{"id":11750,"date":"2025-12-26T13:00:33","date_gmt":"2025-12-26T05:00:33","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11750"},"modified":"2026-04-02T14:05:32","modified_gmt":"2026-04-02T06:05:32","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":"<div class=\"wp-block-uagb-container uagb-block-5676d028 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-bending-and-forming-dies\">Sele\u00e7\u00e3o de a\u00e7o ferramenta para matrizes de dobra e conforma\u00e7\u00e3o<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Matrizes de dobra e conforma\u00e7\u00e3o deformam plasticamente a chapa met\u00e1lica ao longo de um eixo definido. Durante a conforma\u00e7\u00e3o, o raio interno \u00e9 comprimido enquanto o raio externo fica sob tens\u00e3o. Sob opera\u00e7\u00e3o repetida, os efeitos combinados do contato deslizante e das for\u00e7as laterais levam a tr\u00eas modos de falha principais: desgaste abrasivo, engripamento causado pela ades\u00e3o do material e trincas ou danos nas bordas relacionados \u00e0 fadiga.<\/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 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\n\n\n<p class=\"wp-block-paragraph\">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\n\n\n<p class=\"wp-block-paragraph\">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\n\n\n<p class=\"wp-block-paragraph\">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\n\n\n<p class=\"wp-block-paragraph\">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\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-2321b96e\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-a2-tool-steel-1-2363-skd12\">A\u00e7o ferramenta AISI A2 | 1.2363 | SKD12<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">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\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 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\/a2-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento de material A2.<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-2321b96e\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-d2-tool-steel-1-2379-skd11\">A\u00e7o ferramenta AISI D2 | 1.2379 | SKD11<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">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\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 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\/d2-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento de materiais D2<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-2321b96e\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-o1-tool-steel-1-2510-sks3\">A\u00e7o ferramenta AISI O1 | 1.2510 | SKS3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">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\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 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\/o1-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento de material O1<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-2321b96e\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-s7-tool-steel-supplier-din-1-2355\">Fornecedor de a\u00e7o ferramenta AISI S7 | DIN 1.2355<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">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\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 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\/s7-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento de materiais S7<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-2321b96e\">\n<h3 class=\"wp-block-heading\">Grau W1 (A\u00e7o ferramenta temper\u00e1vel em \u00e1gua)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">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\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 (HRC)<\/td><td>Vantagem prim\u00e1ria<\/td><td>Ideal para<\/td><\/tr><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><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><tr><td>O1<\/td><td>58-60<\/td><td>Baixo custo e boa usinabilidade<\/td><td>Tiragens curtas, ferramentas simples.<\/td><\/tr><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><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><\/tbody><\/table><\/figure>\n<\/div><\/div>","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. During forming, the inner radius is compressed while the outer radius is in tension. Under repeated operation, the combined effects of sliding contact and lateral forces lead to three dominant failure modes: abrasive wear, [&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 v27.9 (Yoast SEO v27.9) - 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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During forming, the inner radius is compressed while the outer radius is in tension. Under repeated operation, the combined effects of sliding contact and lateral forces lead to three dominant failure modes: abrasive wear,&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 Bending and Forming Dies Bending and forming dies plastically deform sheet metal along a defined axis. During forming, the inner radius is compressed while the outer radius is in tension. 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