{"id":11750,"date":"2025-12-26T13:00:33","date_gmt":"2025-12-26T05:00:33","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11750"},"modified":"2026-09-29T21:43:07","modified_gmt":"2026-09-29T13:43:07","slug":"selection-of-tool-steel-for-bending-and-forming-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-bending-and-forming-dies\/","title":{"rendered":"Guia de Sele\u00e7\u00e3o de A\u00e7o para Matrizes de Dobra e Conforma\u00e7\u00e3o | Fornecedor de A\u00e7o Ferramenta A2 D2 S7"},"content":{"rendered":"<section class=\"aobo-selection-of-tool-steel-for-bending-and-forming-dies-page\">\n<style>\n\n\n\n\n\n\n\n    .aobo-selection-of-tool-steel-for-bending-and-forming-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      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     min-width: 0;\n      }\n    }\n\n    @media (max-width: 520px) {\n      .aobo-selection-of-tool-steel-for-bending-and-forming-dies-page .aobo-table th,\n      .aobo-selection-of-tool-steel-for-bending-and-forming-dies-page .aobo-table td {\n        padding: 11px 12px;\n        font-size: 14px;\n      }\n    }\n  \n  \n  \n  \n  \n  \n  <\/style>\n\n  <div class=\"aobo-wrap\">\n    <header class=\"aobo-hero\">\n      <h1 id=\"h-selection-of-tool-steel-for-bending-and-forming-dies\">Sele\u00e7\u00e3o de a\u00e7o ferramenta para matrizes de dobra e conforma\u00e7\u00e3o<\/h1>\n      <p>Matrizes de dobra e conforma\u00e7\u00e3o deformam plasticamente chapas met\u00e1licas ao longo de um eixo definido. Quanto do \u00e2ngulo de dobra retorna ap\u00f3s a libera\u00e7\u00e3o da carga, e quanto de metal o blank necessita para a dobra, est\u00e3o descritos na <a href=\"https:\/\/aobosteel.com\/pt\/springback-and-bend-allowance\/\">Retorno el\u00e1stico e toler\u00e2ncia de dobra<\/a> refer\u00eancia. Durante a conforma\u00e7\u00e3o, o raio interno \u00e9 comprimido enquanto o raio externo est\u00e1 em tra\u00e7\u00e3o. Sob opera\u00e7\u00e3o repetida, os efeitos combinados de contato deslizante e for\u00e7as laterais levam a tr\u00eas modos de falha dominantes: desgaste abrasivo, engripamento causado por ades\u00e3o de material, e trincamento ou dano de borda relacionado \u00e0 fadiga.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <h2>Fatores de sele\u00e7\u00e3o<\/h2>\n      <p>A sele\u00e7\u00e3o de a\u00e7o ferramenta para matrizes de dobra e conforma\u00e7\u00e3o \u00e9 essencialmente um equil\u00edbrio entre resist\u00eancia ao desgaste e tenacidade, com aten\u00e7\u00e3o adicional ao comportamento de engripamento e \u00e0 distor\u00e7\u00e3o durante o tratamento t\u00e9rmico.<\/p>\n      <p>A resist\u00eancia ao desgaste determina a capacidade da matriz de manter a geometria de suas arestas sob contato deslizante cont\u00ednuo. Quando a resist\u00eancia ao desgaste \u00e9 insuficiente, as arestas se arredondam rapidamente, a precis\u00e3o dimensional \u00e9 perdida e a vida \u00fatil da ferramenta cai drasticamente em produ\u00e7\u00f5es de alto volume.<\/p>\n      <p>A tenacidade controla a capacidade da matriz de resistir a rachaduras e lascas nas bordas sob cargas c\u00edclicas e empuxo lateral. Isso se torna crucial em se\u00e7\u00f5es mais espessas, condi\u00e7\u00f5es de conforma\u00e7\u00e3o inst\u00e1veis ou configura\u00e7\u00f5es onde o alinhamento n\u00e3o pode ser perfeitamente controlado.<\/p>\n      <p>A compatibilidade da superf\u00edcie est\u00e1 diretamente relacionada ao comportamento de engripamento. Em ambientes com baixa lubrifica\u00e7\u00e3o, a ades\u00e3o entre a pe\u00e7a e a superf\u00edcie da matriz pode levar \u00e0 ader\u00eancia de material, conforma\u00e7\u00e3o inst\u00e1vel e defeitos superficiais na pe\u00e7a final.<\/p>\n      <p>As restri\u00e7\u00f5es de fabrica\u00e7\u00e3o est\u00e3o principalmente ligadas \u00e0 resposta ao tratamento t\u00e9rmico. Os a\u00e7os de endurecimento ao ar s\u00e3o geralmente preferidos porque reduzem a distor\u00e7\u00e3o e melhoram a estabilidade dimensional, enquanto os a\u00e7os de endurecimento em \u00f3leo ou \u00e1gua s\u00e3o normalmente limitados a geometrias mais simples, onde o risco de distor\u00e7\u00e3o \u00e9 control\u00e1vel.<\/p>\n      <h2>A\u00e7os-ferramenta recomendados<\/h2>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-a2-tool-steel-1-2363-skd12\">A\u00e7o ferramenta AISI A2 | 1.2363 | SKD12<\/h3>\n        <p>O A2 \u00e9 normalmente usado como material base quando nenhum modo de falha espec\u00edfico predomina. Com dureza de 58\u201362 HRC, ele mant\u00e9m um equil\u00edbrio pr\u00e1tico entre resist\u00eancia ao desgaste e tenacidade, permitindo um desempenho confi\u00e1vel em uma ampla gama de condi\u00e7\u00f5es de conforma\u00e7\u00e3o. Sua caracter\u00edstica de endurecimento ao ar reduz a distor\u00e7\u00e3o durante o tratamento t\u00e9rmico, tornando-o adequado para matrizes que exigem dimens\u00f5es est\u00e1veis. Na maioria das aplica\u00e7\u00f5es de m\u00e9dio volume com condi\u00e7\u00f5es de carregamento relativamente est\u00e1veis, o A2 proporciona um desempenho consistente e previs\u00edvel.<\/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\/a2-tool-steel\/\">Veja os detalhes de fornecimento do material A2<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-d2-tool-steel-1-2379-skd11\">A\u00e7o ferramenta AISI D2 | 1.2379 | SKD11<\/h3>\n        <p>O a\u00e7o D2 \u00e9 escolhido quando o desgaste se torna o principal fator limitante na vida \u00fatil da ferramenta. Seu alto teor de carbonetos melhora significativamente a resist\u00eancia ao desgaste abrasivo, tornando-o adequado para longas s\u00e9ries de produ\u00e7\u00e3o e materiais que aceleram o desgaste superficial. No entanto, essa mesma estrutura de carbonetos reduz a tenacidade, aumentando o risco de lascamento ou trincas se a matriz for exposta a impactos, cargas laterais ou condi\u00e7\u00f5es de conforma\u00e7\u00e3o inst\u00e1veis. Como resultado, o D2 apresenta melhor desempenho em processos controlados, onde o desgaste \u00e9 predominante e o choque mec\u00e2nico \u00e9 limitado.<\/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\/d2-tool-steel\/\">Veja os detalhes de fornecimento do material D2<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-o1-tool-steel-1-2510-sks3\">A\u00e7o ferramenta AISI O1 | 1.2510 | SKS3<\/h3>\n        <p>O a\u00e7o O1 \u00e9 geralmente utilizado em aplica\u00e7\u00f5es onde o controle de custos e a usinabilidade s\u00e3o mais importantes do que a durabilidade m\u00e1xima. Com uma dureza de trabalho de 58\u201360 HRC, oferece desempenho suficiente para aplica\u00e7\u00f5es menos exigentes, mas n\u00e3o atinge a resist\u00eancia ao desgaste de a\u00e7os de liga mais alta. \u00c9 mais pr\u00e1tico para lotes de produ\u00e7\u00e3o de curta a m\u00e9dia dura\u00e7\u00e3o, especialmente quando a geometria das ferramentas \u00e9 simples e as condi\u00e7\u00f5es de conforma\u00e7\u00e3o n\u00e3o s\u00e3o severas.<\/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\/o1-tool-steel\/\">Veja os detalhes de fornecimento do material O1<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-s7-tool-steel-supplier-din-1-2355\">Fornecedor de a\u00e7o ferramenta AISI S7 | DIN 1.2355<\/h3>\n        <p>O a\u00e7o S7 torna-se necess\u00e1rio quando a falha da ferramenta \u00e9 causada por trincas em vez de desgaste. Ele mant\u00e9m alta tenacidade mesmo em n\u00edveis de dureza de trabalho de 54\u201358 HRC, permitindo absorver impactos e resistir \u00e0 fratura sob cargas de conforma\u00e7\u00e3o elevadas. Em opera\u00e7\u00f5es que envolvem se\u00e7\u00f5es espessas, alta for\u00e7a ou desalinhamento inevit\u00e1vel, o S7 oferece um n\u00edvel de confiabilidade que os a\u00e7os para trabalho a frio padr\u00e3o n\u00e3o conseguem alcan\u00e7ar, embora isso tenha como contrapartida uma menor resist\u00eancia ao desgaste.<\/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\/s7-tool-steel\/\">Veja os detalhes de fornecimento do material S7<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3>Grau W1 (A\u00e7o ferramenta temper\u00e1vel em \u00e1gua)<\/h3>\n        <p>O a\u00e7o W1 \u00e9 limitado a aplica\u00e7\u00f5es simples e de baixo custo, onde a precis\u00e3o dimensional n\u00e3o \u00e9 cr\u00edtica. Embora possa atingir alta dureza superficial, o risco de distor\u00e7\u00e3o durante o resfriamento em \u00e1gua restringe seu uso a geometrias descomplicadas e pequenos lotes de produ\u00e7\u00e3o. Normalmente, \u00e9 escolhido apenas quando as restri\u00e7\u00f5es or\u00e7ament\u00e1rias superam os requisitos de desempenho.<\/p>\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 (HRC)<\/th><th>Vantagem prim\u00e1ria<\/th><th>Ideal para<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>A2<\/td><td>58\u201362<\/td><td>Equil\u00edbrio entre resist\u00eancia ao desgaste e tenacidade; baixa distor\u00e7\u00e3o.<\/td><td>Forma\u00e7\u00e3o de uso geral, lotes m\u00e9dios<\/td><\/tr>\n            <tr><td>D2<\/td><td>58\u201362<\/td><td>Alta resist\u00eancia ao desgaste<\/td><td>Produ\u00e7\u00e3o em grande volume com condi\u00e7\u00f5es est\u00e1veis<\/td><\/tr>\n            <tr><td>O1<\/td><td>58-60<\/td><td>Baixo custo e boa usinabilidade<\/td><td>Tiragens curtas, ferramentas simples.<\/td><\/tr>\n            <tr><td>S7<\/td><td>54\u201358<\/td><td>Alta resist\u00eancia a rachaduras e impactos.<\/td><td>Conforma\u00e7\u00e3o pesada, condi\u00e7\u00f5es inst\u00e1veis<\/td><\/tr>\n            <tr><td>W1<\/td><td>58\u201364 (Caso)<\/td><td>Baixo custo, alta dureza superficial<\/td><td>Formas simples, aplica\u00e7\u00f5es de baixa precis\u00e3o<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/main>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Selection of Tool Steel for Bending and Forming Dies Bending and forming dies plastically deform sheet metal along a defined axis. How much of the bend angle comes back after the load is released, and how much metal the blank needs for the bend, are set out in the springback and bend allowance reference. During [&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-11750","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>Bending &amp; Forming Die Steel Selection Guide | A2 D2 S7 Tool Steel Supplier<\/title>\n<meta name=\"description\" content=\"Select the right tool steel for bending and forming dies based on wear, toughness, and galling conditions. 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