Cat\u00e1logo de A\u00e7os para Ferramentas<\/mark><u> <\/u><\/a>A\u00e7o ferramenta H10<\/h6><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d1ce38c5\"><h5 class=\"uagb-heading-text\"><em>Aobo Steel | Fornecedor global de a\u00e7o para ferramentas na China<\/em><\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-5b6189ba\"><h2 class=\"uagb-heading-text\">A\u00e7o ferramenta AISI H10 | 1.2365 | A\u00e7o cromo-molibd\u00eanio para trabalho a quente SKD7<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-914bcd03\"><h5 class=\"uagb-heading-text\">\u2713100% Garantia de Qualidade Testada por Ultrassom<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-84cd4af9\"><h5 class=\"uagb-heading-text\">\u2713SET 1921-82 Classe D\/d Garantida<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-20e20150\"><h5 class=\"uagb-heading-text\">\u2713Entrega no estado recozido<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-33ee52f8\"><h5 class=\"uagb-heading-text\">\u2713Superf\u00edcie: Escama preta, torneada, acabamento bruto ou polida<\/h5><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Consulta r\u00e1pida sobre o material H10<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas H10 \u00e9 um a\u00e7o para ferramentas de trabalho a quente \u00e0 base de cromo. As classes equivalentes s\u00e3o DIN (Alemanha) 1.2365, JIS (Jap\u00e3o) SKD7 e GB (China). <a href=\"https:\/\/aobosteel.com\/pt\/4cr3mo3siv-tool-steel\/\"><em>4Cr3Mo3SiV<\/em><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-eael-table-of-content\">1. Composi\u00e7\u00e3o qu\u00edmica do a\u00e7o para ferramentas H10<sup data-fn=\"10b4208e-d036-446c-b0d1-6770a02c0b2e\" class=\"fn\"><a id=\"10b4208e-d036-446c-b0d1-6770a02c0b2e-link\" href=\"#10b4208e-d036-446c-b0d1-6770a02c0b2e\">1<\/a><\/sup><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>C<\/td><td>Mn<\/td><td>Si<\/td><td>P<\/td><td>S<\/td><td>Cr<\/td><td>Mo<\/td><td>Outros<\/td><\/tr><tr><td>0.35-0.45%<\/td><td>0.20-0.70%<\/td><td>0.80-1.25%<\/td><td>0.03%<\/td><td>0.03%<\/td><td>3.00-3.75%<\/td><td>2.00-3.00%<\/td><td>V0,25-0,75%; Ni+Cu 0,75%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-eael-table-of-content\">2. Propriedades mec\u00e2nicas e f\u00edsicas do a\u00e7o para ferramentas H10<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os elementos de liga no a\u00e7o para ferramentas H10 conferem um conjunto exclusivo de propriedades mec\u00e2nicas e f\u00edsicas, tornando-o adequado para ambientes desafiadores de trabalho a quente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-eael-table-of-content\">2.1 Capacidades de Dureza<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A dureza do a\u00e7o para ferramentas H10 \u00e9 um fator cr\u00edtico em seu desempenho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dureza Recozida:<\/strong>&nbsp;Em seu estado recozido (amolecido), o H10 normalmente apresenta uma faixa de dureza de 192-229 HB, facilitando a usinagem.<\/li>\n\n\n\n<li><strong>Dureza temperada:<\/strong>&nbsp;Ap\u00f3s tratamento t\u00e9rmico adequado, o H10 pode atingir uma dureza temperada de aproximadamente 56-59 HRC.<\/li>\n\n\n\n<li><strong>Dureza a quente:<\/strong>&nbsp;O a\u00e7o H10 apresenta dureza m\u00e9dia (classifica\u00e7\u00e3o C) a quente. Notavelmente, em ambientes de trabalho de alta temperatura por longos per\u00edodos, o a\u00e7o para ferramentas MOD H10 mant\u00e9m sua dureza melhor do que o a\u00e7o para ferramentas H11.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-eael-table-of-content\">2.2 Temperabilidade e resposta ao tratamento t\u00e9rmico<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O H10 \u00e9 um a\u00e7o de t\u00eampera profunda que pode atingir dureza uniforme em uma ampla gama de se\u00e7\u00f5es transversais. Seu fator de t\u00eampera (D1) \u00e9 de aproximadamente 5 polegadas. Como um a\u00e7o de t\u00eampera ao ar, o H10 permite <a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-martensite\/\">martensita<\/a> forma\u00e7\u00e3o durante o resfriamento ao ar, o que contribui para uma distor\u00e7\u00e3o m\u00ednima durante o processo de tratamento t\u00e9rmico.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-eael-table-of-content\">2.3 Tenacidade e Resist\u00eancia ao Impacto<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas H10 oferece excelente tenacidade, geralmente classificado como Bom (ou categoria D). A\u00e7os para trabalho a quente \u00e0 base de cromo, como o H10, oferecem boa tenacidade e resist\u00eancia ao choque, o que \u00e9 vantajoso para muitas opera\u00e7\u00f5es de trabalho a quente. Embora alguns dados comparativos possam sugerir tenacidade ligeiramente inferior \u00e0 do H11 ou H13, o H10 continua sendo uma escolha robusta para aplica\u00e7\u00f5es que exigem resist\u00eancia ao impacto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"6-eael-table-of-content\">2.4 Resist\u00eancia ao desgaste<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A resist\u00eancia ao desgaste do a\u00e7o para ferramentas H10 \u00e9 normalmente classificada como razo\u00e1vel (categoria C\/D), com algumas fontes classificando-a como m\u00e9dia-alta, frequentemente superando&nbsp;<em><a href=\"https:\/\/aobosteel.com\/pt\/h11-tool-steel\/\">H11<\/a><\/em>&nbsp;e&nbsp;<em><a href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">A\u00e7o para ferramentas H13<\/a><\/em>&nbsp;Nesse aspecto, uma boa resist\u00eancia \u00e0 abras\u00e3o \u00e9 uma propriedade vital para matrizes utilizadas em processos exigentes, como a forjagem a quente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7-eael-table-of-content\">2.5 Desempenho em temperaturas elevadas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uma caracter\u00edstica marcante do a\u00e7o para ferramentas H10 \u00e9 sua capacidade de manter a integridade estrutural em altas temperaturas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>For\u00e7a Quente:<\/strong>&nbsp;Apresenta boa resist\u00eancia ao amolecimento, mantendo alta dureza mesmo em temperaturas de at\u00e9 500-550 \u00b0C. Essa &quot;dureza vermelha&quot; \u00e9 essencial para ferramentas que operam em altas velocidades ou em contato direto com metal quente.<\/li>\n\n\n\n<li><strong>Resist\u00eancia ao revenimento:<\/strong>&nbsp;H10 possui m\u00e9dio-alto <a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-tempering\/\">t\u00eampera<\/a> resist\u00eancia, potencialmente excedendo a de H11 ou H13 sob certas condi\u00e7\u00f5es operacionais.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"8-eael-table-of-content\">2.6 Propriedades T\u00e9rmicas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas H10 \u00e9 adequado para aplica\u00e7\u00f5es que envolvem ciclos t\u00e9rmicos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Resist\u00eancia \u00e0 fadiga t\u00e9rmica e verifica\u00e7\u00e3o de calor:<\/strong>&nbsp;O H10 tem boa resist\u00eancia \u00e0 fadiga t\u00e9rmica e \u00e0 corros\u00e3o por calor, que s\u00e3o modos de falha comuns em ferramentas para trabalho a quente.<\/li>\n\n\n\n<li><strong>Condutividade t\u00e9rmica:<\/strong>&nbsp;Com um teor de cromo em torno de 3%, o H10 apresenta uma condutividade t\u00e9rmica mais alta (aproximadamente 32 W\/m\u00b7K) em compara\u00e7\u00e3o com a\u00e7os como H11 ou H13 (que possuem ~5% Cr e ~26 W\/m\u00b7K). Essa condutividade t\u00e9rmica aprimorada \u00e9 ben\u00e9fica para aplica\u00e7\u00f5es que exigem dissipa\u00e7\u00e3o de calor eficiente da superf\u00edcie da ferramenta.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"9-eael-table-of-content\">2.7 Estabilidade Dimensional<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Por ser um a\u00e7o endurec\u00edvel ao ar, o H10 oferece a vantagem de baixa distor\u00e7\u00e3o durante o tratamento t\u00e9rmico, garantindo que as ferramentas mantenham a forma e as toler\u00e2ncias pretendidas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"10-eael-table-of-content\">2.8 Usinabilidade<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Quando recozido corretamente, o a\u00e7o para ferramentas H10 tem uma classifica\u00e7\u00e3o de usinabilidade geralmente considerada Boa (categoria C), permitindo moldagem e prepara\u00e7\u00e3o eficazes de ferramentas.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/07\/H10-tool-steel-1024x1024.avif\" alt=\"A\u00e7o para ferramentas H10\" class=\"wp-image-9152\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/07\/H10-tool-steel-1024x1024.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/07\/H10-tool-steel-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/07\/H10-tool-steel-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/07\/H10-tool-steel-768x768.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/07\/H10-tool-steel-12x12.avif 12w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/07\/H10-tool-steel.avif 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">A\u00e7o para ferramentas H10<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-ast-global-color-0-color has-text-color has-link-color wp-elements-368de0af30875f67fc49140f8c2df577 wp-block-paragraph\"><strong>Preencha o formul\u00e1rio a seguir para entrar em contato conosco e receber a cota\u00e7\u00e3o mais recente de a\u00e7o para ferramentas H10!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-leadin-hubspot-form-block\">\n\t\t\t\t\t\t<script>\n\t\t\t\t\t\t\twindow.hsFormsOnReady = window.hsFormsOnReady || [];\n\t\t\t\t\t\t\twindow.hsFormsOnReady.push(()=>{\n\t\t\t\t\t\t\t\thbspt.forms.create({\n\t\t\t\t\t\t\t\t\tportalId: 242461771,\n\t\t\t\t\t\t\t\t\tformId: \"1f7a4dcb-eb56-45e5-bd4f-5921cbf714c1\",\n\t\t\t\t\t\t\t\t\ttarget: \"#hbspt-form-1779915201000-8072388343\",\n\t\t\t\t\t\t\t\t\tregion: \"na2\",\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t})});\n\t\t\t\t\t\t<\/script>\n\t\t\t\t\t\t<div class=\"hbspt-form\" id=\"hbspt-form-1779915201000-8072388343\"><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"11-eael-table-of-content\">3. Tratamento t\u00e9rmico de a\u00e7o para ferramentas H10<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas H10, um a\u00e7o robusto para trabalho a quente \u00e0 base de cromo da s\u00e9rie H, foi projetado para aplica\u00e7\u00f5es exigentes, como forjamento a quente, extrus\u00e3o e fundi\u00e7\u00e3o sob press\u00e3o. Seu desempenho em temperaturas operacionais extremas, tipicamente de 315 \u00b0C a 650 \u00b0C (600 \u00b0F a 1200 \u00b0F), depende fortemente de um tratamento t\u00e9rmico preciso.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"12-eael-table-of-content\">3.1 As etapas cr\u00edticas no tratamento t\u00e9rmico de H10<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Alcan\u00e7ar o desempenho m\u00e1ximo do a\u00e7o para ferramentas H10 envolve v\u00e1rias etapas distintas e vitais. Cada etapa deve ser cuidadosamente controlada para desenvolver a microestrutura e as propriedades mec\u00e2nicas desejadas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"13-eael-table-of-content\">3.2 Recozimento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-annealing\/\">Recozimento<\/a> Normalmente, \u00e9 o primeiro passo para o a\u00e7o ferramenta H10. \u00c9 crucial para amolecer o a\u00e7o, facilitando a usinagem, e para criar uma microestrutura uniforme para tratamentos t\u00e9rmicos subsequentes.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prop\u00f3sito:<\/strong>&nbsp;Para amaciar o a\u00e7o para usinabilidade e criar uniformidade microestrutural.<\/li>\n\n\n\n<li><strong>Temperatura recomendada:<\/strong>&nbsp;845\u00b0C a 900\u00b0C (1550\u00b0F a 1650\u00b0F).<\/li>\n\n\n\n<li><strong>Procedimento de resfriamento:<\/strong>&nbsp;Recomenda-se um resfriamento lento a uma taxa de aproximadamente 22\u00b0C por hora (40\u00b0F por hora).<\/li>\n\n\n\n<li><strong>Dureza do alvo:<\/strong>&nbsp;O objetivo \u00e9 atingir uma dureza recozida entre 192 e 229 HB.<\/li>\n\n\n\n<li><strong>Microestrutura resultante:<\/strong>&nbsp;Um H10 devidamente recozido exibir\u00e1 carbonetos esferoidizados dispersos em uma matriz de ferrite, ideal para um tratamento eficaz&nbsp;<a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-austenite\/\">austenita<\/a>&nbsp;forma\u00e7\u00e3o e refinamento de gr\u00e3os durante o endurecimento.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"14-eael-table-of-content\">3.3 Pr\u00e9-aquecimento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O pr\u00e9-aquecimento \u00e9 uma etapa vital antes do endurecimento. Ele reduz significativamente o choque t\u00e9rmico, minimizando distor\u00e7\u00f5es ou rachaduras quando a ferramenta entra no forno de alta temperatura.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prop\u00f3sito:<\/strong>&nbsp;Para reduzir o choque t\u00e9rmico, diminuir os riscos de distor\u00e7\u00e3o\/rachaduras, aliviar as tens\u00f5es de usinagem e diminuir o tempo no forno de austenitiza\u00e7\u00e3o de alta temperatura.<\/li>\n\n\n\n<li><strong>Temperatura t\u00edpica:<\/strong>&nbsp;Em torno de 815 \u00b0C (1500 \u00b0F) \u00e9 comum. O pr\u00e9-aquecimento em etapas tamb\u00e9m pode ser ben\u00e9fico.<\/li>\n\n\n\n<li><strong>Dura\u00e7\u00e3o:<\/strong>&nbsp;Certifique-se de que toda a se\u00e7\u00e3o transversal da ferramenta esteja aquecida uniformemente.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"15-eael-table-of-content\">3.4 Austenitiza\u00e7\u00e3o (endurecimento)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A austenitiza\u00e7\u00e3o (ou t\u00eampera) envolve o aquecimento do a\u00e7o para ferramentas H10 a uma temperatura precisamente alta. Isso transforma sua microestrutura em austenita e dissolve carbonetos de liga essenciais, cruciais para a dureza e as caracter\u00edsticas de t\u00eampera secund\u00e1ria durante o revenimento.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prop\u00f3sito:<\/strong>&nbsp;Para transformar a estrutura do a\u00e7o em austenita e dissolver elementos de liga necess\u00e1rios (como cromo, molibd\u00eanio e van\u00e1dio) em solu\u00e7\u00e3o s\u00f3lida.<\/li>\n\n\n\n<li><strong>Temperatura recomendada:<\/strong>&nbsp;Geralmente entre 1010\u00b0C e 1040\u00b0C (1850\u00b0F e 1900\u00b0F).<\/li>\n\n\n\n<li><strong>Tempo de espera:<\/strong>&nbsp;Mantenha a temperatura apenas o tempo suficiente para aquecer completamente (normalmente 15 a 40 minutos ap\u00f3s atingir a temperatura). Evite imers\u00e3o prolongada em H10. A temperatura de austenitiza\u00e7\u00e3o afeta os carbonetos dissolvidos, a temperatura do MS e a austenita retida.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"16-eael-table-of-content\">3.5 T\u00eampera<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s a austenitiza\u00e7\u00e3o, r\u00e1pida <a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-quenching\/\">t\u00eampera<\/a> Resfria o a\u00e7o, transformando a austenita em martensita \u2013 a microestrutura dura e desej\u00e1vel.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prop\u00f3sito:<\/strong>&nbsp;Resfriar rapidamente o a\u00e7o, transformando a austenita em uma estrutura martens\u00edtica dura.<\/li>\n\n\n\n<li><strong>Meio de t\u00eampera recomendado:<\/strong>&nbsp;O resfriamento ao ar \u00e9 prefer\u00edvel para H10 (um grau de endurecimento ao ar), minimizando tens\u00f5es residuais e altera\u00e7\u00f5es dimensionais.<\/li>\n\n\n\n<li><strong>Alternativas para grandes se\u00e7\u00f5es:<\/strong>&nbsp;Para se\u00e7\u00f5es muito grandes, pode ser necess\u00e1rio um jato de ar ou resfriamento em \u00f3leo.<\/li>\n\n\n\n<li><strong>Nota cr\u00edtica:<\/strong>&nbsp;<strong>O a\u00e7o para ferramentas H10 nunca deve ser temperado com \u00e1gua.<\/strong><\/li>\n\n\n\n<li><strong>M\u00e9todo opcional:<\/strong>&nbsp;Um resfriamento em banho de sal (em torno de 540-595\u00b0C ou 1000-1100\u00b0F), seguido de resfriamento a ar, tamb\u00e9m \u00e9 vi\u00e1vel.<\/li>\n\n\n\n<li><strong>Microestrutura resultante:<\/strong>&nbsp;Principalmente martensita com alguma austenita retida.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"17-eael-table-of-content\">3..6 T\u00eampera<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A t\u00eampera \u00e9 a etapa final e indispens\u00e1vel ap\u00f3s a t\u00eampera. O H10 endurecido \u00e9 submetido a tens\u00f5es e pode ser quebradi\u00e7o; a t\u00eampera alivia essas tens\u00f5es e melhora significativamente a tenacidade.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prop\u00f3sito:<\/strong>&nbsp;Para aliviar tens\u00f5es internas, transforme a austenita retida, precipite carbonetos de liga fina para endurecimento secund\u00e1rio (aumentando a resist\u00eancia a quente) e melhore a tenacidade.<\/li>\n\n\n\n<li>Tempo: Revena o mais r\u00e1pido poss\u00edvel ap\u00f3s o resfriamento (de prefer\u00eancia antes de atingir a temperatura ambiente) para evitar rachaduras.<\/li>\n\n\n\n<li><strong>Faixa de temperatura t\u00edpica:<\/strong>&nbsp;550\u00b0C a 650\u00b0C (1020\u00b0F a 1200\u00b0F). O H10 apresenta um pico de endurecimento secund\u00e1rio em torno de 540\u00b0C (1000\u00b0F).<\/li>\n\n\n\n<li>T\u00eamperas m\u00faltiplas: no m\u00ednimo dois (geralmente at\u00e9 quatro) ciclos de t\u00eampera s\u00e3o essenciais para que o H10 maximize a transforma\u00e7\u00e3o da austenita retida e otimize a tenacidade.<\/li>\n\n\n\n<li><strong>Tempo de imers\u00e3o:<\/strong>&nbsp;Cada t\u00eampera deve envolver um tempo de imers\u00e3o de 2 a 4 horas.<\/li>\n\n\n\n<li><strong>Dureza de trabalho alvo:<\/strong>&nbsp;Normalmente 38 a 54 HRC, dependendo da aplica\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"18-eael-table-of-content\">3.7 Resumo dos par\u00e2metros de tratamento t\u00e9rmico do a\u00e7o para ferramentas H10<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para refer\u00eancia r\u00e1pida, os principais par\u00e2metros para o tratamento t\u00e9rmico do a\u00e7o para ferramentas H10 s\u00e3o:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Etapa do processo<\/strong><\/td><td><strong>Faixa de temperatura<\/strong><\/td><td><strong>Considera\u00e7\u00f5es importantes<\/strong><\/td><\/tr><tr><td><strong>Recozimento<\/strong><\/td><td>845-900\u00b0C (1550-1650\u00b0F)<\/td><td>Resfriamento lento a aproximadamente 22\u00b0C\/h (40\u00b0F\/h). Meta: 192-229 HB.<\/td><\/tr><tr><td><strong>Pr\u00e9-aquecimento<\/strong><\/td><td>~815\u00b0C (1500\u00b0F)<\/td><td>Aque\u00e7a uniformemente por toda parte.<\/td><\/tr><tr><td><strong>Austenitiza\u00e7\u00e3o<\/strong><\/td><td>1010-1040\u00b0C (1850-1900\u00b0F)<\/td><td>Deixe agir por 15 a 40 minutos ap\u00f3s atingir a temperatura. Evite imers\u00e3o prolongada.<\/td><\/tr><tr><td><strong>Resfriamento<\/strong><\/td><td>T\u00eampera ao ar (recomendado). Banho de sal: 540-595 \u00b0C.<\/td><td><strong>Nunca resfrie com \u00e1gua.<\/strong>&nbsp;Jato de \u00f3leo ou ar para se\u00e7\u00f5es grandes.<\/td><\/tr><tr><td><strong>T\u00eampera<\/strong><\/td><td>550-650\u00b0C (1020-1200\u00b0F)<\/td><td>Revenimento imediato ap\u00f3s a t\u00eampera. 2 a 4 ciclos, de 2 a 4 horas cada. Meta: 38-54 HRC.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"19-eael-table-of-content\">3.8 Melhorando o a\u00e7o para ferramentas H10 com tratamentos de superf\u00edcie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para aumentar ainda mais a resist\u00eancia ao desgaste, tratamentos de superf\u00edcie como nitreta\u00e7\u00e3o podem ser aplicados ao a\u00e7o para ferramentas H10.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nitreta\u00e7\u00e3o:<\/strong>&nbsp;Esse processo introduz nitrog\u00eanio na superf\u00edcie do a\u00e7o, criando uma camada externa extremamente dura (frequentemente excedendo 1000 HV).<\/li>\n\n\n\n<li><strong>Benef\u00edcios:<\/strong>&nbsp;Melhora significativamente a resist\u00eancia ao desgaste e as propriedades antigripagem.<\/li>\n\n\n\n<li><strong>Propriedades principais:<\/strong>&nbsp;A nitreta\u00e7\u00e3o \u00e9 normalmente realizada em torno de 540 \u00b0C, frequentemente abaixo ou dentro da faixa de revenimento do H10. Isso endurece a superf\u00edcie sem afetar negativamente a tenacidade e a resist\u00eancia do n\u00facleo estabelecidas pelo tratamento t\u00e9rmico pr\u00e9vio.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"20-eael-table-of-content\">4. Aplica\u00e7\u00f5es<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As propriedades balanceadas do a\u00e7o para ferramentas H10 o tornam ideal para diversas aplica\u00e7\u00f5es de trabalho com matriz a quente, otimizando as escolhas de ferramentas para opera\u00e7\u00f5es de conforma\u00e7\u00e3o de metais em alta temperatura.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"21-eael-table-of-content\">4.1 Forjamento a Quente: Criando Matrizes e Ferramentas Dur\u00e1veis com H10<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No forjamento a quente, o a\u00e7o para ferramentas H10 demonstra seu valor, especialmente para matrizes de forjamento por press\u00e3o que sofrem contato prolongado com pe\u00e7as de trabalho aquecidas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Suas capacidades incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Matrizes para forjar alum\u00ednio, magn\u00e9sio, cobre, lat\u00e3o e a\u00e7o.<\/li>\n\n\n\n<li>Pun\u00e7\u00f5es e matrizes para forjamento de alum\u00ednio (geralmente tratados termicamente a 44-48 HRC), onde o H10 serve como uma alternativa confi\u00e1vel ao H11 e ao H13.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A tenacidade e a dureza a quente do a\u00e7o para ferramentas H10 garantem longevidade e desempenho consistente nesses ambientes de forjamento exigentes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"22-eael-table-of-content\">4.2 Extrus\u00e3o a Quente: Otimizando Ferramentas com a Resili\u00eancia do H10<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas H10 \u00e9 um material frequentemente especificado para ferramentas de extrus\u00e3o a quente em uma variedade de metais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As principais aplica\u00e7\u00f5es do a\u00e7o para ferramentas H10 nesta \u00e1rea incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Matrizes de extrus\u00e3o:<\/strong>&nbsp;Para alum\u00ednio, magn\u00e9sio, cobre, lat\u00e3o e a\u00e7o.<\/li>\n\n\n\n<li><strong>Mandris:<\/strong>&nbsp;O H10 \u00e9 particularmente adequado para mandris de extrus\u00e3o a quente, especialmente com ligas de cobre, devido \u00e0 sua resist\u00eancia ao desgaste e resist\u00eancia \u00e0 temperatura.<\/li>\n\n\n\n<li><strong>Ferramentas auxiliares:<\/strong>&nbsp;Blocos fict\u00edcios, suportes e an\u00e9is de matriz para processos de extrus\u00e3o de alum\u00ednio e magn\u00e9sio tamb\u00e9m se beneficiam das propriedades do H10.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"23-eael-table-of-content\">4.3 Fundi\u00e7\u00e3o sob press\u00e3o: H10 para moldes de liga de cobre de alta temperatura<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Enquanto H11, H12 e H13 s\u00e3o comuns para fundi\u00e7\u00e3o sob press\u00e3o de alum\u00ednio e magn\u00e9sio, o a\u00e7o para ferramentas H10 \u00e9 preferido para aplica\u00e7\u00f5es que envolvem ligas de alta temperatura.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Matrizes de fundi\u00e7\u00e3o de cobre:<\/strong>&nbsp;O H10 \u00e9 especialmente recomendado para matrizes de fundi\u00e7\u00e3o de cobre. Sua capacidade de reter a dureza com efic\u00e1cia nas altas temperaturas da fundi\u00e7\u00e3o de ligas de cobre o torna a escolha preferida.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"24-eael-table-of-content\">4.4 Desempenho aprimorado com H10 modificado (H10 mod)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O H10 modificado (H10 mod) oferece uma vantagem distinta em condutividade t\u00e9rmica (aprox. 32 W\/m\u00b7K vs. 26 W\/m\u00b7K para H11\/H13). Essa dissipa\u00e7\u00e3o de calor superior \u00e9 cr\u00edtica em diversas aplica\u00e7\u00f5es de a\u00e7o para ferramentas H10:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ferramentas fortemente resfriadas a \u00e1gua:<\/strong>&nbsp;Eficaz em ferramentas menores (&lt;100 mm de espessura) que exigem extra\u00e7\u00e3o r\u00e1pida de calor.<\/li>\n\n\n\n<li><strong>Prensas de alta velocidade:<\/strong>&nbsp;Utilizado em equipamentos como as prensas Hatebur, onde o controle t\u00e9rmico \u00e9 fundamental para ciclos de produ\u00e7\u00e3o curtos.<\/li>\n\n\n\n<li><strong>Componentes automotivos endurecidos por prensagem:<\/strong>&nbsp;O mod H10 \u00e9 cada vez mais utilizado em ferramentas de t\u00eampera por press\u00e3o (estampagem a quente). A extra\u00e7\u00e3o eficiente de calor da matriz \u00e9 crucial para alcan\u00e7ar a transforma\u00e7\u00e3o martens\u00edtica desejada na pe\u00e7a.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"25-eael-table-of-content\">4.5 Resumo das aplica\u00e7\u00f5es do a\u00e7o para ferramentas H10<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A tabela abaixo descreve as aplica\u00e7\u00f5es comuns do a\u00e7o para ferramentas H10 e as principais propriedades que o tornam adequado para cada uma delas:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Categoria de aplica\u00e7\u00e3o<\/strong><\/td><td><strong>Usos espec\u00edficos do a\u00e7o para ferramentas H10<\/strong><\/td><td><strong>Propriedades H10 principais alavancadas<\/strong><\/td><td><strong>Materiais Alvo<\/strong><\/td><\/tr><tr><td>Forjamento a quente<\/td><td>Matrizes de forjamento por press\u00e3o, ferramentas de forjamento em geral, pun\u00e7\u00f5es<\/td><td>Dureza a quente, tenacidade, resist\u00eancia ao desgaste<\/td><td>Al, Mg, Cu, Lat\u00e3o, A\u00e7o<\/td><\/tr><tr><td>Extrus\u00e3o a quente<\/td><td>Matrizes de extrus\u00e3o, mandris (especialmente para ligas de cobre), blocos fict\u00edcios, suportes<\/td><td>Dureza a quente, resist\u00eancia ao desgaste em altas temperaturas, tenacidade<\/td><td>Al, Mg, Cu, Lat\u00e3o, A\u00e7o<\/td><\/tr><tr><td>Fundi\u00e7\u00e3o sob press\u00e3o<\/td><td>Matrizes espec\u00edficas para fundi\u00e7\u00e3o de cobre<\/td><td>Excelente reten\u00e7\u00e3o de dureza em alta temperatura<\/td><td>Ligas de cobre<\/td><\/tr><tr><td>Componentes Estruturais<\/td><td>Ferramentas fortemente resfriadas a \u00e1gua, ferramentas de prensagem de alta velocidade e ferramentas de t\u00eampera por prensagem<\/td><td>Alta resist\u00eancia, tenacidade<\/td><td>V\u00e1rios<\/td><\/tr><tr><td>H10 modificado (H10 mod)<\/td><td>Ferramentas fortemente resfriadas a \u00e1gua, ferramentas de prensagem de alta velocidade, ferramentas de t\u00eampera por prensagem<\/td><td>Alta condutividade t\u00e9rmica, dureza a quente, boa tenacidade<\/td><td>V\u00e1rios (extra\u00e7\u00e3o de calor)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"26-eael-table-of-content\">5. Graus equivalentes de a\u00e7o para ferramentas H10<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIN (Alemanha):<\/strong>&nbsp;1,2365 (tamb\u00e9m conhecido como 32CrMoV12-28)<\/li>\n\n\n\n<li><strong>AFNOR (Fran\u00e7a):<\/strong>&nbsp;32 DCV 28 ou 32CDV12-28<\/li>\n\n\n\n<li><strong>JIS (Jap\u00e3o):<\/strong>&nbsp;SKD7<\/li>\n\n\n\n<li><strong>BS (Padr\u00e3o Brit\u00e2nico):<\/strong>&nbsp;BH10<\/li>\n\n\n\n<li><strong>UNS (Sistema Unificado de Numera\u00e7\u00e3o):<\/strong>&nbsp;T20810<\/li>\n\n\n\n<li><strong>GB(China)<\/strong>: 4Cr3Mo3SiV<\/li>\n<\/ul>\n\n\n<ol class=\"wp-block-footnotes\"><li id=\"10b4208e-d036-446c-b0d1-6770a02c0b2e\">Bringas, JE (Ed.). (2004). <em>Manual de padr\u00f5es comparativos de a\u00e7o mundial<\/em> (3\u00aa ed.). ASTM Internacional. <a href=\"#10b4208e-d036-446c-b0d1-6770a02c0b2e-link\" aria-label=\"Ir para a refer\u00eancia 1 na nota de rodap\u00e9\">\u21a9\ufe0e<\/a><\/li><\/ol>\n\n\n<div class=\"wp-block-group has-ast-global-color-8-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading has-text-align-center\">Procurando por a\u00e7o para ferramentas H10 premium?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Com mais de&nbsp;<strong>20 anos de experi\u00eancia em forjamento<\/strong>A Aobo Steel fornece a\u00e7o para ferramentas H10 de alta qualidade, sob medida para suas especifica\u00e7\u00f5es exatas. Nossa equipe experiente est\u00e1 pronta para fornecer as melhores solu\u00e7\u00f5es em materiais e suporte t\u00e9cnico.<\/p>\n\n\n\n<p class=\"has-text-align-center has-ast-global-color-0-color has-text-color has-link-color wp-elements-fa2ff7dcc9773be472c122c82dda2075 wp-block-paragraph\"><strong>&nbsp;Entre em contato conosco hoje mesmo! Preencha o formul\u00e1rio abaixo para receber um or\u00e7amento personalizado ou uma consulta especializada.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-leadin-hubspot-form-block\">\n\t\t\t\t\t\t<script>\n\t\t\t\t\t\t\twindow.hsFormsOnReady = window.hsFormsOnReady || [];\n\t\t\t\t\t\t\twindow.hsFormsOnReady.push(()=>{\n\t\t\t\t\t\t\t\thbspt.forms.create({\n\t\t\t\t\t\t\t\t\tportalId: 242461771,\n\t\t\t\t\t\t\t\t\tformId: \"1f7a4dcb-eb56-45e5-bd4f-5921cbf714c1\",\n\t\t\t\t\t\t\t\t\ttarget: \"#hbspt-form-1779915201000-9053288457\",\n\t\t\t\t\t\t\t\t\tregion: \"na2\",\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t})});\n\t\t\t\t\t\t<\/script>\n\t\t\t\t\t\t<div class=\"hbspt-form\" id=\"hbspt-form-1779915201000-9053288457\"><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Forged H10 \\\/ 1.2365 \\\/ SKD7 Hot Work Tool Steel Round Bar\",\n    \"image\": \"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/H10-tool-steel.avif\",\n    \"description\": \"Premium Forged H10 (1.2365 \\\/ SKD7) Hot Work Tool Steel directly from Aobo Steel factory. Excellent thermal shock resistance and high temperature strength. Ideal for heavy duty die casting and forging dies. 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The equivalent grades are DIN (Germany) 1.2365, JIS (Japan) SKD7, and GB (China) 4Cr3Mo3SiV. 1. H10 Tool Steel Chemical Composition1 C Mn Si P S Cr Mo Others 0.35-0.45% 0.20-0.70% 0.80-1.25% 0.03% 0.03% 3.00-3.75% 2.00-3.00% V 0.25-0.75%; Ni+Cu 0.75% 2. 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E. (Ed.). (2004). <em>Handbook of comparative world steel standards<\/em> (3rd ed.). ASTM International.\",\"id\":\"10b4208e-d036-446c-b0d1-6770a02c0b2e\"}]"},"class_list":["post-9406","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>H10 Tool Steel | 1.2365 | SKD7 | AoboSteel<\/title>\n<meta name=\"description\" content=\"H10 is a chromium-base hot-work tool steel within the AISI H series. 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