{"id":9559,"date":"2025-08-05T15:26:19","date_gmt":"2025-08-05T07:26:19","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9559"},"modified":"2026-09-22T15:03:23","modified_gmt":"2026-09-22T07:03:23","slug":"selection-of-steels-for-shears","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/selection-of-steels-for-shears\/","title":{"rendered":"A\u00e7o ferramenta para sele\u00e7\u00e3o de tesouras (S7, D2, H13) | Fornecedor de a\u00e7o Aobo"},"content":{"rendered":"<section class=\"aobo-shears-selection-page\">\n  <style>\n    .aobo-shears-selection-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      box-sizing: border-box;\n   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.aobo-hero h1 {\n        font-size: 34px;\n      }\n\n      .aobo-shears-selection-page .aobo-article h2 {\n        font-size: 25px;\n      }\n\n      .aobo-shears-selection-page .aobo-grade-block {\n        padding: 20px;\n      }\n\n      .aobo-shears-selection-page .aobo-supply-actions .aobo-btn {\n        width: 100%;\n        min-width: 0;\n      }\n    }\n  <\/style>\n\n  <div class=\"aobo-wrap\">\n    <header class=\"aobo-hero\">\n      <h1 id=\"h-selection-of-tool-steel-for-shears\">sele\u00e7\u00e3o de a\u00e7o ferramenta para tesouras<\/h1>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <p>O corte por cisalhamento \u00e9 um processo utilizado para separar chapas, placas ou barras, for\u00e7ando o material a fraturar ao longo de uma linha definida. Durante a opera\u00e7\u00e3o, as l\u00e2minas de corte s\u00e3o submetidas a alta press\u00e3o de contato e deslizamento repetido contra a pe\u00e7a de trabalho.<\/p>\n      <p>Na maioria dos casos, a falha da l\u00e2mina \u00e9 causada por dois mecanismos: desgaste da borda por abras\u00e3o e danos na borda, como lascamento ou desprendimento, devido ao impacto. Sob condi\u00e7\u00f5es de cisalhamento a quente, a exposi\u00e7\u00e3o t\u00e9rmica adicional leva ao amolecimento e ao aparecimento de fissuras na superf\u00edcie, acelerando ainda mais a degrada\u00e7\u00e3o da borda.<\/p>\n\n      <h2>Fatores de sele\u00e7\u00e3o<\/h2>\n      <p>A sele\u00e7\u00e3o de a\u00e7o ferramenta para tesouras requer a adequa\u00e7\u00e3o das propriedades do material ao modo de falha predominante na aplica\u00e7\u00e3o, em vez de buscar apenas a dureza m\u00e1xima. As op\u00e7\u00f5es de grau de a\u00e7o para l\u00e2minas de tesoura, facas de corte longitudinal e facas industriais est\u00e3o dispon\u00edveis em [inserir refer\u00eancia aqui]. <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-for-shear-blades-slitter-knives-industrial-knives\/\">guia de sele\u00e7\u00e3o de l\u00e2minas de corte e facas de corte longitudinal<\/a>.<\/p>\n      <p><strong>Resist\u00eancia ao impacto versus resist\u00eancia ao desgaste<br><\/strong>As l\u00e2minas de corte sofrem impactos intermitentes durante o corte, especialmente ao processar se\u00e7\u00f5es espessas ou materiais de alta resist\u00eancia. Se a tenacidade for insuficiente, a aresta de corte pode lascar ou fraturar.<br>Ao mesmo tempo, o contato deslizante cont\u00ednuo causa desgaste abrasivo. O aumento da dureza melhora a resist\u00eancia ao desgaste, mas reduz a tenacidade. O equil\u00edbrio correto depende de se a falha \u00e9 dominada por lascamento da borda ou por desgaste gradual.<\/p>\n      <p><strong>Resist\u00eancia \u00e0 compress\u00e3o<br><\/strong>Durante o corte, a aresta da l\u00e2mina \u00e9 submetida a tens\u00f5es compressivas localizadas extremamente elevadas. Se o a\u00e7o n\u00e3o tiver resist\u00eancia \u00e0 compress\u00e3o suficiente, a aresta deforma-se plasticamente, resultando em arredondamento e perda de precis\u00e3o de corte.<\/p>\n      <p><strong>Estabilidade t\u00e9rmica e resist\u00eancia \u00e0 fadiga<br><\/strong>No corte a quente, as l\u00e2minas s\u00e3o repetidamente aquecidas e resfriadas. O a\u00e7o deve manter a dureza em altas temperaturas para evitar desgaste r\u00e1pido e resistir \u00e0 fadiga t\u00e9rmica para prevenir fissuras superficiais. Sem essas propriedades, a falha da borda ocorre rapidamente, mesmo que a dureza inicial seja adequada.<\/p>\n\n      <h2>A\u00e7os-ferramenta recomendados<\/h2>\n\n      <div class=\"aobo-grade-block\">\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 \u00e9 utilizado em aplica\u00e7\u00f5es onde o impacto \u00e9 a principal causa de falhas. Ele oferece alta tenacidade, o que reduz o risco de lascamento e quebra das arestas sob condi\u00e7\u00f5es de corte intensas ou intermitentes.<\/p>\n        <p>Com uma dureza t\u00edpica de 56\u201358 HRC, o a\u00e7o S7 mant\u00e9m a integridade estrutural sob carga. \u00c9 adequado para se\u00e7\u00f5es espessas, cisalhamento de alto impacto e condi\u00e7\u00f5es em que a falha da l\u00e2mina ocorre repentinamente, em vez de por desgaste gradual. Sua resist\u00eancia ao desgaste \u00e9 inferior \u00e0 dos a\u00e7os de alto carbono para trabalho a frio, portanto, n\u00e3o \u00e9 ideal para materiais altamente abrasivos.<\/p>\n        <div class=\"aobo-supply-actions\">\n          <a class=\"popmake-16052 aobo-btn aobo-btn-primary hs-cta-trigger-button hs-cta-trigger-button-230288465624\">Enviar consulta agora<\/a>\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\n      <div class=\"aobo-grade-block\">\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 abrasivo \u00e9 o principal fator que limita a vida \u00fatil da l\u00e2mina. Seu alto teor de carbono e cromo forma um grande volume de carbonetos duros, que resistem ao desgaste e mant\u00eam o fio da l\u00e2mina.<\/p>\n        <p>Com dureza de 58\u201360 HRC, o a\u00e7o D2 oferece alta resist\u00eancia \u00e0 compress\u00e3o e forte resist\u00eancia \u00e0 deforma\u00e7\u00e3o da aresta de corte. \u00c9 adequado para longas produ\u00e7\u00f5es envolvendo materiais abrasivos ou condi\u00e7\u00f5es de corte limpas e est\u00e1veis com impacto limitado. Devido \u00e0 sua menor tenacidade, n\u00e3o \u00e9 recomendado para aplica\u00e7\u00f5es onde o lascamento \u00e9 uma falha frequente.<\/p>\n        <div class=\"aobo-supply-actions\">\n          <a class=\"popmake-16052 aobo-btn aobo-btn-primary hs-cta-trigger-button hs-cta-trigger-button-230288465624\">Enviar consulta agora<\/a>\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\n      <div class=\"aobo-grade-block\">\n        <h3 id=\"h-aisi-s1-tool-steel-1-2550-sks41\">A\u00e7o ferramenta AISI S1 | 1.2550 | SKS41<\/h3>\n        <p>O a\u00e7o S1 \u00e9 utilizado quando h\u00e1 presen\u00e7a tanto de cargas de impacto quanto de temperaturas moderadas. Ele oferece um equil\u00edbrio entre tenacidade e resist\u00eancia ao amolecimento em altas temperaturas.<\/p>\n        <p>Dependendo da aplica\u00e7\u00e3o, o a\u00e7o S1 \u00e9 normalmente utilizado com dureza de 54\u201357 HRC para cisalhamento a frio ou 44\u201352 HRC para condi\u00e7\u00f5es mais quentes. \u00c9 adequado para cen\u00e1rios de uso misto onde nem o desgaste nem o impacto, isoladamente, predominam, e onde a\u00e7os para trabalho a frio ou a quente, isoladamente, n\u00e3o proporcionam um desempenho est\u00e1vel.<\/p>\n        <div class=\"aobo-supply-actions\">\n          <a class=\"popmake-16052 aobo-btn aobo-btn-primary hs-cta-trigger-button hs-cta-trigger-button-230288465624\">Enviar consulta agora<\/a>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/pt\/s1-tool-steel\/\">Veja os detalhes de fornecimento de material S1<\/a>\n        <\/div>\n      <\/div>\n\n      <div class=\"aobo-grade-block\">\n        <h3 id=\"h-h13-tool-steel-supplier-1-2344-skd61\">Fornecedor de a\u00e7o ferramenta H13 | 1.2344 | SKD61<\/h3>\n        <p>O H13 \u00e9 utilizado em opera\u00e7\u00f5es cont\u00ednuas de corte a quente, onde os efeitos da temperatura controlam a vida \u00fatil da ferramenta. Ele mant\u00e9m a dureza em altas temperaturas e resiste \u00e0 fadiga t\u00e9rmica causada por ciclos repetidos de aquecimento e resfriamento.<\/p>\n        <p>Com dureza de 44\u201352 HRC, o a\u00e7o H13 oferece uma combina\u00e7\u00e3o de resist\u00eancia a quente e tenacidade. \u00c9 adequado para contato prolongado com materiais aquecidos, onde a\u00e7os para trabalho a frio amoleceriam rapidamente ou desenvolveriam trincas t\u00e9rmicas.<\/p>\n        <div class=\"aobo-supply-actions\">\n          <a class=\"popmake-16052 aobo-btn aobo-btn-primary hs-cta-trigger-button hs-cta-trigger-button-230288465624\">Enviar consulta agora<\/a>\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\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<\/th><th>Principal vantagem das tesouras<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>AISI S7<\/td><td>56\u201358 HRC<\/td><td>Alta resist\u00eancia para aplica\u00e7\u00f5es sujeitas a impactos severos.<\/td><\/tr>\n            <tr><td>AISI D2<\/td><td>58\u201360 HRC<\/td><td>Alta resist\u00eancia ao desgaste para materiais abrasivos<\/td><\/tr>\n            <tr><td>AISI S1<\/td><td>44\u201357 HRC<\/td><td>Desempenho equilibrado em condi\u00e7\u00f5es mistas.<\/td><\/tr>\n            <tr><td>AISI H13<\/td><td>44\u201352 HRC<\/td><td>Estabilidade em ambientes de cisalhamento a quente<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/main>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Selection of Tool Steel for Shears Shearing is a process used to separate sheet, plate, or bar stock by forcing material to fracture along a defined line. In operation, shear blades are subjected to high contact pressure and repeated sliding against the workpiece. In most cases, blade failure is driven by two mechanisms: edge 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-9559","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 Shears Selection (S7, D2, H13) | Aobo Steel Supplier<\/title>\n<meta name=\"description\" content=\"Learn how to select tool steel for shear blades based on impact, wear, and temperature conditions. 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