{"id":13291,"date":"2026-03-06T10:46:41","date_gmt":"2026-03-06T02:46:41","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=13291"},"modified":"2026-06-28T17:03:08","modified_gmt":"2026-06-28T09:03:08","slug":"d2-vs-d3-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/d2-vs-d3-tool-steel\/","title":{"rendered":"A\u00e7o ferramenta D2 vs D3: resist\u00eancia ao desgaste, tenacidade e sele\u00e7\u00e3o."},"content":{"rendered":"<section class=\"aobo-d2-d3-page\">\n  <style>\n    .aobo-d2-d3-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-dark: #073b8e;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-blue-line: #c9dcff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-white: #ffffff;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      --aobo-page-width: 1180px;\n      --aobo-copy-width: 920px;\n      font-family: Arial, Helvetica, sans-serif;\n     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  }\n\n      .aobo-article h2 {\n        font-size: 25px;\n      }\n    }\n  <\/style>\n\n  <div class=\"aobo-wrap\">\n    <header class=\"aobo-hero\">\n      <span class=\"aobo-eyebrow\">Sele\u00e7\u00e3o de a\u00e7os-ferramenta para trabalho a frio de alta resist\u00eancia ao desgaste<\/span>\n      <h1>A\u00e7o D2 vs D3: Qual a\u00e7o ferramenta voc\u00ea deve escolher?<\/h1>\n      <p><a class=\"aobo-text-link\" href=\"https:\/\/aobosteel.com\/pt\/d2-steel-properties\/\">A\u00e7o para ferramentas D2<\/a> Os a\u00e7os D3 e D4 s\u00e3o a\u00e7os-ferramenta para trabalho a frio com alto teor de carbono e cromo, utilizados em matrizes, facas, pun\u00e7\u00f5es, pe\u00e7as de desgaste e ferramentas de trabalho a frio que exigem alta resist\u00eancia ao desgaste.<\/p>\n      <p>Para a maioria das ferramentas de trabalho a frio, o a\u00e7o D2 \u00e9 a op\u00e7\u00e3o inicial mais segura, pois oferece um melhor equil\u00edbrio entre resist\u00eancia ao desgaste, tenacidade, estabilidade ao tratamento t\u00e9rmico e confiabilidade do processo. O a\u00e7o D3 \u00e9 mais comum quando o desgaste abrasivo \u00e9 severo e o impacto \u00e9 baixo.<\/p>\n    <\/header>\n\n    <section class=\"aobo-product-strip\" aria-label=\"Produtos de a\u00e7o ferramenta D2 e D3 da Aobo Steel\">\n      <h2>A\u00e7o ferramenta D2 e D3 dispon\u00edvel na Aobo Steel.<\/h2>\n      <p class=\"aobo-strip-intro\">A Aobo Steel fornece a\u00e7os-ferramenta para trabalho a frio D2 e D3 para matrizes de alto desgaste, facas, pun\u00e7\u00f5es, pe\u00e7as de desgaste e aplica\u00e7\u00f5es de ferramentas abrasivas.<\/p>\n\n      <div class=\"aobo-product-grid\">\n        <article class=\"aobo-product-card\">\n          <div class=\"aobo-product-image\">\n            <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/D2-steel.avif\" alt=\"A\u00e7o ferramenta D2 fornecido pela Aobo Steel\" loading=\"lazy\">\n          <\/div>\n          <h3>D2 | 1,2379 | SKD11<\/h3>\n          <p class=\"aobo-card-note\">A\u00e7o ferramenta balanceado para trabalho a frio de alta resist\u00eancia ao desgaste, ideal para matrizes em geral, facas, ferramentas de conforma\u00e7\u00e3o, ferramentas de precis\u00e3o e aplica\u00e7\u00f5es que exigem maior confiabilidade de processamento.<\/p>\n          <div class=\"aobo-buttons\">\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel\/\">Ver detalhes<\/a>\n            <a class=\"aobo-btn aobo-btn-inquiry popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"aobo-product-card\">\n          <div class=\"aobo-product-image\">\n            <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/D3.avif\" alt=\"A\u00e7o ferramenta D3 fornecido pela Aobo Steel\" loading=\"lazy\">\n          <\/div>\n          <h3>D3 | 1.2080 | SKD1<\/h3>\n          <p class=\"aobo-card-note\">A\u00e7o ferramenta para trabalho a frio com alt\u00edssimo teor de carbono e cromo, indicado para desgaste abrasivo severo, matrizes simples, pe\u00e7as sujeitas a desgaste e ferramentas de baixo impacto.<\/p>\n          <div class=\"aobo-buttons\">\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/d3-tool-steel\/\">Ver detalhes<\/a>\n            <a class=\"aobo-btn aobo-btn-inquiry popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n          <\/div>\n        <\/article>\n      <\/div>\n    <\/section>\n\n    <main class=\"aobo-article\">\n      <h2>Compara\u00e7\u00e3o r\u00e1pida<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Fator<\/th><th>A\u00e7o para ferramentas D2<\/th><th>A\u00e7o ferramenta D3<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Tipo de a\u00e7o<\/td><td>A\u00e7o para ferramentas de trabalho a frio com alto teor de carbono e alto teor de cromo<\/td><td>A\u00e7o para ferramentas de trabalho a frio com alto teor de carbono e alto teor de cromo<\/td><\/tr>\n            <tr><td>Design em liga met\u00e1lica<\/td><td>A\u00e7o para trabalho a frio Cr-Mo-V<\/td><td>A\u00e7o para trabalho a frio com alto teor de carbono e cromo<\/td><\/tr>\n            <tr><td>Teor de carbono<\/td><td>1.40-1.60%<\/td><td>2.00-2.35%<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>Alto<\/td><td>Muito alto<\/td><\/tr>\n            <tr><td>Robustez<\/td><td>Melhorar<\/td><td>Inferior<\/td><\/tr>\n            <tr><td>Estabilidade dimensional<\/td><td>Melhorar<\/td><td>Inferior<\/td><\/tr>\n            <tr><td>M\u00e9todo de endurecimento<\/td><td>Endurecimento ao ar<\/td><td>Endurecimento do \u00f3leo<\/td><\/tr>\n            <tr><td>dificuldade de usinagem<\/td><td>Alto<\/td><td>Mais alto<\/td><\/tr>\n            <tr><td>Dificuldade de grind<\/td><td>Alto<\/td><td>Mais alto<\/td><\/tr>\n            <tr><td>Dire\u00e7\u00e3o t\u00edpica<\/td><td>Matrizes gerais para trabalho a frio, facas, ferramentas de conforma\u00e7\u00e3o, ferramentas de precis\u00e3o<\/td><td>Ferramentas abrasivas de desgaste, matrizes simples, pe\u00e7as de desgaste<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Diferen\u00e7a entre composi\u00e7\u00e3o qu\u00edmica e desempenho<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Grau AISI<\/th><th>N\u00ba UNS<\/th><th>C (%)<\/th><th>Mn (%)<\/th><th>Si (%)<\/th><th>Cr (%)<\/th><th>Mo (%)<\/th><th>V (%)<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>D2<\/td><td>T30402<\/td><td>1.40-1.60<\/td><td>0,60 m\u00e1x.<\/td><td>0,60 m\u00e1x.<\/td><td>11.00-13.00<\/td><td>0.70-1.20<\/td><td>1,10 m\u00e1x.<\/td><\/tr>\n            <tr><td>D3<\/td><td>T30403<\/td><td>2.00-2.35<\/td><td>0,60 m\u00e1x.<\/td><td>0,60 m\u00e1x.<\/td><td>11.00-13.50<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o D3 cont\u00e9m uma quantidade significativamente maior de carbono, mantendo um n\u00edvel semelhante de cromo. Isso aumenta a quantidade de carbonetos de cromo, melhorando a resist\u00eancia ao desgaste abrasivo, mas tornando o a\u00e7o mais quebradi\u00e7o e mais dif\u00edcil de retificar.<\/p>\n      <p>O a\u00e7o D2 apresenta menor teor de carbono e inclui adi\u00e7\u00e3o de molibd\u00eanio e van\u00e1dio. O molibd\u00eanio melhora a temperabilidade e a resposta ao revenimento. O van\u00e1dio aumenta a resist\u00eancia ao desgaste e refina os carbonetos. Portanto, o D2 \u00e9 menos extremo que o D3 e mais f\u00e1cil de controlar durante a fabrica\u00e7\u00e3o de ferramentas.<\/p>\n\n      <h2>Resist\u00eancia ao desgaste, falhas na borda e formato da ferramenta<\/h2>\n      <p>O a\u00e7o D3 apresenta bom desempenho em ferramentas sujeitas principalmente a desgaste abrasivo e gradual. \u00c9 adequado para pe\u00e7as de desgaste simples, matrizes e ferramentas que operam contra materiais abrasivos.<\/p>\n      <p>O a\u00e7o D2 \u00e9 geralmente preferido para ferramentas com arestas finas, geometria complexa, toler\u00e2ncias apertadas ou estresse mec\u00e2nico repetido. Em ferramentas de estampagem, conforma\u00e7\u00e3o, corte, fenda e cunhagem, o desgaste puro raramente causa falhas; em vez disso, lascamento, trincas, colapso da aresta, distor\u00e7\u00e3o e perda por reafia\u00e7\u00e3o frequentemente determinam a vida \u00fatil real da ferramenta.<\/p>\n      <div class=\"aobo-note-box\">\n        <p>O a\u00e7o D3 n\u00e3o deve ser escolhido apenas por sua maior resist\u00eancia ao desgaste, conforme indicado nas fichas t\u00e9cnicas. \u00c9 preciso tamb\u00e9m considerar o formato da ferramenta, o suporte da aresta de corte, a carga de impacto e o risco de tratamento t\u00e9rmico.<\/p>\n      <\/div>\n\n      <h2>Notas equivalentes<\/h2>\n      <p>D2 e D3 s\u00e3o frequentemente especificados sob nomes padr\u00e3o diferentes em compras internacionais.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Padr\u00e3o<\/th><th>Equivalente a D2<\/th><th>Equivalente a D3<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>AISI<\/td><td>D2<\/td><td>D3<\/td><\/tr>\n            <tr><td>ONU<\/td><td>T30402<\/td><td>T30403<\/td><\/tr>\n            <tr><td>DIN \/ EN<\/td><td>1,2379 \/ X155CrMoV12-1<\/td><td>1.2080 \/ X210Cr12<\/td><\/tr>\n            <tr><td>JIS<\/td><td>SKD11<\/td><td>SKD1<\/td><\/tr>\n            <tr><td>GB<\/td><td>Cr12Mo1V1<\/td><td>Cr12<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Comportamento do tratamento t\u00e9rmico<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Item<\/th><th>A\u00e7o para ferramentas D2<\/th><th>A\u00e7o ferramenta D3<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Tipo de endurecimento<\/td><td>Endurecimento ao ar<\/td><td>Endurecimento do \u00f3leo<\/td><\/tr>\n            <tr><td>Temperatura de austenitiza\u00e7\u00e3o<\/td><td>995-1030 C<\/td><td>925-980 C<\/td><\/tr>\n            <tr><td>Dureza de trabalho t\u00edpica<\/td><td>58-62 HRC<\/td><td>60-64 HRC<\/td><\/tr>\n            <tr><td>Risco de distor\u00e7\u00e3o<\/td><td>Inferior<\/td><td>Mais alto<\/td><\/tr>\n            <tr><td>risco de rachaduras<\/td><td>Inferior<\/td><td>Mais alto<\/td><\/tr>\n            <tr><td>Comportamento moderador<\/td><td>Possibilidade de t\u00eampera em alta temperatura<\/td><td>T\u00eampera a baixa temperatura t\u00edpica<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o D2 \u00e9 mais f\u00e1cil de controlar em ferramentas de precis\u00e3o por ser um a\u00e7o de t\u00eampera ao ar, ou seja, endurece quando resfriado em ar parado, o que reduz a tens\u00e3o de t\u00eampera. J\u00e1 o a\u00e7o D3, um a\u00e7o ferramenta de t\u00eampera em \u00f3leo, exige maior cuidado quando usado em ferramentas com cantos vivos, se\u00e7\u00f5es irregulares ou requisitos dimensionais rigorosos.<\/p>\n\n      <h2>Usinagem, retifica\u00e7\u00e3o e custo total<\/h2>\n      <p>O a\u00e7o D3 \u00e9 mais dif\u00edcil de usinar e retificar. Seu maior volume de carbonetos aumenta o desgaste da ferramenta, a resist\u00eancia \u00e0 retifica\u00e7\u00e3o, o tempo de acabamento e os custos de reafia\u00e7\u00e3o.<\/p>\n      <p>O pre\u00e7o das mat\u00e9rias-primas por si s\u00f3 pode ser enganoso. Uma barra de D3 mais barata pode ficar mais cara depois de contabilizados os custos de usinagem, tratamento t\u00e9rmico, retifica\u00e7\u00e3o e reparo de ferramentas. O D2 costuma ser mais previs\u00edvel para produ\u00e7\u00e3o em lotes, pois \u00e9 mais f\u00e1cil de obter e processar do que o D3, al\u00e9m de ser mais amplamente aceito por fabricantes de ferramentas e empresas de tratamento t\u00e9rmico.<\/p>\n\n      <h2>Conselhos pr\u00e1ticos de sele\u00e7\u00e3o<\/h2>\n      <div class=\"aobo-choice-grid\">\n        <article class=\"aobo-choice-card\">\n          <h3>Escolha D2 para um ponto de partida mais seguro.<\/h3>\n          <p>Quando as condi\u00e7\u00f5es de trabalho n\u00e3o forem claras, escolha o a\u00e7o D2 devido \u00e0 sua maior margem de seguran\u00e7a em termos de resist\u00eancia, controle dimensional, tratamento t\u00e9rmico e processamento.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>Escolha D3 somente para abras\u00e3o severa de baixo impacto.<\/h3>\n          <p>Selecione D3 somente quando as falhas forem definitivamente devidas ao desgaste abrasivo, o formato da ferramenta for simples e a aplica\u00e7\u00e3o tiver impacto m\u00ednimo ou choque na borda.<\/p>\n        <\/article>\n      <\/div>\n      <p>Para compradores estrangeiros, o D2 oferece uma op\u00e7\u00e3o de aquisi\u00e7\u00e3o confi\u00e1vel e de menor risco. Opte pelo D3 somente se tiver verificado que sua solicita\u00e7\u00e3o atende aos requisitos espec\u00edficos impostos por ele.<\/p>\n\n      <section class=\"aobo-related-pages\" aria-label=\"P\u00e1ginas relacionadas \u00e0 compara\u00e7\u00e3o do a\u00e7o ferramenta D2\">\n        <h2>P\u00e1ginas relacionadas<\/h2>\n        <div class=\"aobo-related-grid\">\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/d2-vs-m2-tool-steel\/\">\n            <strong>D2 vs M2<\/strong>\n            <span>Resist\u00eancia ao desgaste por trabalho a frio versus desempenho de corte em alta velocidade.<\/span>\n          <\/a>\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/d2-steel-vs-4140\/\">\n            <strong>D2 vs 4140<\/strong>\n            <span>Resist\u00eancia ao desgaste versus tenacidade e menor custo.<\/span>\n          <\/a>\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/o1-vs-d2-tool-steel\/\">\n            <strong>D2 vs O1<\/strong>\n            <span>Resist\u00eancia ao desgaste por endurecimento ao ar versus a\u00e7o de endurecimento em \u00f3leo, mais f\u00e1cil de usinar.<\/span>\n          <\/a>\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/d2-vs-a2-tool-steel\/\">\n            <strong>D2 vs A2<\/strong>\n            <span>Vida \u00fatil m\u00e1xima versus maior resist\u00eancia na mesma fam\u00edlia de materiais para trabalho a frio.<\/span>\n          <\/a>\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/dc53-vs-d2-tool-steel\/\">\n            <strong>D2 vs DC53<\/strong>\n            <span>D2 padr\u00e3o versus uma vers\u00e3o aprimorada com maior resist\u00eancia e dureza.<\/span>\n          <\/a>\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/d2-steel-vs-440c\/\">\n            <strong>D2 vs 440C<\/strong>\n            <span>Resist\u00eancia ao desgaste em compara\u00e7\u00e3o com um a\u00e7o inoxid\u00e1vel com resist\u00eancia \u00e0 corros\u00e3o.<\/span>\n          <\/a>\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/d2-vs-s7-tool-steel\/\">\n            <strong>D2 vs S7<\/strong>\n            <span>Resist\u00eancia ao desgaste versus um material resistente a impactos.<\/span>\n          <\/a>\n        <\/div>\n      <\/section>\n    <\/main>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Precisa de a\u00e7o ferramenta D2 ou D3 para ferramentas de trabalho a frio de alto desgaste?<\/h2>\n        <p>A Aobo Steel fornece a\u00e7os ferramenta D2 e D3 para matrizes, facas, pun\u00e7\u00f5es, pe\u00e7as de desgaste e ferramentas abrasivas para trabalho a frio. Compartilhe sua especifica\u00e7\u00e3o, tamanho, quantidade e aplica\u00e7\u00e3o para uma sugest\u00e3o de fornecimento pr\u00e1tica.<\/p>\n      <\/div>\n      <a class=\"aobo-btn popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n    <\/section>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>High-Wear Cold-Work Tool Steel Selection D2 vs D3 Steel: Which Tool Steel Should You Choose? D2 tool steel and D3 are high-carbon, high-chromium cold-work tool steels used for dies, knives, punches, wear parts, and cold-work tooling that require high wear resistance. For most cold-work tools, D2 is the safer first choice because it offers a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15655,"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":"normal-width-container","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":"disabled","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-13291","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D2 vs D3 Tool Steel: Wear Resistance, Toughness and Selection | AoboSteel<\/title>\n<meta name=\"description\" content=\"Compare D2 and D3 tool steel by composition, wear resistance, toughness, distortion, heat treatment, and tooling use. 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D2 tool steel and D3 are high-carbon, high-chromium cold-work tool steels used for dies, knives, punches, wear parts, and cold-work tooling that require high wear resistance. 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