{"id":12037,"date":"2026-01-11T16:07:43","date_gmt":"2026-01-11T08:07:43","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12037"},"modified":"2026-10-08T07:47:20","modified_gmt":"2026-10-07T23:47:20","slug":"selection-of-tool-steel-for-trimming-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-trimming-dies\/","title":{"rendered":"A\u00e7o ferramenta para sele\u00e7\u00e3o de matrizes de corte | Fornecedor de D2, A2, S7 e H13"},"content":{"rendered":"<section class=\"aobo-trimming-dies-page\">\n  <style>\n\n\n    .aobo-trimming-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      padding: 0;\n      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Dependendo do processo, o acabamento pode ser realizado a frio (tipicamente abaixo de 150 \u00b0C \/ 300 \u00b0F) ou a quente (at\u00e9 980 \u00b0C \/ 1800 \u00b0F para certas ligas). A lista de graus para o caso a quente est\u00e1 no <a href=\"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-hot-trimming-dies\/\">guia de sele\u00e7\u00e3o de a\u00e7o para matrizes de acabamento a quente<\/a>.<\/p>\n      <p>Durante a opera\u00e7\u00e3o, a aresta de corte \u00e9 submetida a altas tens\u00f5es de cisalhamento, cargas de impacto e atrito cont\u00ednuo. Em aplica\u00e7\u00f5es de forjamento, a camada de \u00f3xido acelera ainda mais o desgaste abrasivo. Como resultado, a falha da matriz de corte \u00e9 geralmente causada por lascamento da aresta, fratura ou degrada\u00e7\u00e3o r\u00e1pida da mesma, em vez de desgaste uniforme.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <h2>Fatores de sele\u00e7\u00e3o<\/h2>\n      <p>A sele\u00e7\u00e3o do a\u00e7o ferramenta para matrizes de corte \u00e9 regida pelo equil\u00edbrio entre resist\u00eancia ao desgaste e tenacidade, bem como pela estabilidade t\u00e9rmica durante opera\u00e7\u00f5es a quente.<\/p>\n      <h3>Resist\u00eancia ao desgaste versus tenacidade<\/h3>\n      <p>A aresta de corte deve resistir ao desgaste abrasivo causado pela oxida\u00e7\u00e3o e pelo material da pe\u00e7a para manter o fio de corte e a precis\u00e3o dimensional.<\/p>\n      <p>No entanto, maior dureza e teor de carbonetos reduzem a tenacidade. Em opera\u00e7\u00f5es de corte \u2014 especialmente com se\u00e7\u00f5es espessas, carga desigual ou desalinhamento \u2014 cargas de impacto s\u00e3o inevit\u00e1veis. Se a tenacidade for insuficiente, a falha ocorre como lascamento da borda ou fratura fr\u00e1gil, em vez de desgaste gradual.<\/p>\n      <p>O requisito n\u00e3o \u00e9 a dureza m\u00e1xima, mas sim um equil\u00edbrio que mantenha a estabilidade da l\u00e2mina tanto sob abras\u00e3o quanto sob impacto.<\/p>\n      <h3>Dureza a quente e resist\u00eancia a fissuras t\u00e9rmicas<\/h3>\n      <p>No corte a quente, os efeitos t\u00e9rmicos tornam-se cr\u00edticos.<\/p>\n      <p>O a\u00e7o ferramenta deve manter sua resist\u00eancia em altas temperaturas para evitar deforma\u00e7\u00f5es nas bordas. Ao mesmo tempo, ciclos repetidos de aquecimento e resfriamento geram fadiga t\u00e9rmica, levando ao surgimento de fissuras superficiais (trincas t\u00e9rmicas).<\/p>\n      <p>Uma vez iniciadas, as fissuras propagam-se sob tens\u00e3o mec\u00e2nica, acelerando a falha da aresta de corte. Portanto, a resist\u00eancia ao amolecimento t\u00e9rmico e \u00e0 fadiga t\u00e9rmica determina diretamente a vida \u00fatil da ferramenta em condi\u00e7\u00f5es de corte a quente.<\/p>\n      <h2>A\u00e7os-ferramenta recomendados<\/h2>\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 AISI D2 \u00e9 amplamente utilizado onde o desgaste abrasivo \u00e9 o fator dominante, particularmente em <a href=\"https:\/\/aobosteel.com\/pt\/forging-trimming-and-punching-die-materials\/\">Rebarba\u00e7\u00e3o a frio<\/a> opera\u00e7\u00f5es com longos ciclos de produ\u00e7\u00e3o.<\/p>\n        <p>Seu alto teor de carbono e cromo produz um grande volume de carbonetos duros, proporcionando forte resist\u00eancia \u00e0 abras\u00e3o e excelente reten\u00e7\u00e3o de fio. Normalmente utilizado com dureza de 58\u201360 HRC, o a\u00e7o D2 mant\u00e9m o desempenho de corte por ciclos prolongados.<\/p>\n        <p>Devido \u00e0 sua limitada resist\u00eancia mec\u00e2nica, o a\u00e7o D2 n\u00e3o \u00e9 adequado para condi\u00e7\u00f5es de impacto severo. Ele pode ser usado em aplica\u00e7\u00f5es restritas de corte a quente (como em a\u00e7os inoxid\u00e1veis), onde a resist\u00eancia ao desgaste \u00e9 mais cr\u00edtica do que a resist\u00eancia \u00e0 fadiga t\u00e9rmica, mas n\u00e3o \u00e9 uma solu\u00e7\u00e3o geral para trabalhos a quente.<\/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-a2-tool-steel-1-2363-skd12\">A\u00e7o ferramenta AISI A2 | 1.2363 | SKD12<\/h3>\n        <p>O a\u00e7o AISI A2 oferece uma combina\u00e7\u00e3o mais equilibrada de resist\u00eancia ao desgaste e tenacidade.<\/p>\n        <p>Com menor teor de carbonetos que o D2, o A2 oferece maior resist\u00eancia ao lascamento das arestas, mantendo um desempenho adequado em termos de desgaste. \u00c9 indicado para opera\u00e7\u00f5es de corte a frio em condi\u00e7\u00f5es de carga menos est\u00e1veis ou quando o impacto \u00e9 inevit\u00e1vel.<\/p>\n        <p>Com dureza de 56\u201358 HRC, o a\u00e7o A2 \u00e9 geralmente escolhido quando o a\u00e7o D2 apresenta falha prematura nas bordas, mas ainda \u00e9 necess\u00e1ria uma resist\u00eancia ao desgaste superior \u00e0 dos a\u00e7os de choque.<\/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-s7-tool-steel-1-2355\">A\u00e7o ferramenta AISI S7 | 1.2355<\/h3>\n        <p>O a\u00e7o AISI S7 foi projetado para aplica\u00e7\u00f5es com predomin\u00e2ncia de cargas de impacto e choque.<\/p>\n        <p>Sua alta resist\u00eancia permite que ele resista a rachaduras e falhas nas bordas sob forte tens\u00e3o mec\u00e2nica, tornando-o adequado para cortes de espessura grossa e cortes interrompidos.<\/p>\n        <p>Com dureza de 56\u201358 HRC, o a\u00e7o S7 apresenta desempenho confi\u00e1vel em condi\u00e7\u00f5es inst\u00e1veis. A desvantagem \u00e9 a menor resist\u00eancia ao desgaste, o que o torna inadequado para aplica\u00e7\u00f5es de longa dura\u00e7\u00e3o onde a abras\u00e3o \u00e9 o principal mecanismo de falha.<\/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-h13-tool-steel-1-2344-skd61\">A\u00e7o para ferramentas H13 | 1.2344 | SKD61<\/h3>\n        <p>O a\u00e7o AISI H13 \u00e9 o material padr\u00e3o para opera\u00e7\u00f5es de corte a quente.<\/p>\n        <p>Proporciona uma combina\u00e7\u00e3o est\u00e1vel de tenacidade, resist\u00eancia a altas temperaturas e resist\u00eancia \u00e0 fadiga t\u00e9rmica. Ao contr\u00e1rio dos a\u00e7os para trabalho a frio, o H13 mant\u00e9m suas propriedades mec\u00e2nicas sob ciclos t\u00e9rmicos repetidos.<\/p>\n        <p>Normalmente utilizado com dureza de 44\u201352 HRC, o H13 resiste ao craqueamento t\u00e9rmico e retarda a propaga\u00e7\u00e3o de trincas, tornando-o adequado para a maioria das aplica\u00e7\u00f5es de acabamento em fundi\u00e7\u00e3o sob press\u00e3o e forjamento a quente.<\/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\/h13-tool-steel\/\">Veja os detalhes de fornecimento de materiais H13<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3>AISI H21 (A\u00e7o ferramenta para trabalho a quente com tungst\u00eanio)<\/h3>\n        <p>O a\u00e7o AISI H21 foi selecionado para condi\u00e7\u00f5es de temperatura extremamente elevadas.<\/p>\n        <p>Seu alto teor de tungst\u00eanio proporciona dureza superior a altas temperaturas e resist\u00eancia ao amolecimento, permitindo que ele mantenha sua resist\u00eancia em temperaturas de at\u00e9 aproximadamente 620 \u00b0C (1150 \u00b0F).<\/p>\n        <p>Com dureza de 50\u201352 HRC, o H21 \u00e9 adequado para aparar rebarbas excessivas em forjamento por recalque e outras aplica\u00e7\u00f5es de alta temperatura e alta carga, onde o H13 pode amolecer muito rapidamente.<\/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\/h21-tool-steel\/\">Veja os detalhes do fornecimento de materiais do H21.<\/a>\n        <\/div>\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>Propriedades principais \/ Dureza<\/th><th>Principal vantagem das matrizes de corte<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>AISI D2<\/td><td>58\u201360 HRC; ~1,5% C, 12% Cr<\/td><td>Alta resist\u00eancia \u00e0 abras\u00e3o para corte a frio de longa dura\u00e7\u00e3o.<\/td><\/tr>\n            <tr><td>AISI A2<\/td><td>56\u201358 HRC; 1,00% C, 5,00% Cr<\/td><td>Resist\u00eancia ao desgaste e tenacidade equilibradas<\/td><\/tr>\n            <tr><td>AISI S7<\/td><td>56\u201358 HRC; Resistente a choques<\/td><td>M\u00e1xima resist\u00eancia a impactos e lascas nas bordas.<\/td><\/tr>\n            <tr><td>AISI H13<\/td><td>44\u201352 HRC; trabalho a quente com cromo<\/td><td>Resist\u00eancia ao trincamento por calor e \u00e0 fadiga t\u00e9rmica<\/td><\/tr>\n            <tr><td>AISI H21<\/td><td>50\u201352 HRC; trabalho a quente de tungst\u00eanio<\/td><td>Alta dureza a quente para corte em temperaturas extremas.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/main>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Selection of Tool Steel for Trimming Dies Trimming dies are secondary-operation tools used to remove excess material\u2014such as flash, gates, overflows, and vents\u2014from forged or die-cast parts. Depending on the process, trimming may be performed cold (typically below 150 \u00b0C \/ 300 \u00b0F) or hot (up to 980 \u00b0C \/ 1800 \u00b0F for certain alloys). [&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-12037","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 for Trimming Dies Selection | D2, A2, S7, H13 Supplier | AoboSteel<\/title>\n<meta name=\"description\" content=\"Guide to selecting tool steel for trimming dies. 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Depending on the process, trimming may be performed cold (typically below 150 \u00b0C \/ 300 \u00b0F) or hot (up to 980 \u00b0C \/ 1800 \u00b0F for certain alloys).&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 Trimming Dies Trimming dies are secondary-operation tools used to remove excess material\u2014such as flash, gates, overflows, and vents\u2014from forged or die-cast parts. 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