{"id":11710,"date":"2025-12-24T11:54:38","date_gmt":"2025-12-24T03:54:38","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11710"},"modified":"2026-09-24T07:23:35","modified_gmt":"2026-09-23T23:23:35","slug":"tool-steel-selection-for-blanking-and-piercing-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/tool-steel-selection-for-blanking-and-piercing-dies\/","title":{"rendered":"Sele\u00e7\u00e3o de a\u00e7o ferramenta para matrizes de corte e perfura\u00e7\u00e3o"},"content":{"rendered":"<section class=\"aobo-blanking-piercing-dies-page\">\n  <style>\n\n\n\n    .aobo-blanking-piercing-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   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id=\"h-tool-steel-selection-for-blanking-and-piercing-dies\">Sele\u00e7\u00e3o de a\u00e7o ferramenta para matrizes de corte e perfura\u00e7\u00e3o<\/h1>\n      <p>As matrizes de corte e perfura\u00e7\u00e3o operam sob uma combina\u00e7\u00e3o de alta tens\u00e3o compressiva, libera\u00e7\u00e3o repentina da fratura e contato repetido da aresta de corte com o material da pe\u00e7a. Quando o pun\u00e7\u00e3o penetra na chapa, a aresta de corte \u00e9 exposta \u00e0 press\u00e3o, atrito, aquecimento localizado e impacto no momento da ruptura. Como resultado, essas ferramentas geralmente falham de duas maneiras: a aresta se desgasta progressivamente ou sofre lascamento e trincamento sob carga de choque.<\/p>\n      <p>Por essa raz\u00e3o, a sele\u00e7\u00e3o do a\u00e7o ferramenta para matrizes de corte e perfura\u00e7\u00e3o n\u00e3o se resume a escolher a classe mais dura ou a mais resistente ao desgaste. O verdadeiro desafio \u00e9 adequar o a\u00e7o ao modo de falha predominante na produ\u00e7\u00e3o.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <h2>Princ\u00edpio Central de Sele\u00e7\u00e3o<\/h2>\n      <p>O principal problema na sele\u00e7\u00e3o de matrizes de corte e perfura\u00e7\u00e3o \u00e9 equilibrar a resist\u00eancia ao desgaste e a tenacidade.<\/p>\n      <p>Se a resist\u00eancia ao desgaste for muito baixa, a aresta perde o fio rapidamente. As rebarbas aumentam, as dimens\u00f5es da pe\u00e7a se alteram e a frequ\u00eancia de reafia\u00e7\u00e3o aumenta. Se a tenacidade for muito baixa, a aresta n\u00e3o tolera o impacto de ruptura, e o lascamento ou o trincamento come\u00e7am muito antes de se atingir a vida \u00fatil normal de desgaste.<\/p>\n      <p>Isso significa que a classe correta depende principalmente de tr\u00eas condi\u00e7\u00f5es de produ\u00e7\u00e3o: volume de produ\u00e7\u00e3o, espessura do material e severidade do impacto durante o corte. Aplica\u00e7\u00f5es de alto volume e abrasivas direcionam a sele\u00e7\u00e3o para maior resist\u00eancia ao desgaste. Material espesso, carregamento inst\u00e1vel ou impacto severo durante a ruptura direcionam a sele\u00e7\u00e3o para maior tenacidade.<\/p>\n      <h2>Sele\u00e7\u00e3o de a\u00e7os ferramenta comuns<\/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 a\u00e7o A2 \u00e9 uma escolha equilibrada para matrizes de corte e perfura\u00e7\u00e3o que operam sob desgaste e impacto moderados. Oferece maior tenacidade que o D2 e melhor resist\u00eancia ao desgaste que a\u00e7os resistentes a choques, como o S7. Isso o torna adequado para lotes de produ\u00e7\u00e3o m\u00e9dios, nos quais a matriz deve resistir tanto ao desgaste da aresta quanto a impactos ocasionais, sem se tornar excessivamente fr\u00e1gil.<\/p>\n        <p>A op\u00e7\u00e3o A2 costuma ser escolhida quando a aplica\u00e7\u00e3o n\u00e3o exige claramente resist\u00eancia m\u00e1xima ao desgaste ou resist\u00eancia m\u00e1xima a impactos.<\/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 D2 \u00e9 utilizado quando o desgaste abrasivo \u00e9 a principal causa de falha da matriz. Seu alto teor de carbonetos proporciona uma forte reten\u00e7\u00e3o de fio, o que \u00e9 valioso em longas s\u00e9ries de produ\u00e7\u00e3o e em opera\u00e7\u00f5es onde a manuten\u00e7\u00e3o da geometria da aresta de corte \u00e9 cr\u00edtica.<\/p>\n        <p>No entanto, o a\u00e7o D2 \u00e9 menos tolerante a impactos de ruptura do que o A2 ou o S7. Em matrizes de corte e perfura\u00e7\u00e3o submetidas a materiais espessos, condi\u00e7\u00f5es de prensa inst\u00e1veis ou cargas de alto impacto, o D2 tem maior probabilidade de lascamento na aresta. Portanto, \u00e9 mais adequado para trabalhos de alto volume, onde a carga \u00e9 relativamente est\u00e1vel e o controle do desgaste \u00e9 mais importante do que a resist\u00eancia a impactos.<\/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-s7-tool-steel-1-2550\">A\u00e7o ferramenta AISI S7 | 1.2550<\/h3>\n        <p>O a\u00e7o S7 \u00e9 escolhido quando a falha da matriz \u00e9 causada por impacto e n\u00e3o por desgaste. Sua principal vantagem \u00e9 a tenacidade. Em aplica\u00e7\u00f5es de perfura\u00e7\u00e3o pesada, em materiais espessos ou em casos onde pun\u00e7\u00f5es e bordas da matriz tendem a rachar inesperadamente, o a\u00e7o S7 costuma ser a op\u00e7\u00e3o mais segura.<\/p>\n        <p>A desvantagem \u00e9 uma menor resist\u00eancia ao desgaste. Em outras palavras, o a\u00e7o S7 geralmente dura mais tempo contra quebras, mas n\u00e3o tanto contra o desgaste abrasivo da aresta. Ele \u00e9 selecionado para evitar falhas catastr\u00f3ficas, n\u00e3o para maximizar a vida \u00fatil da aresta em opera\u00e7\u00e3o abrasiva.<\/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 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 uma op\u00e7\u00e3o pr\u00e1tica para lotes de produ\u00e7\u00e3o de curto a m\u00e9dio porte, onde o n\u00edvel de carga n\u00e3o \u00e9 severo e o custo do ferramental precisa ser controlado. Ele oferece resist\u00eancia ao desgaste suficiente e tenacidade adequada para corte e perfura\u00e7\u00e3o em geral, mas n\u00e3o \u00e9 a solu\u00e7\u00e3o ideal para volumes de produ\u00e7\u00e3o muito altos ou condi\u00e7\u00f5es de choque severo.<\/p>\n        <p>Normalmente, o a\u00e7o O1 \u00e9 escolhido para ferramental econ\u00f4mico, e n\u00e3o para maximizar a vida \u00fatil da matriz em condi\u00e7\u00f5es de opera\u00e7\u00e3o exigentes.<\/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-m2-tool-steel-1-3343-skh51\">A\u00e7o ferramenta AISI M2 | 1.3343 | SKH51<\/h3>\n        <p>O a\u00e7o M2 \u00e9 utilizado em aplica\u00e7\u00f5es de corte e perfura\u00e7\u00e3o mais exigentes, onde a alta resist\u00eancia ao desgaste deve ser combinada com uma forte resist\u00eancia \u00e0 compress\u00e3o. \u00c9 especialmente relevante em produ\u00e7\u00f5es de grande volume ou em materiais mais espessos, onde os a\u00e7os convencionais para trabalho a frio podem perder o desempenho de corte muito rapidamente.<\/p>\n        <p>Em compara\u00e7\u00e3o com o D2, o M2 pode oferecer maior sustenta\u00e7\u00e3o em aplica\u00e7\u00f5es em que o desgaste da aresta e o trabalho pesado importam igualmente. J\u00e1 em compara\u00e7\u00e3o com o S7, ele \u00e9 a escolha ideal quando a resist\u00eancia ao desgaste \u00e9 mais importante do que a resist\u00eancia a impactos.<\/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\/m2-tool-steel\/\">Veja os detalhes de fornecimento do material M2<\/a>\n        <\/div>\n      <\/div>\n      <h2>L\u00f3gica de Sele\u00e7\u00e3o Pr\u00e1tica<\/h2>\n      <p>Em termos pr\u00e1ticos, a sele\u00e7\u00e3o de matrizes de corte e perfura\u00e7\u00e3o pode ser simplificada da seguinte forma.<\/p>\n      <p>Quando a matriz falha principalmente devido ao desgaste progressivo das bordas, D2 ou M2 geralmente s\u00e3o as melhores op\u00e7\u00f5es. Quando a falha ocorre principalmente devido a lascamento, trincamento ou quebra repentina, S7 \u00e9 uma escolha mais adequada. Quando a aplica\u00e7\u00e3o se situa entre esses extremos, A2 costuma ser a solu\u00e7\u00e3o mais equilibrada. Quando a demanda de produ\u00e7\u00e3o \u00e9 limitada e a economia de ferramental \u00e9 a principal preocupa\u00e7\u00e3o, O1 ainda pode ser uma op\u00e7\u00e3o vi\u00e1vel.<\/p>\n      <p>Esta \u00e9 a forma mais \u00fatil de selecionar a\u00e7o ferramenta para matrizes de corte e perfura\u00e7\u00e3o, pois parte do comportamento real de falha em vez de compara\u00e7\u00f5es abstratas de propriedades. A folga com que a matriz opera determina a carga sobre essas arestas de corte, e as faixas utilizadas para materiais de chapa comuns, com as f\u00f3rmulas de for\u00e7a por tr\u00e1s delas, est\u00e3o apresentadas no <a href=\"https:\/\/aobosteel.com\/pt\/die-clearance-and-cutting-force-chart\/\">gr\u00e1fico de folga da matriz e for\u00e7a de corte<\/a>.<\/p>\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 de trabalho t\u00edpica<\/th><th>Principal motivo de sele\u00e7\u00e3o<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>A2<\/td><td>58\u201360 HRC<\/td><td>Equil\u00edbrio entre resist\u00eancia ao desgaste e tenacidade para matrizes de corte e perfura\u00e7\u00e3o de m\u00e9dia exig\u00eancia.<\/td><\/tr>\n            <tr><td>D2<\/td><td>58\u201360 HRC<\/td><td>Alta resist\u00eancia ao desgaste em longas s\u00e9ries de produ\u00e7\u00e3o sob carga relativamente est\u00e1vel.<\/td><\/tr>\n            <tr><td>S7<\/td><td>56\u201358 HRC<\/td><td>Alta tenacidade para impactos severos, materiais espessos ou aplica\u00e7\u00f5es suscet\u00edveis a lascamento<\/td><\/tr>\n            <tr><td>O1<\/td><td>58\u201360 HRC<\/td><td>Op\u00e7\u00e3o econ\u00f4mica para ferramental de uso geral ou lotes menores.<\/td><\/tr>\n            <tr><td>M2<\/td><td>60\u201362 HRC<\/td><td>Alta resist\u00eancia ao desgaste e \u00e0 compress\u00e3o para condi\u00e7\u00f5es de produ\u00e7\u00e3o exigentes.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <h2>Conclus\u00e3o<\/h2>\n      <p>A sele\u00e7\u00e3o do a\u00e7o ferramenta para matrizes de corte e perfura\u00e7\u00e3o deve ser baseada em como a matriz realmente falha em opera\u00e7\u00e3o.<\/p>\n      <p>Se o principal problema for o desgaste da aresta, a sele\u00e7\u00e3o deve priorizar a\u00e7os com maior resist\u00eancia ao desgaste. Se o principal problema for lascamento ou fratura, a\u00e7os com maior tenacidade s\u00e3o mais apropriados. Uma vez que essa distin\u00e7\u00e3o esteja clara, a escolha entre A2, D2, S7, O1 e M2 torna-se muito mais direta e tecnicamente justificada.<\/p>\n    <\/main>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Tool Steel Selection for Blanking and Piercing Dies Blanking and piercing dies work under a combination of high compressive stress, sudden fracture release, and repeated edge contact with the work material. When the punch penetrates the sheet, the cutting edge is exposed to pressure, friction, localized heating, and impact at breakthrough. As a result, these [&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-11710","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>Tool Steel Selection for Blanking and Piercing Dies | AoboSteel<\/title>\n<meta name=\"description\" content=\"Learn how to select tool steel for blanking and piercing dies based on wear and shock conditions. 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