{"id":15548,"date":"2026-05-20T08:57:39","date_gmt":"2026-05-20T00:57:39","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15548"},"modified":"2026-06-25T11:10:36","modified_gmt":"2026-06-25T03:10:36","slug":"d-series-tool-steels","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/d-series-tool-steels\/","title":{"rendered":"A\u00e7os para ferramentas da s\u00e9rie D: Guia de classes D2, D3, D5 e D6"},"content":{"rendered":"<section class=\"aobo-dseries-page\">\n\n  <style>\n    .aobo-dseries-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      font-family: Arial, Helvetica, sans-serif;\n      color: var(--aobo-text);\n      line-height: 1.7;\n      background: 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#ffffff;\n      color: var(--aobo-blue) !important;\n    }\n\n    @media (max-width: 980px) {\n      .aobo-product-grid {\n        grid-template-columns: repeat(2, minmax(0, 1fr));\n      }\n    }\n\n    @media (max-width: 620px) {\n      .aobo-wrap {\n        padding: 0;\n      }\n\n      .aobo-hero {\n        padding: 30px 22px;\n      }\n\n      .aobo-product-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .aobo-product-strip {\n        padding: 20px;\n      }\n\n      .aobo-buttons {\n        flex-direction: column;\n      }\n\n      .aobo-article h2 {\n        font-size: 25px;\n      }\n    }\n  <\/style>\n\n  <div class=\"aobo-wrap\">\n\n    <header class=\"aobo-hero\">\n      <span class=\"aobo-eyebrow\">Guia T\u00e9cnico de A\u00e7os para Ferramentas<\/span>\n      <h1>A\u00e7os para ferramentas da s\u00e9rie D<\/h1>\n      <p>\n        Os a\u00e7os ferramenta da s\u00e9rie D s\u00e3o a\u00e7os para trabalho a frio com alto teor de carbono e cromo, utilizados em matrizes de longa dura\u00e7\u00e3o, pun\u00e7\u00f5es, facas, l\u00e2minas de corte, ferramentas de trefila\u00e7\u00e3o, matrizes de lamina\u00e7\u00e3o de roscas e ferramentas resistentes ao desgaste. S\u00e3o selecionados quando a resist\u00eancia ao desgaste abrasivo, a alta dureza, a resist\u00eancia \u00e0 compress\u00e3o e a estabilidade dimensional s\u00e3o mais importantes do que a tenacidade ao impacto.\n      <\/p>\n    <\/header>\n\n    <section class=\"aobo-product-strip\" aria-label=\"A\u00e7os para ferramentas da s\u00e9rie D dispon\u00edveis na Aobo Steel.\">\n      <h2>A\u00e7os para ferramentas da s\u00e9rie D dispon\u00edveis na Aobo Steel.<\/h2>\n      <p class=\"aobo-strip-intro\">\n        A Aobo Steel fornece a\u00e7o ferramenta da s\u00e9rie D em barras redondas e planas a granel para matrizes de trabalho a frio, pun\u00e7\u00f5es, l\u00e2minas de corte, facas de corte longitudinal, ferramentas de trefila\u00e7\u00e3o e ferramentas industriais resistentes ao desgaste.\n      <\/p>\n\n      <div class=\"aobo-product-grid\">\n\n        <article class=\"aobo-product-card\">\n          <div class=\"aobo-product-image\">\n            <img src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/D2-tool-steel.avif\" alt=\"Barra plana de a\u00e7o para ferramentas D2\" loading=\"lazy\" decoding=\"async\">\n          <\/div>\n          <h3>D2 | 1,2379 | SKD11<\/h3>\n          <p class=\"aobo-card-note\">Grau da s\u00e9rie D mais utilizado para matrizes de longa dura\u00e7\u00e3o, facas, pun\u00e7\u00f5es e ferramentas resistentes ao desgaste.<\/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 src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/D3.avif\" alt=\"Barra de a\u00e7o ferramenta D3\" loading=\"lazy\" decoding=\"async\">\n          <\/div>\n          <h3>D3 | 1.2080 | SKD1<\/h3>\n          <p class=\"aobo-card-note\">A\u00e7o para trabalho a frio com alto teor de carbono e cromo, adequado para resist\u00eancia ao desgaste abrasivo e alta resist\u00eancia \u00e0 compress\u00e3o.<\/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\n        <article class=\"aobo-product-card\">\n          <div class=\"aobo-product-image\">\n            <img src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/07\/D6.avif\" alt=\"Barra de a\u00e7o ferramenta D6\" loading=\"lazy\" decoding=\"async\">\n          <\/div>\n          <h3>D6 | 1,2436 | SKD2<\/h3>\n          <p class=\"aobo-card-note\">A\u00e7o cromo-tungst\u00eanio para trabalho a frio, oferecendo alta resist\u00eancia ao desgaste e aplica\u00e7\u00f5es em ferramentas especiais.<\/p>\n          <div class=\"aobo-buttons\">\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/d6-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      <\/div>\n    <\/section>\n\n    <main class=\"aobo-article\">\n\n      <p>\n        A s\u00e9rie D inclui os a\u00e7os D2, D3, D4, D5, D6 e D7. Esses a\u00e7os compartilham uma base similar de alto teor de carbono e cromo, mas diferem em composi\u00e7\u00e3o da liga, comportamento de endurecimento, tenacidade, resist\u00eancia ao desgaste e gama de aplica\u00e7\u00f5es.\n      <\/p>\n      <p>\n        Para a maioria das ferramentas de trabalho a frio, o D2 \u00e9 a classe inicial mais pr\u00e1tica. Outras classes da s\u00e9rie D s\u00e3o utilizadas quando a aplica\u00e7\u00e3o exige maior resist\u00eancia \u00e0 abras\u00e3o, comportamento especial em tratamentos t\u00e9rmicos ou uma classe equivalente espec\u00edfica, como 1.2436 \/ SKD2.\n      <\/p>\n\n      <h2>Classes de a\u00e7o ferramenta da s\u00e9rie D e normas equivalentes<\/h2>\n      <p>\n        A tabela abaixo resume as normas de equival\u00eancia comuns para a\u00e7os-ferramenta da s\u00e9rie D. As equival\u00eancias devem ser verificadas em rela\u00e7\u00e3o \u00e0 norma exigida e \u00e0 especifica\u00e7\u00e3o do pedido, especialmente quando a aplica\u00e7\u00e3o tiver requisitos rigorosos de composi\u00e7\u00e3o qu\u00edmica ou tratamento t\u00e9rmico.\n      <\/p>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>AISI \/ SAE<\/th>\n              <th>DIN \/ W.Nr.<\/th>\n              <th>Nome EN \/ ISO<\/th>\n              <th>JIS<\/th>\n              <th>Classifica\u00e7\u00e3o GB\/Chinesa<\/th>\n              <th>BS \/ Reino Unido<\/th>\n              <th>AFNOR \/ Fran\u00e7a<\/th>\n              <th>Notas<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>D2<\/td>\n              <td>1.2379<\/td>\n              <td>X153CrMoV12<\/td>\n              <td>SKD11<\/td>\n              <td>Cr12Mo1V1<\/td>\n              <td>BD2<\/td>\n              <td>Z150CDV12<\/td>\n              <td>Grupo equivalente da s\u00e9rie D mais comum<\/td>\n            <\/tr>\n            <tr>\n              <td>D3<\/td>\n              <td>1.2080<\/td>\n              <td>X210Cr12<\/td>\n              <td>SKD1<\/td>\n              <td>Cr12<\/td>\n              <td>BD3<\/td>\n              <td>Z200C12<\/td>\n              <td>Grau de trabalho a frio com alto teor de carbono e cromo<\/td>\n            <\/tr>\n            <tr>\n              <td>D5<\/td>\n              <td>1.2880<\/td>\n              <td>N\u00e3o \u00e9 comumente listado<\/td>\n              <td>N\u00e3o \u00e9 comumente listado<\/td>\n              <td>N\u00e3o \u00e9 comumente listado<\/td>\n              <td>N\u00e3o \u00e9 comumente listado<\/td>\n              <td>Z160CKDV12-03<\/td>\n              <td>Grau da s\u00e9rie D contendo cobalto<\/td>\n            <\/tr>\n            <tr>\n              <td>D6<\/td>\n              <td>1.2436<\/td>\n              <td>X210CrW12<\/td>\n              <td>SKD2<\/td>\n              <td>Cr12W<\/td>\n              <td>N\u00e3o \u00e9 comumente listado<\/td>\n              <td>N\u00e3o \u00e9 comumente listado<\/td>\n              <td>Grau de trabalho a frio de cromo-tungst\u00eanio<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Composi\u00e7\u00e3o qu\u00edmica dos a\u00e7os ferramenta da s\u00e9rie D<\/h2>\n      <p>\n        Os a\u00e7os da s\u00e9rie D geralmente cont\u00eam de 1,40% a 2,50% de carbono e de 11,00% a 13,50% de cromo. Seu alto teor de carbonetos \u00e9 a principal raz\u00e3o para sua forte resist\u00eancia ao desgaste, mas tamb\u00e9m aumenta a dificuldade de processamento e reduz a tenacidade.\n      <\/p>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Grau<\/th>\n              <th>Carbono<\/th>\n              <th>Cromo<\/th>\n              <th>Molibd\u00eanio<\/th>\n              <th>Van\u00e1dio<\/th>\n              <th>Outros elementos principais<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>D2<\/td>\n              <td>1.40-1.60%<\/td>\n              <td>11.00-13.00%<\/td>\n              <td>0.70-1.20%<\/td>\n              <td>1.10% m\u00e1x.<\/td>\n              <td>N\u00e3o \u00e9 prim\u00e1rio<\/td>\n            <\/tr>\n            <tr>\n              <td>D3<\/td>\n              <td>2.00-2.35%<\/td>\n              <td>11.00-13.50%<\/td>\n              <td>N\u00e3o \u00e9 prim\u00e1rio<\/td>\n              <td>1.00% m\u00e1x.<\/td>\n              <td>W 1.00% m\u00e1x.<\/td>\n            <\/tr>\n            <tr>\n              <td>D4<\/td>\n              <td>2.05-2.40%<\/td>\n              <td>11.00-13.00%<\/td>\n              <td>0.70-1.20%<\/td>\n              <td>1.00% m\u00e1x.<\/td>\n              <td>N\u00e3o \u00e9 prim\u00e1rio<\/td>\n            <\/tr>\n            <tr>\n              <td>D5<\/td>\n              <td>1.40-1.60%<\/td>\n              <td>11.00-13.00%<\/td>\n              <td>0.70-1.20%<\/td>\n              <td>1.00% m\u00e1x.<\/td>\n              <td>Co 2,50-3,50%<\/td>\n            <\/tr>\n            <tr>\n              <td>D6<\/td>\n              <td>Aproximadamente 2.10%<\/td>\n              <td>Aproximadamente 11.50%<\/td>\n              <td>N\u00e3o \u00e9 prim\u00e1rio<\/td>\n              <td>Aproximadamente 0,20%<\/td>\n              <td>W aproximadamente 0,70%<\/td>\n            <\/tr>\n            <tr>\n              <td>D7<\/td>\n              <td>2.15-2.50%<\/td>\n              <td>11.50-13.50%<\/td>\n              <td>0.70-1.20%<\/td>\n              <td>3.80-4.40%<\/td>\n              <td>N\u00e3o \u00e9 prim\u00e1rio<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Propriedades dos a\u00e7os ferramenta da s\u00e9rie D<\/h2>\n      <p>\n        Os a\u00e7os ferramenta da s\u00e9rie D s\u00e3o utilizados quando o desgaste abrasivo \u00e9 o principal risco de falha. Seu desempenho prov\u00e9m da alta dureza, do alto volume de carbonetos e da elevada resist\u00eancia \u00e0 compress\u00e3o ap\u00f3s tratamento t\u00e9rmico adequado.\n      <\/p>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Propriedade<\/th>\n              <th>Desempenho da S\u00e9rie D<\/th>\n              <th>Significado pr\u00e1tico<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>Resist\u00eancia ao desgaste<\/td>\n              <td>Alto a extremamente alto<\/td>\n              <td>Adequado para materiais abrasivos e longas s\u00e9ries de produ\u00e7\u00e3o.<\/td>\n            <\/tr>\n            <tr>\n              <td>Dureza ap\u00f3s tratamento t\u00e9rmico<\/td>\n              <td>Alto<\/td>\n              <td>Comumente utilizadas na faixa de dureza Rockwell C (HRC) para ferramentas de trabalho a frio.<\/td>\n            <\/tr>\n            <tr>\n              <td>resist\u00eancia \u00e0 compress\u00e3o<\/td>\n              <td>Alto<\/td>\n              <td>\u00datil para pun\u00e7\u00f5es, matrizes e ferramentas sob press\u00e3o.<\/td>\n            <\/tr>\n            <tr>\n              <td>Estabilidade dimensional<\/td>\n              <td>Boas op\u00e7\u00f5es para endurecimento ao ar.<\/td>\n              <td>Essencial para matrizes de precis\u00e3o, calibradores e ferramentas de conforma\u00e7\u00e3o.<\/td>\n            <\/tr>\n            <tr>\n              <td>Robustez<\/td>\n              <td>Baixo a moderado<\/td>\n              <td>N\u00e3o \u00e9 ideal para cargas de impacto ou choque severas.<\/td>\n            <\/tr>\n            <tr>\n              <td>Usinabilidade<\/td>\n              <td>Baixo<\/td>\n              <td>O custo de corte \u00e9 maior do que o de a\u00e7os para trabalho a frio mais simples.<\/td>\n            <\/tr>\n            <tr>\n              <td>Moabilidade<\/td>\n              <td>Baixo<\/td>\n              <td>O grande volume de carboneto torna a retifica\u00e7\u00e3o mais dif\u00edcil.<\/td>\n            <\/tr>\n            <tr>\n              <td>Resist\u00eancia \u00e0 corros\u00e3o<\/td>\n              <td>Limitado<\/td>\n              <td>O alto teor de cromo n\u00e3o torna os a\u00e7os da s\u00e9rie D inoxid\u00e1veis.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Vis\u00e3o geral do tratamento t\u00e9rmico para a\u00e7os ferramenta da s\u00e9rie D<\/h2>\n      <p>\n        Os a\u00e7os ferramenta da s\u00e9rie D s\u00e3o normalmente fornecidos em condi\u00e7\u00e3o recozida para usinagem. O desempenho final em trabalho depende da t\u00eampera e revenimento. O tratamento t\u00e9rmico controla a dureza, a resist\u00eancia ao desgaste, a tens\u00e3o interna, a varia\u00e7\u00e3o dimensional e o risco de fissura\u00e7\u00e3o.\n      <\/p>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Processo<\/th>\n              <th>Faixa t\u00edpica ou pr\u00e1tica<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>Recozimento<\/td>\n              <td>870-900 \u00b0C, seguido de resfriamento lento<\/td>\n            <\/tr>\n            <tr>\n              <td>Dureza ap\u00f3s recozimento<\/td>\n              <td>Aproximadamente 217-255 HB<\/td>\n            <\/tr>\n            <tr>\n              <td>Al\u00edvio do estresse<\/td>\n              <td>650-705 \u00b0C, seguido de resfriamento ao ar<\/td>\n            <\/tr>\n            <tr>\n              <td>Pr\u00e9-aquecimento<\/td>\n              <td>650-790 \u00b0C<\/td>\n            <\/tr>\n            <tr>\n              <td>Austenitiza\u00e7\u00e3o D2<\/td>\n              <td>995-1030 \u00b0C<\/td>\n            <\/tr>\n            <tr>\n              <td>Austenitiza\u00e7\u00e3o D3<\/td>\n              <td>925-980 \u00b0C<\/td>\n            <\/tr>\n            <tr>\n              <td>Austenitiza\u00e7\u00e3o D5<\/td>\n              <td>1010-1095 \u00b0C<\/td>\n            <\/tr>\n            <tr>\n              <td>Austenitiza\u00e7\u00e3o D6<\/td>\n              <td>950-980 \u00b0C<\/td>\n            <\/tr>\n            <tr>\n              <td>Austenitiza\u00e7\u00e3o D7<\/td>\n              <td>1010-1080 \u00b0C<\/td>\n            <\/tr>\n            <tr>\n              <td>Resfriamento<\/td>\n              <td>Refrigera\u00e7\u00e3o a ar, \u00f3leo ou controlada, dependendo da classe.<\/td>\n            <\/tr>\n            <tr>\n              <td>T\u00eampera<\/td>\n              <td>Frequentemente, t\u00eampera dupla.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <p>\n        Os a\u00e7os D2, D4, D5 e D7 s\u00e3o geralmente tratados como a\u00e7os de t\u00eampera ao ar. A t\u00eampera ao ar ajuda a reduzir a distor\u00e7\u00e3o em compara\u00e7\u00e3o com a t\u00eampera em \u00f3leo. O a\u00e7o D3 \u00e9 tradicionalmente temperado em \u00f3leo, portanto, o controle da t\u00eampera \u00e9 mais cr\u00edtico para ferramentas com formatos complexos ou requisitos dimensionais rigorosos.\n      <\/p>\n      <p>\n        O revenido a baixa temperatura, em torno de 200 \u00b0C, \u00e9 comumente utilizado quando se prioriza alta dureza e resist\u00eancia ao desgaste. O revenido a alta temperatura, entre 480 e 540 \u00b0C, pode ser utilizado para explorar a resposta de endurecimento secund\u00e1rio, especialmente quando se requer maior estabilidade dimensional ou resist\u00eancia ao revenido.\n      <\/p>\n      <p>\n        A dureza m\u00e1xima n\u00e3o deve ser o \u00fanico objetivo. Para ferramentas com risco de lascamento ou fissuras nas arestas, uma dureza ligeiramente inferior pode proporcionar uma vida \u00fatil mais longa do que a dureza HRC m\u00e1xima poss\u00edvel.\n      <\/p>\n\n      <h2>Aplica\u00e7\u00f5es dos a\u00e7os-ferramenta da s\u00e9rie D<\/h2>\n      <p>\n        Os a\u00e7os ferramenta da s\u00e9rie D s\u00e3o utilizados em aplica\u00e7\u00f5es de trabalho a frio onde a resist\u00eancia ao desgaste, a reten\u00e7\u00e3o de fio e o controle dimensional s\u00e3o mais importantes do que a resist\u00eancia ao impacto. A tabela abaixo relaciona aplica\u00e7\u00f5es comuns com as classes de a\u00e7o adequadas.\n      <\/p>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>\u00c1rea de aplica\u00e7\u00e3o<\/th>\n              <th>Graus adequados<\/th>\n              <th>Raz\u00e3o<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>Matrizes de corte<\/td>\n              <td>D2, D3, D4<\/td>\n              <td>Alta resist\u00eancia ao desgaste e \u00e0 compress\u00e3o.<\/td>\n            <\/tr>\n            <tr>\n              <td>Matrizes de estampagem<\/td>\n              <td>D2, D3<\/td>\n              <td>Adequado para longas s\u00e9ries de produ\u00e7\u00e3o<\/td>\n            <\/tr>\n            <tr>\n              <td>Pun\u00e7\u00f5es<\/td>\n              <td>D2, D3, D6<\/td>\n              <td>Alta dureza e resist\u00eancia \u00e0 press\u00e3o<\/td>\n            <\/tr>\n            <tr>\n              <td>L\u00e2minas de tesoura<\/td>\n              <td>D2, D3, D5<\/td>\n              <td>Reten\u00e7\u00e3o de borda e resist\u00eancia ao desgaste<\/td>\n            <\/tr>\n            <tr>\n              <td>Facas de corte<\/td>\n              <td>D2, D3<\/td>\n              <td>Estabilidade de ponta<\/td>\n            <\/tr>\n            <tr>\n              <td>Matrizes de conforma\u00e7\u00e3o<\/td>\n              <td>D2, D4<\/td>\n              <td>Resist\u00eancia ao desgaste com controle dimensional<\/td>\n            <\/tr>\n            <tr>\n              <td>Desenho morre<\/td>\n              <td>D2, D3, D4<\/td>\n              <td>Resist\u00eancia ao desgaste por deslizamento<\/td>\n            <\/tr>\n            <tr>\n              <td>Matrizes de lamina\u00e7\u00e3o de roscas<\/td>\n              <td>D2<\/td>\n              <td>Resist\u00eancia \u00e0 abras\u00e3o e baixa movimenta\u00e7\u00e3o ap\u00f3s tratamento t\u00e9rmico.<\/td>\n            <\/tr>\n            <tr>\n              <td>Medidores de precis\u00e3o<\/td>\n              <td>D2<\/td>\n              <td>Estabilidade dimensional<\/td>\n            <\/tr>\n            <tr>\n              <td>Moldes de tijolo e cer\u00e2mica<\/td>\n              <td>D7<\/td>\n              <td>Resist\u00eancia extrema \u00e0 abras\u00e3o<\/td>\n            <\/tr>\n            <tr>\n              <td>Rolos de grava\u00e7\u00e3o e sedes de v\u00e1lvulas<\/td>\n              <td>D6<\/td>\n              <td>Aplica\u00e7\u00f5es especializadas resistentes ao desgaste<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Como escolher o a\u00e7o ferramenta da s\u00e9rie D correto<\/h2>\n      <p>\n        A melhor classe da s\u00e9rie D depende do modo de falha da ferramenta, da dureza necess\u00e1ria, das toler\u00e2ncias dimensionais, do m\u00e9todo de tratamento t\u00e9rmico e do custo de fabrica\u00e7\u00e3o.\n      <\/p>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Requisito principal<\/th>\n              <th>Melhor escolha<\/th>\n              <th>Raz\u00e3o<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>Ferramentas gerais para trabalho a frio<\/td>\n              <td>D2<\/td>\n              <td>Desempenho equilibrado e ampla disponibilidade<\/td>\n            <\/tr>\n            <tr>\n              <td>Maior resist\u00eancia ao desgaste do que o D2<\/td>\n              <td>D3, D4, D6 ou D7<\/td>\n              <td>Maior volume de carboneto ou projeto de liga especial<\/td>\n            <\/tr>\n            <tr>\n              <td>Melhor controle dimensional<\/td>\n              <td>D2, D4, D5<\/td>\n              <td>O comportamento de endurecimento ao ar reduz o movimento.<\/td>\n            <\/tr>\n            <tr>\n              <td>M\u00e1xima resist\u00eancia \u00e0 abras\u00e3o<\/td>\n              <td>D7<\/td>\n              <td>Alto teor de carbono e alto teor de van\u00e1dio<\/td>\n            <\/tr>\n            <tr>\n              <td>Alta resist\u00eancia \u00e0 compress\u00e3o<\/td>\n              <td>D3<\/td>\n              <td>Adequado para alta press\u00e3o e carregamento gradual.<\/td>\n            <\/tr>\n            <tr>\n              <td>Cisalhamento ou conforma\u00e7\u00e3o a quente limitados<\/td>\n              <td>D5<\/td>\n              <td>O cobalto melhora a resist\u00eancia ao amolecimento.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <div class=\"aobo-note-box\">\n        <p>\n          Se uma ferramenta for feita de <a href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\">A2<\/a> ou <a href=\"https:\/\/aobosteel.com\/pt\/o1-tool-steel\/\">O1<\/a> Se o desgaste for muito r\u00e1pido, o D2 costuma ser a primeira op\u00e7\u00e3o da s\u00e9rie D a ser considerada. Se mesmo com o D2 o desgaste for muito r\u00e1pido, sem <a href=\"https:\/\/aobosteel.com\/pt\/tool-steels-for-chipping-resistance\/\">lascas<\/a>, um a\u00e7o da s\u00e9rie D com maior resist\u00eancia ao desgaste pode ser adequado. Se o a\u00e7o D2 lascar ou rachar, um a\u00e7o mais resistente pode resolver o problema melhor do que outro a\u00e7o da s\u00e9rie D mais duro.\n        <\/p>\n      <\/div>\n\n    <\/main>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Precisa de fornecimento em grande quantidade de a\u00e7o ferramenta da s\u00e9rie D?<\/h2>\n        <p>\n          A Aobo Steel fornece barras redondas e planas de a\u00e7o ferramenta das s\u00e9ries D2, D3, D6 e outras s\u00e9ries D para pedidos industriais em grande quantidade. Envie-nos a especifica\u00e7\u00e3o, o tamanho, a quantidade e a aplica\u00e7\u00e3o desejadas.\n        <\/p>\n      <\/div>\n      <a class=\"aobo-btn aobo-btn-inquiry popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n    <\/section>\n\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Tool Steel Technical Guide D-Series Tool Steels D-series tool steels are high-carbon, high-chromium cold-work tool steels used for long-run dies, punches, knives, shear blades, drawing tools, thread-rolling dies, and wear-resistant tooling. They are selected when abrasive wear resistance, high hardness, compressive strength, and dimensional stability are more important than impact toughness. D-Series Tool Steel Grades [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15549,"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-15548","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>D-Series Tool Steels: D2, D3, D5, D6 Grades Guide - AoboSteel<\/title>\n<meta name=\"description\" content=\"Compare D-series tool steels including D2, D3, D5, D6 and D7. Learn their equivalent standards, composition, properties, heat treatment, applications and selection guidance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/pt\/d-series-tool-steels\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D-Series Tool Steels: D2, D3, D5, D6 Grades Guide\" \/>\n<meta property=\"og:description\" content=\"Compare D-series tool steels including D2, D3, D5, D6 and D7. 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