{"id":15271,"date":"2026-05-12T14:09:40","date_gmt":"2026-05-12T06:09:40","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15271"},"modified":"2026-06-25T10:25:01","modified_gmt":"2026-06-25T02:25:01","slug":"a2-tool-steel-properties","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/a2-tool-steel-properties\/","title":{"rendered":"Propriedades do a\u00e7o ferramenta A2: dureza, usinabilidade e aplica\u00e7\u00f5es"},"content":{"rendered":"<section class=\"aobo-a2-properties-page\">\n  <style>\n    .aobo-a2-properties-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:inherit;\n      color: var(--aobo-text);\n      line-height: 1.7;\n      background: 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   font-size: 14px;\n      line-height: 1.2;\n      transition: all 0.2s ease;\n      cursor: pointer;\n      white-space: nowrap;\n    }\n\n    .aobo-btn:hover {\n      transform: translateY(-1px);\n    }\n\n    .aobo-btn-detail {\n      flex: 1 1 0;\n      color: var(--aobo-blue-dark) !important;\n      background: #ffffff;\n      border: 1px solid var(--aobo-blue-line);\n    }\n\n    .aobo-btn-inquiry {\n      flex: 1 1 0;\n      min-width: 118px;\n      color: #ffffff !important;\n      background: var(--aobo-blue);\n      border: 1px solid var(--aobo-blue);\n    }\n\n    .aobo-btn-detail:hover {\n      background: var(--aobo-blue-soft);\n      border-color: var(--aobo-blue-line);\n      color: var(--aobo-blue-dark) !important;\n    }\n\n    .aobo-btn-inquiry:hover {\n      background: var(--aobo-blue-dark);\n      border-color: var(--aobo-blue-dark);\n      color: #ffffff !important;\n    }\n\n    .aobo-article {\n      max-width: 1180px;\n      margin: 0 auto;\n    }\n\n    .aobo-article h2 {\n      margin: 44px 0 16px;\n      color: #082d6f;\n      font-size: 30px;\n      line-height: 1.25;\n    }\n\n    .aobo-article h3 {\n      margin: 28px 0 10px;\n      color: #082d6f;\n      font-size: 22px;\n      line-height: 1.3;\n    }\n\n    .aobo-article p {\n      margin: 0 0 18px;\n      font-size: 17px;\n      color: var(--aobo-text);\n      width: 100%;\n    }\n\n    .aobo-article a:not(.aobo-btn):not(.aobo-related-card) {\n      color: var(--aobo-blue);\n      font-weight: 700;\n      text-decoration: none;\n      transition: color 0.2s ease, background 0.2s ease;\n    }\n\n    .aobo-article a:not(.aobo-btn):not(.aobo-related-card):hover {\n      color: var(--aobo-orange);\n      background: var(--aobo-blue-soft);\n    }\n\n    .aobo-hero a:not(.aobo-btn):not(.aobo-related-card) {\n      color: var(--aobo-blue);\n      font-weight: 700;\n      text-decoration: none;\n      transition: color 0.2s ease, background 0.2s ease;\n    }\n\n    .aobo-hero a:not(.aobo-btn):not(.aobo-related-card):hover {\n      color: var(--aobo-orange);\n      background: var(--aobo-blue-soft);\n    }\n\n    .aobo-table-wrap {\n      overflow-x: auto;\n      margin: 22px 0 28px;\n      border-radius: 18px;\n      border: 1px solid var(--aobo-border);\n      box-shadow: 0 12px 32px rgba(12, 86, 208, 0.07);\n    }\n\n    .aobo-table {\n      width: 100%;\n      border-collapse: collapse;\n      background: #ffffff;\n      min-width: 760px;\n    }\n\n    .aobo-table th {\n      background: var(--aobo-blue-soft);\n      color: #082d6f;\n      text-align: left;\n      padding: 14px 16px;\n      font-size: 15px;\n      vertical-align: top;\n    }\n\n    .aobo-table td {\n      padding: 14px 16px;\n      border-bottom: 1px solid #e8eef8;\n      vertical-align: top;\n      font-size: 15px;\n    }\n\n    .aobo-table tr:last-child td {\n      border-bottom: none;\n    }\n\n    .aobo-table td:first-child {\n      color: #082d6f;\n      font-weight: 700;\n    }\n\n    .aobo-note-box {\n      margin: 34px 0;\n      padding: 22px 24px;\n      border: 1px solid var(--aobo-border);\n      border-left: 5px solid var(--aobo-orange);\n      border-radius: 16px;\n      background: #fbfdff;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-note-box p {\n      margin: 0;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-choice-grid {\n      display: grid;\n      grid-template-columns: repeat(3, minmax(0, 1fr));\n      gap: 16px;\n      margin: 24px 0 30px;\n    }\n\n    .aobo-choice-card {\n      border: 1px solid var(--aobo-border);\n      border-radius: 20px;\n      background: #ffffff;\n      padding: 22px;\n      box-shadow: 0 10px 26px rgba(12, 86, 208, 0.06);\n    }\n\n    .aobo-choice-card h3 {\n      margin: 0 0 10px;\n      color: #082d6f;\n      font-size: 21px;\n      line-height: 1.3;\n    }\n\n    .aobo-choice-card p {\n      margin-bottom: 0;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-supply-block {\n      display: grid;\n     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    margin: 0;\n      font-size: 17px;\n      color: var(--aobo-text);\n      width: 100%;\n    }\n\n    .aobo-supply-actions {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 12px;\n      margin-top: 18px;\n    }\n\n    .aobo-supply-actions .aobo-btn {\n      min-width: 210px;\n    }\n\n    .aobo-related-pages {\n      margin: 38px 0 0;\n      padding: 30px 34px;\n      border: 1px solid var(--aobo-border);\n      border-radius: 26px;\n      background: #ffffff;\n      box-shadow: 0 12px 32px rgba(12, 86, 208, 0.07);\n    }\n\n    .aobo-related-pages h2 {\n      margin: 0;\n      color: #082d6f;\n      font-size: 30px;\n      line-height: 1.25;\n      letter-spacing: 0;\n    }\n\n    .aobo-related-grid {\n      display: grid;\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n      gap: 14px;\n      margin-top: 18px;\n    }\n\n    .aobo-related-card {\n      display: block;\n      padding: 18px;\n      border: 1px solid var(--aobo-border);\n      border-radius: 16px;\n      background: #fbfdff;\n      text-decoration: none;\n      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;\n    }\n\n    .aobo-related-card:hover {\n      transform: translateY(-2px);\n      border-color: rgba(12, 86, 208, 0.35);\n      box-shadow: 0 12px 26px rgba(12, 86, 208, 0.10);\n      background: #ffffff;\n    }\n\n    .aobo-related-card strong {\n      display: block;\n      margin-bottom: 6px;\n      color: #082d6f;\n      font-size: 17px;\n      line-height: 1.3;\n    }\n\n    .aobo-related-card span {\n      display: block;\n      color: var(--aobo-muted);\n      font-size: 15px;\n      line-height: 1.55;\n    }\n\n    .aobo-final-cta {\n      margin-top: 24px;\n      padding: 34px;\n      border-radius: 28px;\n      background: linear-gradient(135deg, #073b91 0%, #0c56d0 100%);\n      color: #ffffff;\n      box-shadow: 0 18px 45px rgba(12, 86, 208, 0.20);\n      display: flex;\n      align-items: center;\n      justify-content: space-between;\n      gap: 20px;\n      flex-wrap: wrap;\n    }\n\n    .aobo-final-cta h2 {\n      margin: 0 0 12px;\n      color: #ffffff;\n      font-size: 26px;\n    }\n\n    .aobo-final-cta > div {\n      flex: 1 1 760px;\n      min-width: 0;\n    }\n\n    .aobo-final-cta p {\n      margin: 0;\n      color: rgba(255, 255, 255, 0.92);\n      max-width: 100%;\n    }\n\n    .aobo-final-cta .aobo-btn {\n      flex: 0 0 auto;\n      background: #ffffff;\n      border-color: #ffffff;\n      color: var(--aobo-blue) !important;\n    }\n\n    @media (max-width: 980px) {\n      .aobo-choice-grid {\n        grid-template-columns: repeat(2, minmax(0, 1fr));\n      }\n    }\n\n    @media (max-width: 620px) {\n      .aobo-hero {\n        padding: 30px 22px;\n      }\n\n      .aobo-choice-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .aobo-buttons {\n        flex-direction: column;\n      }\n\n      .aobo-supply-block {\n        grid-template-columns: 1fr;\n        gap: 18px;\n        padding: 20px;\n      }\n\n      .aobo-supply-image {\n        width: min(190px, 100%);\n        margin: 0 auto;\n      }\n\n      .aobo-supply-actions .aobo-btn {\n        width: 100%;\n      }\n\n      .aobo-related-pages {\n        padding: 24px 20px;\n      }\n\n      .aobo-related-pages h2 {\n        font-size: 25px;\n      }\n\n      .aobo-related-grid {\n        grid-template-columns: 1fr;\n      }\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\">Propriedades do a\u00e7o ferramenta para trabalho a frio<\/span>\n      <h1>Propriedades do a\u00e7o para ferramentas A2<\/h1>\n      <p>O a\u00e7o ferramenta A2 \u00e9 um a\u00e7o ferramenta para trabalho a frio com endurecimento ao ar, apresentando boa resist\u00eancia ao desgaste, tenacidade m\u00e9dia a boa, excelente estabilidade dimensional e dureza de trabalho comum em torno de 57\u201362 HRC ap\u00f3s tratamento t\u00e9rmico.<\/p>\n      <p>O a\u00e7o A2 \u00e9 amplamente utilizado em pun\u00e7\u00f5es, matrizes, ferramentas de conforma\u00e7\u00e3o, l\u00e2minas de corte, matrizes de lamina\u00e7\u00e3o de roscas, calibradores, ferramentas de precis\u00e3o e componentes para trabalho a frio que exigem um equil\u00edbrio pr\u00e1tico entre resist\u00eancia ao desgaste, tenacidade, usinabilidade e estabilidade ao tratamento t\u00e9rmico.<\/p>\n      <p>Suprimentos de a\u00e7o Aobo <a href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\">A\u00e7o ferramenta para trabalho a frio A2 com t\u00eampera ao ar<\/a> Para matrizes, pun\u00e7\u00f5es, l\u00e2minas, calibradores, ferramentas de conforma\u00e7\u00e3o e aplica\u00e7\u00f5es de ferramentas de precis\u00e3o.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <section class=\"aobo-supply-block\" aria-label=\"Consulta e detalhes do produto em a\u00e7o ferramenta A2\">\n        <div class=\"aobo-supply-image\">\n          <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/A2-MATERIAL.webp\" alt=\"Barra de a\u00e7o ferramenta A2\" loading=\"lazy\">\n        <\/div>\n        <div class=\"aobo-supply-content\">\n          <h2>Confirmado: A2 \u00e9 a nota certa?<\/h2>\n          <p>A Aobo Steel fornece a\u00e7o A2 recozido, pronto para usinagem e tratamento t\u00e9rmico. Envie suas dimens\u00f5es e quantidades, ou consulte as especifica\u00e7\u00f5es completas do produto e a disponibilidade em estoque.<\/p>\n          <div class=\"aobo-supply-actions\">\n            <a class=\"aobo-btn aobo-btn-inquiry popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\">Veja os detalhes do a\u00e7o ferramenta A2.<\/a>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <h2>Resumo das propriedades do a\u00e7o ferramenta A2<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Propriedade<\/th><th>Comportamento t\u00edpico do a\u00e7o ferramenta A2<\/th><th>Significado pr\u00e1tico<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Tipo de a\u00e7o<\/td><td>A\u00e7o ferramenta para trabalho a frio com t\u00eampera ao ar<\/td><td>Utilizado para ferramentas de trabalho a frio de precis\u00e3o<\/td><\/tr>\n            <tr><td>Principais equivalentes<\/td><td>1.2363, SKD12, Cr5Mo1V, UNS T30102<\/td><td>\u00datil para compras internacionais.<\/td><\/tr>\n            <tr><td>Dureza de trabalho t\u00edpica<\/td><td>Aproximadamente 57\u201362 HRC<\/td><td>Depende da temperatura de t\u00eampera e da aplica\u00e7\u00e3o.<\/td><\/tr>\n            <tr><td>Dureza ap\u00f3s recozimento<\/td><td>Aproximadamente 201\u2013229 HB<\/td><td>Adequado para usinagem antes do endurecimento.<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>Bom<\/td><td>Melhor que <a href=\"https:\/\/aobosteel.com\/pt\/o1-tool-steel\/\">O1<\/a> e a\u00e7os da s\u00e9rie S, inferiores a <a href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel\/\">D2<\/a><\/td><\/tr>\n            <tr><td>Robustez<\/td><td>De m\u00e9dio a bom<\/td><td>Melhor que D2, inferior a <a href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel\/\">S7<\/a><\/td><\/tr>\n            <tr><td>Estabilidade dimensional<\/td><td>Muito bom<\/td><td>Baixa movimenta\u00e7\u00e3o durante o endurecimento ao ar<\/td><\/tr>\n            <tr><td>Usinabilidade<\/td><td>Aproximadamente 60% de a\u00e7o carbono para ferramentas 1% de refer\u00eancia<\/td><td>Mais f\u00e1cil de usinar do que o D2.<\/td><\/tr>\n            <tr><td>Resposta ao tratamento t\u00e9rmico<\/td><td>Endurecimento ao ar, revenimento duplo recomendado<\/td><td>Ajuda a reduzir a distor\u00e7\u00e3o e a fragilidade.<\/td><\/tr>\n            <tr><td>Resist\u00eancia \u00e0 corros\u00e3o<\/td><td>N\u00e3o \u00e9 inoxid\u00e1vel<\/td><td>Requer prote\u00e7\u00e3o contra ferrugem.<\/td><\/tr>\n            <tr><td>Principais aplica\u00e7\u00f5es<\/td><td>Pun\u00e7\u00f5es, matrizes, ferramentas de conforma\u00e7\u00e3o, l\u00e2minas de corte, calibradores<\/td><td>Utilizado em diversas aplica\u00e7\u00f5es de ferramentas para trabalho a frio.<\/td><\/tr>\n            <tr><td>Principal limita\u00e7\u00e3o<\/td><td>N\u00e3o \u00e9 a\u00e7o r\u00e1pido nem a\u00e7o para trabalho a quente.<\/td><td>N\u00e3o \u00e9 adequado para matrizes de forjamento a quente ou ferramentas de corte de alta velocidade.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>A\u00e7os equivalentes ao a\u00e7o ferramenta A2<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Padr\u00e3o\/Sistema<\/th><th>Grau equivalente<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>AISI \/ ASTM<\/td><td>A2<\/td><\/tr>\n            <tr><td>ONU<\/td><td>T30102<\/td><\/tr>\n            <tr><td>DIN \/ W-Nr.<\/td><td>1.2363<\/td><\/tr>\n            <tr><td>Nome DIN \/ EN<\/td><td>X100CrMoV5<\/td><\/tr>\n            <tr><td>JIS<\/td><td>SKD12<\/td><\/tr>\n            <tr><td>GB<\/td><td>Cr5Mo1V<\/td><\/tr>\n            <tr><td>BS<\/td><td>BA2<\/td><\/tr>\n            <tr><td>AFNOR<\/td><td>Z100CDV5<\/td><\/tr>\n            <tr><td>SS<\/td><td>2260<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <div class=\"aobo-note-box\">\n        <p>Os usu\u00e1rios devem confirmar a composi\u00e7\u00e3o qu\u00edmica, as condi\u00e7\u00f5es de entrega, os requisitos de dureza, os padr\u00f5es de inspe\u00e7\u00e3o e o processo de tratamento t\u00e9rmico antes de fazer o pedido.<\/p>\n      <\/div>\n\n      <h2>Composi\u00e7\u00e3o qu\u00edmica do a\u00e7o ferramenta A2<\/h2>\n      <p>O a\u00e7o ferramenta A2 \u00e9 um a\u00e7o ferramenta para trabalho a frio, composto por liga de cromo, molibd\u00eanio e van\u00e1dio. Sua composi\u00e7\u00e3o proporciona melhor temperabilidade e estabilidade dimensional do que os a\u00e7os simples de t\u00eampera em \u00f3leo, mantendo ao mesmo tempo melhor tenacidade e usinabilidade do que os a\u00e7os com alto teor de carbono e cromo, como o D2.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Elemento<\/th><th>Faixa t\u00edpica<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Carbono, C<\/td><td>0,95\u20131,05%<\/td><\/tr>\n            <tr><td>Cromo, Cr<\/td><td>4,75\u20135,50%<\/td><\/tr>\n            <tr><td>Molibd\u00eanio, Mo<\/td><td>0,90\u20131,40%<\/td><\/tr>\n            <tr><td>Van\u00e1dio, V<\/td><td>0,15\u20130,50%<\/td><\/tr>\n            <tr><td>Mangan\u00eas, Mn<\/td><td>At\u00e9 1.00%<\/td><\/tr>\n            <tr><td>Sil\u00edcio, Si<\/td><td>At\u00e9 0,50%<\/td><\/tr>\n            <tr><td>N\u00edquel, Ni<\/td><td>At\u00e9 0,30%<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o ferramenta A2 n\u00e3o \u00e9 a\u00e7o inoxid\u00e1vel. Seu teor de cromo contribui para a temperabilidade e resist\u00eancia ao desgaste, mas n\u00e3o \u00e9 suficiente para proporcionar a resist\u00eancia \u00e0 corros\u00e3o caracter\u00edstica dos a\u00e7os inoxid\u00e1veis. O a\u00e7o A2 deve ser protegido contra ferrugem durante o armazenamento, usinagem, transporte e uso.<\/p>\n\n      <h2>Dureza do a\u00e7o para ferramentas A2<\/h2>\n      <p>O a\u00e7o ferramenta A2 \u00e9 normalmente fornecido em estado recozido, sendo posteriormente usinado, temperado e revenido at\u00e9 atingir a dureza de trabalho necess\u00e1ria. A dureza final depende do processo de tratamento t\u00e9rmico, da dimens\u00e3o da se\u00e7\u00e3o transversal, da temperatura de revenimento e da aplica\u00e7\u00e3o da ferramenta.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Condi\u00e7\u00e3o<\/th><th>Dureza t\u00edpica<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Condi\u00e7\u00e3o de recozimento<\/td><td>Aproximadamente 201\u2013229 HB<\/td><\/tr>\n            <tr><td>dureza m\u00e1xima ap\u00f3s recozimento<\/td><td>Geralmente em torno de 235 HB, dependendo da especifica\u00e7\u00e3o.<\/td><\/tr>\n            <tr><td>condi\u00e7\u00e3o ap\u00f3s t\u00eampera<\/td><td>Aproximadamente 63\u201365 HRC<\/td><\/tr>\n            <tr><td>Dureza de trabalho comum<\/td><td>Aproximadamente 57\u201362 HRC<\/td><\/tr>\n            <tr><td>Alcance comum para muitas ferramentas de trabalho a frio.<\/td><td>Aproximadamente 58\u201360 HRC<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>Uma dureza maior pode melhorar a resist\u00eancia ao desgaste, mas tamb\u00e9m aumenta o risco de lascamento. Uma dureza menor pode melhorar a tenacidade, mas pode reduzir a vida \u00fatil da l\u00e2mina.<\/p>\n      <p>Para muitas pun\u00e7\u00f5es, ferramentas de conforma\u00e7\u00e3o, matrizes de corte, calibradores e componentes para trabalho a frio, o a\u00e7o A2 \u00e9 frequentemente utilizado com dureza de 58\u201360 HRC. Ferramentas de corte e ferramentas de aresta fina podem exigir uma faixa de dureza diferente, dependendo do material a ser processado e do risco de lascamento da aresta.<\/p>\n\n      <h2>Resist\u00eancia ao desgaste, tenacidade e estabilidade dimensional.<\/h2>\n      <p>A liga A2 \u00e9 geralmente escolhida por oferecer uma combina\u00e7\u00e3o equilibrada de resist\u00eancia ao desgaste, tenacidade e estabilidade dimensional.<\/p>\n      <div class=\"aobo-choice-grid\">\n        <article class=\"aobo-choice-card\">\n          <h3>Boa resist\u00eancia ao desgaste<\/h3>\n          <p>O A2 geralmente oferece melhor resist\u00eancia ao desgaste, maior endurecimento e melhor estabilidade dimensional do que o O1, mas n\u00e3o se compara ao D2 em desgaste abrasivo severo.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>Resist\u00eancia \u00fatil<\/h3>\n          <p>O a\u00e7o A2 possui melhor resist\u00eancia que o D2 por conter menos carbonetos grandes, mas n\u00e3o \u00e9 t\u00e3o resistente quanto o S7 sob forte impacto ou quebra repentina.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>Baixa distor\u00e7\u00e3o<\/h3>\n          <p>Como o a\u00e7o A2 endurece no ar, ele esfria mais lentamente do que os a\u00e7os temperados em \u00f3leo ou \u00e1gua, ajudando a reduzir a tens\u00e3o de t\u00eampera e a distor\u00e7\u00e3o.<\/p>\n        <\/article>\n      <\/div>\n      <p>O a\u00e7o A2 costuma ser a melhor escolha quando a ferramenta precisa resistir tanto ao desgaste quanto ao lascamento. Isso \u00e9 comum em pun\u00e7\u00f5es, ferramentas de corte, matrizes de conforma\u00e7\u00e3o, l\u00e2minas de corte e ferramentas de precis\u00e3o para trabalho a frio.<\/p>\n\n      <h2>Propriedades mec\u00e2nicas do a\u00e7o ferramenta A2<\/h2>\n      <p>As propriedades mec\u00e2nicas do a\u00e7o ferramenta A2 dependem fortemente das condi\u00e7\u00f5es de fornecimento e do tratamento t\u00e9rmico. No estado recozido, o A2 \u00e9 fornecido com uma dureza suficiente para usinagem. Ap\u00f3s t\u00eampera e revenido, sua resist\u00eancia, dureza, resist\u00eancia ao desgaste e desempenho como ferramenta aumentam significativamente.<\/p>\n      <p>A resist\u00eancia \u00e0 tra\u00e7\u00e3o e o limite de escoamento do a\u00e7o ferramenta A2 n\u00e3o s\u00e3o valores fixos. Eles dependem do n\u00edvel de dureza, da temperatura de revenido, da dimens\u00e3o da se\u00e7\u00e3o transversal, do m\u00e9todo de ensaio e das condi\u00e7\u00f5es de tratamento t\u00e9rmico.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Condi\u00e7\u00e3o<\/th><th>Refer\u00eancia de propriedades mec\u00e2nicas<\/th><th>Nota pr\u00e1tica<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>A2 recozido<\/td><td>Resist\u00eancia \u00e0 tra\u00e7\u00e3o de aproximadamente 100 ksi \/ 710 MPa<\/td><td>Refer\u00eancia para condi\u00e7\u00e3o de entrega suave<\/td><\/tr>\n            <tr><td>A2 recozido<\/td><td>Limite de escoamento de aproximadamente 50 ksi \/ 350 MPa<\/td><td>N\u00e3o representa o desempenho de uma ferramenta temperada.<\/td><\/tr>\n            <tr><td>A\u00e7o A2 temperado e revenido<\/td><td>A resist\u00eancia depende da dureza final e das condi\u00e7\u00f5es de revenimento.<\/td><td>Confirme os dados sob as condi\u00e7\u00f5es de tratamento t\u00e9rmico exigidas.<\/td><\/tr>\n            <tr><td>C\u00e1lculo de engenharia<\/td><td>Os dados de tra\u00e7\u00e3o, limite de escoamento, impacto ou compress\u00e3o devem corresponder ao estado real do tratamento t\u00e9rmico.<\/td><td>N\u00e3o utilize valores gen\u00e9ricos sem condi\u00e7\u00e3o.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>Para o projeto de ferramentas, dureza, tenacidade, resist\u00eancia ao desgaste, resist\u00eancia \u00e0 compress\u00e3o e estabilidade dimensional s\u00e3o geralmente mais importantes do que um \u00fanico valor de resist\u00eancia \u00e0 tra\u00e7\u00e3o ou ao escoamento.<\/p>\n\n      <h2>Propriedades f\u00edsicas e t\u00e9rmicas do a\u00e7o ferramenta A2<\/h2>\n      <p>As propriedades f\u00edsicas e t\u00e9rmicas s\u00e3o \u00fateis para o c\u00e1lculo de peso, planejamento de tratamento t\u00e9rmico, ferramentas de precis\u00e3o e como refer\u00eancia de engenharia. Os valores podem variar ligeiramente de acordo com a fonte de dados, a condi\u00e7\u00e3o, a temperatura e a forma do produto.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Propriedade<\/th><th>Valor de refer\u00eancia t\u00edpico<\/th><th>Significado pr\u00e1tico<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Densidade<\/td><td>Aproximadamente 7,75\u20137,86 g\/cm\u00b3<\/td><td>Utilizado para c\u00e1lculo de peso<\/td><\/tr>\n            <tr><td>Gravidade espec\u00edfica<\/td><td>Aproximadamente 7,87<\/td><td>Refer\u00eancia geral para densidade de materiais<\/td><\/tr>\n            <tr><td>M\u00f3dulo de elasticidade<\/td><td>Cerca de 190\u2013207 GPa<\/td><td>\u00datil como refer\u00eancia para rigidez em engenharia.<\/td><\/tr>\n            <tr><td>Condutividade t\u00e9rmica<\/td><td>Aproximadamente 26 W\/m\u00b7K perto de 95\u00b0C<\/td><td>Afeta a transfer\u00eancia de calor durante o servi\u00e7o e o tratamento t\u00e9rmico.<\/td><\/tr>\n            <tr><td>Coeficiente de expans\u00e3o t\u00e9rmica<\/td><td>Aproximadamente 10,6 \u00b5m\/m\u00b7\u00b0C de 20 a 260\u00b0C<\/td><td>Importante para altera\u00e7\u00f5es dimensionais sob temperatura.<\/td><\/tr>\n            <tr><td>Calor espec\u00edfico<\/td><td>Aproximadamente 460 J\/kg\u00b7\u00b0C<\/td><td>Refer\u00eancia para tratamento t\u00e9rmico e c\u00e1lculo t\u00e9rmico<\/td><\/tr>\n            <tr><td>Comportamento magn\u00e9tico<\/td><td>Geralmente magn\u00e9tico<\/td><td>A2 \u00e9 um a\u00e7o ferramenta \u00e0 base de ferro.<\/td><\/tr>\n            <tr><td>Resist\u00eancia \u00e0 corros\u00e3o<\/td><td>N\u00e3o \u00e9 inoxid\u00e1vel<\/td><td>Requer prote\u00e7\u00e3o contra ferrugem.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o A2 \u00e9 geralmente considerado dimensionalmente est\u00e1vel durante o tratamento t\u00e9rmico, mas isso n\u00e3o significa que n\u00e3o sofra altera\u00e7\u00f5es dimensionais. Ferramentas de precis\u00e3o devem permitir retifica\u00e7\u00e3o, lapida\u00e7\u00e3o ou acabamento ap\u00f3s a t\u00eampera, quando toler\u00e2ncias rigorosas s\u00e3o necess\u00e1rias.<\/p>\n\n      <h2>Propriedades do a\u00e7o ferramenta A2 recozido<\/h2>\n      <p>O a\u00e7o ferramenta A2 \u00e9 geralmente fornecido em condi\u00e7\u00e3o recozida para usinagem. Nesse estado, apresenta menor dureza, melhor usinabilidade e menor tens\u00e3o interna do que o material temperado.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Propriedade Recozida<\/th><th>Comportamento t\u00edpico<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Dureza<\/td><td>Aproximadamente 201\u2013229 HB<\/td><\/tr>\n            <tr><td>Usinabilidade<\/td><td>Pr\u00e1tico para fresagem, fura\u00e7\u00e3o, torneamento e retifica\u00e7\u00e3o antes do endurecimento.<\/td><\/tr>\n            <tr><td>For\u00e7a<\/td><td>Inferior ao a\u00e7o A2 temperado e revenido<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>N\u00e3o \u00e9 a vers\u00e3o final do desempenho de trabalho.<\/td><\/tr>\n            <tr><td>Objetivo principal<\/td><td>Usinagem antes do tratamento t\u00e9rmico final<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>As propriedades finais do a\u00e7o ferramenta A2 s\u00e3o obtidas somente ap\u00f3s t\u00eampera e revenido adequados, e n\u00e3o em condi\u00e7\u00e3o recozida.<\/p>\n\n      <h2>Propriedades do a\u00e7o ferramenta A2 tratado termicamente<\/h2>\n      <p>Ap\u00f3s o processo de t\u00eampera e revenimento, o a\u00e7o ferramenta A2 pode atingir alta dureza, boa resist\u00eancia ao desgaste, tenacidade \u00fatil e excelente estabilidade dimensional.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Propriedade tratada termicamente<\/th><th>Comportamento t\u00edpico<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>dureza ap\u00f3s t\u00eampera<\/td><td>Aproximadamente 63\u201365 HRC<\/td><\/tr>\n            <tr><td>Dureza de trabalho comum<\/td><td>Aproximadamente 57\u201362 HRC<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>Bom para ferramentas gerais de trabalho a frio.<\/td><\/tr>\n            <tr><td>Robustez<\/td><td>Melhor que D2, pior que S7<\/td><\/tr>\n            <tr><td>Estabilidade dimensional<\/td><td>Muito bom em compara\u00e7\u00e3o com muitas outras classes de endurecimento em \u00f3leo.<\/td><\/tr>\n            <tr><td>Apresenta\u00e7\u00e3o final<\/td><td>Depende da temperatura de t\u00eampera, do controle do resfriamento, da temperatura de revenido e da dimens\u00e3o da se\u00e7\u00e3o transversal.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o A2 normalmente passa por um duplo revenido ap\u00f3s o endurecimento. O duplo revenido ajuda a reduzir a fragilidade e a estabilizar a estrutura, especialmente quando a austenita retida pode sofrer transforma\u00e7\u00e3o ap\u00f3s o primeiro revenido.<\/p>\n\n      <h2>Vis\u00e3o geral do tratamento t\u00e9rmico do a\u00e7o ferramenta A2<\/h2>\n      <p>O a\u00e7o A2 deve ser tratado termicamente corretamente para atingir suas propriedades de trabalho finais. O processo b\u00e1sico inclui recozimento, al\u00edvio de tens\u00f5es quando necess\u00e1rio, pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o, t\u00eampera ao ar e revenido.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Etapa<\/th><th>Pr\u00e1tica t\u00edpica<\/th><th>Finalidade<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Recozimento<\/td><td>Aque\u00e7a lentamente at\u00e9 cerca de 845\u2013899 \u00b0C e, em seguida, deixe esfriar no forno.<\/td><td>Amaciar o a\u00e7o para usinagem<\/td><\/tr>\n            <tr><td>Al\u00edvio do estresse<\/td><td>Geralmente em torno de 649\u2013677\u00b0C ap\u00f3s usinagem de desbaste<\/td><td>Reduzir o estresse de usinagem<\/td><\/tr>\n            <tr><td>Pr\u00e9-aquecimento<\/td><td>Aproximadamente 650\u00b0C<\/td><td>Reduza o choque t\u00e9rmico antes do endurecimento.<\/td><\/tr>\n            <tr><td>Austenitiza\u00e7\u00e3o<\/td><td>Aproximadamente 950\u2013970\u00b0C<\/td><td>Prepare o a\u00e7o para t\u00eampera.<\/td><\/tr>\n            <tr><td>Resfriamento<\/td><td>Resfrie em ar parado ou ar controlado.<\/td><td>Endurecer com menor risco de distor\u00e7\u00e3o<\/td><\/tr>\n            <tr><td>T\u00eampera<\/td><td>Recomenda-se t\u00eampera dupla<\/td><td>Reduzir a fragilidade e estabilizar a estrutura.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o A2 deve ser protegido da oxida\u00e7\u00e3o e da descarboneta\u00e7\u00e3o durante o tratamento t\u00e9rmico. Dependendo da instala\u00e7\u00e3o de tratamento t\u00e9rmico, podem ser utilizados um forno a v\u00e1cuo, um forno de atmosfera controlada, um banho de sal neutro ou envolvimento em folha de a\u00e7o inoxid\u00e1vel.<\/p>\n      <p>Esta p\u00e1gina oferece apenas uma vis\u00e3o geral do processo. Um guia espec\u00edfico sobre tratamento t\u00e9rmico A2 deve abordar com mais detalhes o tempo de perman\u00eancia, a prote\u00e7\u00e3o do forno, as curvas de revenimento, o comportamento da varia\u00e7\u00e3o dimensional e a sele\u00e7\u00e3o da dureza.<\/p>\n\n      <h2>Usinabilidade do a\u00e7o ferramenta A2<\/h2>\n      <p>O a\u00e7o ferramenta A2 apresenta usinabilidade relativamente boa entre os a\u00e7os ferramenta para trabalho a frio com t\u00eampera ao ar. No estado recozido, sua usinabilidade \u00e9 geralmente classificada em torno de 60%, comparada a um a\u00e7o ferramenta carbono 1% de refer\u00eancia com valor 100.<\/p>\n      <p>A ferramenta A2 geralmente \u00e9 mais f\u00e1cil de usinar do que a D2. A A2 costuma ser escolhida quando a ferramenta precisa de melhor usinabilidade do que a D2, mas com maior resist\u00eancia ao desgaste e estabilidade dimensional do que a O1.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Processo<\/th><th>Ponto pr\u00e1tico para a\u00e7o ferramenta A2<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Usinagem<\/td><td>As m\u00e1quinas A2 funcionam razoavelmente bem em condi\u00e7\u00e3o recozida.<\/td><\/tr>\n            <tr><td>Usinagem bruta<\/td><td>Geralmente feito antes do endurecimento<\/td><\/tr>\n            <tr><td>Al\u00edvio do estresse<\/td><td>\u00datil ap\u00f3s usinagem pesada e desbastada.<\/td><\/tr>\n            <tr><td>Moagem<\/td><td>Deve ser controlado ap\u00f3s o endurecimento para evitar superaquecimento e fissuras por retifica\u00e7\u00e3o.<\/td><\/tr>\n            <tr><td>EDM<\/td><td>Pode ser usado em A2 endurecido, mas a camada refundida e a zona afetada pelo calor devem ser removidas para ferramentas mais exigentes.<\/td><\/tr>\n            <tr><td>Soldagem<\/td><td>Poss\u00edvel, mas sens\u00edvel a fissuras; pr\u00e9-aquecimento e al\u00edvio de tens\u00f5es p\u00f3s-soldagem podem ser necess\u00e1rios.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A rota de fabrica\u00e7\u00e3o mais segura \u00e9 usinar o A2 em condi\u00e7\u00e3o recozida, controlar a tens\u00e3o ap\u00f3s o desbaste pesado e realizar o endurecimento e revenimento finais ap\u00f3s a conclus\u00e3o da maior parte do trabalho de conforma\u00e7\u00e3o.<\/p>\n      <p>Caso sejam necess\u00e1rios processos de eletroeros\u00e3o (EDM), retifica\u00e7\u00e3o pesada ou soldagem ap\u00f3s o endurecimento, a condi\u00e7\u00e3o da superf\u00edcie e as tens\u00f5es residuais devem ser cuidadosamente controladas, pois podem afetar a vida \u00fatil da ferramenta.<\/p>\n\n      <h2>Aplica\u00e7\u00f5es comuns do a\u00e7o ferramenta A2<\/h2>\n      <p>A liga A2 \u00e9 utilizada em ferramentas de trabalho a frio, onde a ferramenta deve resistir ao desgaste, manter sua forma e evitar falhas por fragilidade. \u00c9 especialmente \u00fatil quando a liga O1 apresenta baixa estabilidade ou resist\u00eancia ao desgaste, enquanto a liga D2 pode ser muito fr\u00e1gil ou dif\u00edcil de usinar.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Aplicativo<\/th><th>Por que A2 \u00e9 usado?<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Matrizes de corte<\/td><td>Boa resist\u00eancia ao desgaste com menor risco de lascamento do que o D2.<\/td><\/tr>\n            <tr><td>Matrizes para perfura\u00e7\u00e3o e corte<\/td><td>Resist\u00eancia \u00fatil e estabilidade de borda<\/td><\/tr>\n            <tr><td>Ferramentas de conforma\u00e7\u00e3o e dobra<\/td><td>Boa estabilidade dimensional ap\u00f3s tratamento t\u00e9rmico.<\/td><\/tr>\n            <tr><td>Desenho morre<\/td><td>Resist\u00eancia ao desgaste e tenacidade equilibradas<\/td><\/tr>\n            <tr><td>Matrizes de cunhagem e estampagem<\/td><td>Preserva os detalhes com distor\u00e7\u00e3o controlada.<\/td><\/tr>\n            <tr><td>Pun\u00e7\u00f5es<\/td><td>Indicado quando tanto o desgaste quanto o lascamento s\u00e3o preocupa\u00e7\u00f5es relevantes.<\/td><\/tr>\n            <tr><td>L\u00e2minas de corte e facas de corte longitudinal<\/td><td>Adequado para trabalhos de corte leves a m\u00e9dios.<\/td><\/tr>\n            <tr><td>Matrizes de lamina\u00e7\u00e3o de roscas<\/td><td>Boa resist\u00eancia \u00e0 compress\u00e3o e ao desgaste.<\/td><\/tr>\n            <tr><td>Calibradores e ferramentas de medi\u00e7\u00e3o<\/td><td>Movimentos baixos favorecem a precis\u00e3o.<\/td><\/tr>\n            <tr><td>Componentes de moldes de pl\u00e1stico<\/td><td>Pode ser usinado em estado recozido e endurecido posteriormente.<\/td><\/tr>\n            <tr><td>Componentes da m\u00e1quina<\/td><td>Utilizado onde s\u00e3o necess\u00e1rias resist\u00eancia ao desgaste e durabilidade.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>A\u00e7o ferramenta A2 vs D2, O1, S7 e DC53<\/h2>\n      <p>A2 \u00e9 frequentemente comparado com D2, O1, S7 e <a href=\"https:\/\/aobosteel.com\/pt\/dc53-tool-steel\/\">DC53<\/a> porque essas classes de a\u00e7o tamb\u00e9m s\u00e3o usadas em ferramentas para trabalho a frio.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Compara\u00e7\u00e3o<\/th><th>Escolha A2 quando<\/th><th>Escolha a outra s\u00e9rie quando<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td><a href=\"https:\/\/aobosteel.com\/pt\/d2-vs-a2-tool-steel\/\">A2 vs D2<\/a><\/td><td>Voc\u00ea precisa de maior resist\u00eancia e usinagem mais f\u00e1cil.<\/td><td>Escolha D2 quando o desgaste abrasivo for o principal problema.<\/td><\/tr>\n            <tr><td><a href=\"https:\/\/aobosteel.com\/pt\/a2-vs-o1-tool-steel\/\">A2 vs O1<\/a><\/td><td>Voc\u00ea precisa de melhor temperabilidade e estabilidade dimensional.<\/td><td>Escolha O1 para ferramentas mais simples e de menor custo.<\/td><\/tr>\n            <tr><td><a href=\"https:\/\/aobosteel.com\/pt\/s7-vs-a2-tool-steel\/\">A2 vs S7<\/a><\/td><td>Voc\u00ea precisa de uma resist\u00eancia ao desgaste melhor do que a do a\u00e7o de choque.<\/td><td>Escolha o S7 quando o principal problema for o impacto forte.<\/td><\/tr>\n            <tr><td>A2 vs DC53<\/td><td>Voc\u00ea precisa de um a\u00e7o de endurecimento ao ar padr\u00e3o e amplamente dispon\u00edvel.<\/td><td>Escolha o DC53 quando for necess\u00e1rio um desempenho aprimorado do tipo D2.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A2 \u00e9 mais resistente e f\u00e1cil de usinar do que D2, mais est\u00e1vel dimensionalmente e resistente ao desgaste do que O1, e mais resistente ao desgaste, mas menos resistente a impactos do que S7.<\/p>\n      <p>Em compara\u00e7\u00e3o com o DC53, o A2 continua sendo um a\u00e7o para trabalho a frio com endurecimento ao ar padr\u00e3o e amplamente dispon\u00edvel, enquanto o DC53 pode ser selecionado quando for necess\u00e1rio um desempenho aprimorado do tipo D2.<\/p>\n    <\/main>\n\n    <section class=\"aobo-related-pages\" aria-label=\"P\u00e1ginas relacionadas ao a\u00e7o ferramenta A2\">\n      <h2>P\u00e1ginas relacionadas<\/h2>\n      <div class=\"aobo-related-grid\">\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-hardness\/\">\n          <strong>Tabela de dureza do a\u00e7o ferramenta A2<\/strong>\n          <span>Valores HRC por condi\u00e7\u00e3o e temperatura de revenido, com a dureza de trabalho recomendada para cada aplica\u00e7\u00e3o de ferramenta de trabalho a frio.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-heat-treatment-guide\/\">\n          <strong>Guia de Tratamento T\u00e9rmico de A\u00e7o para Ferramentas A2<\/strong>\n          <span>Pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o, t\u00eampera ao ar e revenido duplo em etapas para atingir uma dureza est\u00e1vel de 58 a 62 HRC.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-machining-fabrication-guide\/\">\n          <strong>Guia de Usinagem de A\u00e7o Ferramenta A2<\/strong>\n          <span>Velocidades de corte, classifica\u00e7\u00f5es de usinabilidade, pr\u00e1ticas de fura\u00e7\u00e3o, retifica\u00e7\u00e3o, eletroeros\u00e3o e soldagem para A2 recozido e temperado<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-applications\/\">\n          <strong>Aplica\u00e7\u00f5es do a\u00e7o ferramenta A2<\/strong>\n          <span>Onde o A2 se encaixa nas ferramentas de trabalho a frio e como selecion\u00e1-lo pelo modo de falha, em vez de apenas pelas propriedades do material.<\/span>\n        <\/a>\n      <\/div>\n    <\/section>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Precisa de a\u00e7o ferramenta A2 para ferramentas de trabalho a frio?<\/h2>\n        <p>A Aobo Steel fornece barras redondas e planas de a\u00e7o ferramenta A2 para matrizes, pun\u00e7\u00f5es, ferramentas de conforma\u00e7\u00e3o, l\u00e2minas de corte, calibradores e ferramentas de precis\u00e3o. Compartilhe sua especifica\u00e7\u00e3o, tamanho, quantidade, dureza desejada e aplica\u00e7\u00e3o para uma sugest\u00e3o de fornecimento adequada.<\/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>Cold-Work Tool Steel Properties A2 Tool Steel Properties A2 tool steel is an air-hardening cold work tool steel with good wear resistance, medium-to-good toughness, excellent dimensional stability, and common working hardness around 57\u201362 HRC after heat treatment. A2 is widely used for punches, dies, forming tools, shear blades, thread-rolling dies, gages, precision tooling, and cold-work [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15273,"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-15271","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>A2 Tool Steel Properties: Hardness, Machinability &amp; 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