{"id":13540,"date":"2026-03-12T12:03:35","date_gmt":"2026-03-12T04:03:35","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=13540"},"modified":"2026-10-06T08:15:37","modified_gmt":"2026-10-06T00:15:37","slug":"h13-vs-skd61-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/h13-vs-skd61-tool-steel\/","title":{"rendered":"A\u00e7o ferramenta H13 vs SKD61: S\u00e3o iguais? | Aobo Steel"},"content":{"rendered":"<section class=\"aobo-h13-vs-skd61-tool-steel-page\">\n  <style>\n\n\n\n\n\n    .aobo-h13-vs-skd61-tool-steel-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    }\n\n    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   <p>H13 e SKD61 s\u00e3o duas designa\u00e7\u00f5es de a\u00e7o ferramenta para trabalho a quente definidas em normas diferentes, mas geralmente tratadas como equivalentes em aplica\u00e7\u00f5es internacionais de ferramentas. Como n\u00e3o s\u00e3o especificadas pelo mesmo sistema, engenheiros e compradores devem verificar os limites qu\u00edmicos e a certifica\u00e7\u00e3o antes de consider\u00e1-las substitutas diretas.<\/p>\n      <p>Para uma vis\u00e3o geral mais ampla das equival\u00eancias entre padr\u00f5es e compara\u00e7\u00f5es de notas, consulte o <a href=\"https:\/\/aobosteel.com\/pt\/h13-steel-equivalent-grades\/\">Guia de Equival\u00eancia e Compara\u00e7\u00e3o do H13<\/a>.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <h2>H13 e SKD61 s\u00e3o a mesma coisa?<\/h2>\n      <p>No uso industrial pr\u00e1tico, o SKD61 \u00e9 comumente tratado como o equivalente japon\u00eas do H13. <a href=\"https:\/\/aobosteel.com\/pt\/hot-work-tool-steels\/\">Ambos os graus pertencem \u00e0 mesma fam\u00edlia de a\u00e7os para ferramentas de trabalho a quente ao cromo-molibd\u00eanio-van\u00e1dio<\/a> e destinam-se a ferramentas expostas a alta temperatura, esfor\u00e7o mec\u00e2nico e ciclagem t\u00e9rmica.<\/p>\n      <p>Estritamente falando, por\u00e9m, eles n\u00e3o s\u00e3o id\u00eanticos. H13 e SKD61 s\u00e3o definidos por normas diferentes, e suas faixas de composi\u00e7\u00e3o qu\u00edmica permitidas n\u00e3o s\u00e3o exatamente as mesmas. Por esse motivo, a substitui\u00e7\u00e3o deve ser confirmada de acordo com a especifica\u00e7\u00e3o exigida e o relat\u00f3rio de ensaio do material para o lote fornecido.<\/p>\n      <h2>Designa\u00e7\u00f5es regionais<\/h2>\n      <p>H13 \u00e9 uma designa\u00e7\u00e3o americana de a\u00e7o para ferramentas de trabalho a quente definida pelas normas ASTM A681 e AISI. <a href=\"https:\/\/aobosteel.com\/pt\/h-series-tool-steels\/\">Pertence \u00e0 s\u00e9rie H de a\u00e7os ao cromo para trabalho a quente<\/a>.<\/p>\n      <p><a href=\"https:\/\/aobosteel.com\/pt\/skd61-steel-technical-overview\/\">O SKD61 \u00e9 definido pela JIS G4404, a norma industrial japonesa para a\u00e7os para ferramentas. \u00c9 a designa\u00e7\u00e3o japonesa<\/a> mais comumente associada ao H13 nas discuss\u00f5es sobre ferramentas de trabalho a quente.<\/p>\n      <h2>Compara\u00e7\u00e3o da composi\u00e7\u00e3o qu\u00edmica<\/h2>\n      <p>A tabela abaixo mostra as faixas de composi\u00e7\u00e3o t\u00edpicas definidas pelas duas normas.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Elemento<\/th><th>ASTM A681 H13 (peso %)<\/th><th>JIS G4404 SKD61 (peso %)<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Carbon (C)<\/td><td>0,32 \u2013 0,45<\/td><td>0,32 \u2013 0,42<\/td><\/tr>\n            <tr><td>Sil\u00edcio (Si)<\/td><td>0,80 \u2013 1,25<\/td><td>0,80 \u2013 1,20<\/td><\/tr>\n            <tr><td>Mangan\u00eas (Mn)<\/td><td>0,20 \u2013 0,60<\/td><td>0,50 (m\u00e1ximo \/ nominal)<\/td><\/tr>\n            <tr><td>Cromo (Cr)<\/td><td>4,75 \u2013 5,50<\/td><td>4.50 \u2013 5.50<\/td><\/tr>\n            <tr><td>Molibd\u00eanio (Mo)<\/td><td>1,10 \u2013 1,75<\/td><td>1.00 \u2013 1.50<\/td><\/tr>\n            <tr><td>Van\u00e1dio (V)<\/td><td>0,80 \u2013 1,20<\/td><td>0,80 \u2013 1,20<\/td><\/tr>\n            <tr><td>F\u00f3sforo (P)<\/td><td>0,030 m\u00e1ximo<\/td><td>0,030 m\u00e1ximo<\/td><\/tr>\n            <tr><td>Enxofre (S)<\/td><td>0,030 m\u00e1ximo<\/td><td>0,030 m\u00e1ximo<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A grande sobreposi\u00e7\u00e3o nas \u00e1reas da qu\u00edmica \u00e9 o principal motivo pelo qual as duas categorias s\u00e3o frequentemente referenciadas de forma cruzada no com\u00e9rcio internacional.<\/p>\n      <p>Nota sobre propriedades mec\u00e2nicas:<br>Propriedades mec\u00e2nicas como dureza, resist\u00eancia e tenacidade ao impacto <a href=\"https:\/\/aobosteel.com\/pt\/h13-steel-heat-treatment\/\">dependem fortemente do tratamento t\u00e9rmico e da pr\u00e1tica de fabrica\u00e7\u00e3o<\/a>, n\u00e3o apenas da designa\u00e7\u00e3o do grau.<\/p>\n      <h2>Semelhan\u00e7as entre H13 e SKD61<\/h2>\n      <ul class=\"aobo-list\">\n        <li>Mesma fam\u00edlia de ligas. Ambas as classes s\u00e3o a\u00e7os-ferramenta para trabalho a quente, \u00e0 base de cromo-molibd\u00eanio-van\u00e1dio, destinados ao servi\u00e7o em altas temperaturas.<\/li>\n        <li>Composi\u00e7\u00e3o qu\u00edmica semelhante. As faixas de liga especificadas s\u00e3o muito similares, especialmente em cromo, molibd\u00eanio e van\u00e1dio. Essa similaridade na composi\u00e7\u00e3o da liga \u00e9 o motivo pelo qual s\u00e3o frequentemente consideradas equivalentes.<\/li>\n        <li>Ambientes de servi\u00e7o semelhantes. Ambas as classes s\u00e3o utilizadas em ambientes exigentes de ferramentas para trabalho a quente, como fundi\u00e7\u00e3o sob press\u00e3o, forjamento, extrus\u00e3o a quente, pinos de n\u00facleo e mandris.<\/li>\n      <\/ul>\n      <h2>Principais diferen\u00e7as entre H13 e SKD61<\/h2>\n      <p>Embora as duas categorias sejam bastante equivalentes, suas especifica\u00e7\u00f5es n\u00e3o s\u00e3o id\u00eanticas.<\/p>\n      <ul class=\"aobo-list\">\n        <li>Faixa de carbono. O SKD61 possui uma faixa de carbono ligeiramente mais estreita, com um limite superior de 0,42%, enquanto o H13 permite at\u00e9 0,45%.<\/li>\n        <li>Limite de molibd\u00eanio. A norma H13 permite at\u00e9 1,75% de molibd\u00eanio, enquanto a SKD61 limita a 1,50%.<\/li>\n        <li>Teor m\u00ednimo de cromo. A norma H13 especifica um teor m\u00ednimo de cromo ligeiramente superior, de 4,75%, enquanto a SKD61 come\u00e7a em 4,50%.<\/li>\n      <\/ul>\n      <p>Essas diferen\u00e7as s\u00e3o pequenas, mas mostram que H13 e SKD61 s\u00e3o classes equivalentes, e n\u00e3o especifica\u00e7\u00f5es id\u00eanticas.<\/p>\n      <h2>Considera\u00e7\u00f5es sobre substitui\u00e7\u00e3o<\/h2>\n      <p>Em muitas aplica\u00e7\u00f5es de ferramentas, H13 e SKD61 podem ser substitu\u00eddos um pelo outro sem grandes diferen\u00e7as pr\u00e1ticas. No entanto, a substitui\u00e7\u00e3o deve ser verificada em rela\u00e7\u00e3o \u00e0 norma exigida.<\/p>\n      <p>Por exemplo, um lote de H13 contendo 1,70% de molibd\u00eanio estaria em conformidade com a norma ASTM A681, mas ficaria fora do limite de molibd\u00eanio SKD61 segundo a norma JIS G4404. Nesse caso, o material est\u00e1 em conformidade com uma norma, mas n\u00e3o com a outra.<\/p>\n      <p>Por esse motivo, engenheiros e compradores devem confirmar se o calor fornecido corresponde \u00e0s especifica\u00e7\u00f5es exigidas pelo desenho, pedido de compra ou cliente final.<\/p>\n      <h2>Conclus\u00e3o<\/h2>\n      <p><a href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">H13<\/a> Os a\u00e7os SKD61 e SKD62 s\u00e3o classes de a\u00e7os para trabalho a quente intimamente relacionadas, definidas por normas americanas e japonesas. Sua composi\u00e7\u00e3o qu\u00edmica e condi\u00e7\u00f5es de servi\u00e7o previstas s\u00e3o suficientemente semelhantes para que sejam frequentemente tratados como equivalentes em aplica\u00e7\u00f5es de ferramentas.<\/p>\n      <p id=\"h-\">No entanto, n\u00e3o s\u00e3o normas perfeitamente id\u00eanticas. <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-quality-verification\/\">Verificar o relat\u00f3rio de ensaio do material e os limites de especifica\u00e7\u00e3o ajuda a garantir que o lote fornecido<\/a> atenda \u00e0 designa\u00e7\u00e3o exigida.<\/p>\n      <h2 id=\"h-related-pages\">P\u00e1ginas relacionadas<\/h2>\n      <ul class=\"aobo-list\">\n        <li><a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-equivalent-grades\/\">H13 \u00e9 o mesmo que 1.2344?<\/a><\/li>\n        <li><a href=\"https:\/\/aobosteel.com\/pt\/4cr5mosiv1-tool-steel\/\">H13 vs 4Cr5MoSiV1<\/a><\/li>\n      <\/ul>\n      >\n    <\/main>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>H13 vs SKD61 Tool Steel H13 and SKD61 are two hot-work tool steel designations defined in different standards but commonly treated as equivalent grades in international tooling applications. Because they are not specified under the same system, engineers and buyers should verify chemical limits and certification before treating them as direct substitutes. For a broader [&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-13540","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>H13 vs SKD61 Tool Steel: Are They the Same? | Aobo Steel<\/title>\n<meta name=\"description\" content=\"Compare H13 vs SKD61 tool steel. 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Saiba se o SKD61 \u00e9 equivalente ao H13, as principais diferen\u00e7as qu\u00edmicas e quando os dois tipos de a\u00e7o podem ser usados como substitutos em ferramentas para trabalho a quente.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/aobosteel.com\/pt\/h13-vs-skd61-tool-steel\/","og_locale":"pt_BR","og_type":"article","og_title":"H13 vs SKD61 Tool Steel: Are They the Same? | Aobo Steel","og_description":"Compare H13 vs SKD61 tool steel. 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