{"id":15996,"date":"2026-06-22T19:24:47","date_gmt":"2026-06-22T11:24:47","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15996"},"modified":"2026-06-25T10:11:29","modified_gmt":"2026-06-25T02:11:29","slug":"4140-vs-h13","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/4140-vs-h13\/","title":{"rendered":"A\u00e7o ferramenta 4140 vs H13: diferen\u00e7as e guia de sele\u00e7\u00e3o"},"content":{"rendered":"<section class=\"aobo-4140-h13-page\">\n  <style>\n    .aobo-4140-h13-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: transparent;\n      padding: 0;\n      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class=\"aobo-eyebrow\">A\u00e7o ferramenta para trabalho a quente versus a\u00e7o liga estrutural<\/span>\n      <h1>A\u00e7o ferramenta 4140 vs H13: para trabalho a quente ou para pe\u00e7as mec\u00e2nicas?<\/h1>\n      <p>O a\u00e7o 4140 \u00e9 um a\u00e7o-liga estrutural de cromo-molibd\u00eanio para componentes de m\u00e1quinas que operam em temperaturas ambiente a moderadas. O a\u00e7o H13 \u00e9 um a\u00e7o ferramenta para trabalho a quente, utilizado em matrizes e ferramentas que operam em altas temperaturas, frequentemente acima de 500 \u00b0C.<\/p>\n      <p>A possibilidade de substituir um material pelo outro em uma determinada pe\u00e7a depende quase que exclusivamente da temperatura de opera\u00e7\u00e3o. Utilize o a\u00e7o H13 quando a dureza a quente, a resist\u00eancia \u00e0 fadiga t\u00e9rmica e a resist\u00eancia \u00e0 eros\u00e3o por metal fundido forem importantes. Utilize o a\u00e7o 4140 para eixos, suportes, dispositivos de fixa\u00e7\u00e3o e pe\u00e7as estruturais de m\u00e1quinas que n\u00e3o operam em altas temperaturas.<\/p>\n    <\/header>\n\n    <section class=\"aobo-product-strip\" aria-label=\"A\u00e7o ferramenta H13 da Aobo Steel\">\n      <h2>A\u00e7o ferramenta H13 da Aobo Steel<\/h2>\n      <p class=\"aobo-strip-intro\">Se a sua aplica\u00e7\u00e3o exigir altas temperaturas, o a\u00e7o H13 \u00e9 a op\u00e7\u00e3o ideal. A Aobo Steel fornece o a\u00e7o H13 forjado e laminado, recozido, em barras redondas, barras chatas e blocos forjados. O a\u00e7o H13 ESR est\u00e1 dispon\u00edvel para fundi\u00e7\u00e3o sob press\u00e3o de alta qualidade e acabamento polido.<\/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\/04\/H13-STEEL-FLAT-BAR.avif\" alt=\"Barra chata de a\u00e7o ferramenta H13 fornecida pela Aobo Steel.\" loading=\"lazy\">\n          <\/div>\n          <div>\n            <h3>H13 | 1,2344 | SKD61<\/h3>\n            <p class=\"aobo-card-note\">A\u00e7o ferramenta para trabalho a quente, utilizado em moldes de fundi\u00e7\u00e3o de alum\u00ednio, moldes de forjamento a quente, ferramentas de extrus\u00e3o a quente, l\u00e2minas de corte a quente, mandris, insertos e ferramentas que devem resistir a fissuras t\u00e9rmicas.<\/p>\n            <div class=\"aobo-buttons\">\n              <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">Veja os detalhes de fornecimento do H13<\/a>\n              <a class=\"aobo-btn aobo-btn-inquiry popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n            <\/div>\n          <\/div>\n        <\/article>\n      <\/div>\n    <\/section>\n\n    <main class=\"aobo-article\">\n      <h2>Resposta r\u00e1pida: 4140 vs H13<\/h2>\n      <p>Os a\u00e7os 4140 e H13 podem atingir dureza m\u00e1xima semelhante em se\u00e7\u00f5es finas, mas n\u00e3o s\u00e3o usados para a mesma aplica\u00e7\u00e3o. O 4140 \u00e9 um a\u00e7o-liga estrutural de alta resist\u00eancia. O H13 \u00e9 projetado para manter a dureza, a resist\u00eancia e a integridade da superf\u00edcie durante o servi\u00e7o repetido em altas temperaturas.<\/p>\n\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Fator de decis\u00e3o<\/th><th>A\u00e7o liga 4140<\/th><th>A\u00e7o para ferramentas H13<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Tipo de a\u00e7o<\/td><td>A\u00e7o estrutural de liga cromo-molibd\u00eanio<\/td><td>A\u00e7o ferramenta para trabalho a quente com cromo<\/td><\/tr>\n            <tr><td>Fun\u00e7\u00e3o principal<\/td><td>Componentes estruturais e de m\u00e1quinas de suporte de carga<\/td><td>Matrizes quentes, insertos, ferramentas e ferramentas para altas temperaturas.<\/td><\/tr>\n            <tr><td>Dureza de trabalho t\u00edpica<\/td><td>28-32 HRC, \u00e0s vezes 30-45 HRC ap\u00f3s t\u00eampera e revenido.<\/td><td>44-52 HRC para muitas ferramentas de trabalho a quente<\/td><\/tr>\n            <tr><td>Servi\u00e7o de alta temperatura<\/td><td>Amolece rapidamente com o aumento da temperatura.<\/td><td>Mant\u00e9m a dureza e resist\u00eancia a quente adequadas.<\/td><\/tr>\n            <tr><td>resist\u00eancia \u00e0 fadiga t\u00e9rmica<\/td><td>Ruim para ciclismo em climas quentes e frios.<\/td><td>Excelente para testes de resist\u00eancia ao calor.<\/td><\/tr>\n            <tr><td>Melhor uso<\/td><td>Eixos, engrenagens, eixos de transmiss\u00e3o, parafusos, dispositivos de fixa\u00e7\u00e3o, suportes, placas de base<\/td><td>Matrizes de fundi\u00e7\u00e3o sob press\u00e3o, matrizes de forjamento, matrizes de extrus\u00e3o, l\u00e2minas de corte a quente<\/td><\/tr>\n            <tr><td>Custo<\/td><td>Menor custo de material<\/td><td>Custo de material mais elevado, mas maior durabilidade em trabalhos a quente.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <div class=\"aobo-note-box\">\n        <p><strong>Regra de sele\u00e7\u00e3o:<\/strong> Se a superf\u00edcie de trabalho for submetida a calor constante acima de 350-400 \u00b0C, escolha o a\u00e7o H13. Se a pe\u00e7a for um suporte estrutural ou um componente mec\u00e2nico que opere em temperatura ambiente ou moderada, o a\u00e7o 4140 geralmente \u00e9 suficiente.<\/p>\n      <\/div>\n\n      <h2>Composi\u00e7\u00e3o Qu\u00edmica<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Elemento<\/th><th>4140<\/th><th>H13<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Carbono (C)<\/td><td>0.38-0.43%<\/td><td>0.35-0.42%<\/td><\/tr>\n            <tr><td>Sil\u00edcio (Si)<\/td><td>0.15-0.35%<\/td><td>0.80-1.20%<\/td><\/tr>\n            <tr><td>Mangan\u00eas (Mn)<\/td><td>0.75-1.00%<\/td><td>0.25-0.50%<\/td><\/tr>\n            <tr><td>Cromo (Cr)<\/td><td>0.80-1.10%<\/td><td>4.80-5.50%<\/td><\/tr>\n            <tr><td>Molibd\u00eanio (Mo)<\/td><td>0.15-0.25%<\/td><td>1.20-1.50%<\/td><\/tr>\n            <tr><td>Van\u00e1dio (V)<\/td><td>Nenhum<\/td><td>0.80-1.20%<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>Ambas as classes de a\u00e7o possuem teores de carbono semelhantes, portanto, sua dureza m\u00e1xima ap\u00f3s t\u00eampera \u00e9 pr\u00f3xima. A diferen\u00e7a decisiva reside na composi\u00e7\u00e3o da liga. O H13 cont\u00e9m aproximadamente cinco vezes mais cromo, seis vezes mais molibd\u00eanio e uma adi\u00e7\u00e3o deliberada de van\u00e1dio. Esses elementos formam carbonetos de liga est\u00e1veis e promovem o endurecimento secund\u00e1rio, o que permite que o H13 mantenha sua dureza mesmo a quente.<\/p>\n      <p>O a\u00e7o 4140 cont\u00e9m muito menos liga porque nunca foi projetado para trabalhar em altas temperaturas. Sua composi\u00e7\u00e3o qu\u00edmica visa resist\u00eancia, tenacidade, temperabilidade e usinabilidade em aplica\u00e7\u00f5es estruturais.<\/p>\n\n      <h2>Principais diferen\u00e7as entre os im\u00f3veis<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Propriedade<\/th><th>4140<\/th><th>H13<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Tipo de a\u00e7o<\/td><td>A\u00e7o estrutural de liga<\/td><td>A\u00e7o para ferramentas de trabalho a quente<\/td><\/tr>\n            <tr><td>Dureza de trabalho t\u00edpica<\/td><td>28-32 HRC<\/td><td>44-52 HRC<\/td><\/tr>\n            <tr><td>dureza m\u00e1xima ating\u00edvel<\/td><td>Aproximadamente 55 HRC<\/td><td>Aproximadamente 54 HRC<\/td><\/tr>\n            <tr><td>Dureza a quente a 500\u00b0C<\/td><td>Amolece rapidamente<\/td><td>Mant\u00e9m a dureza<\/td><\/tr>\n            <tr><td>resist\u00eancia \u00e0 fadiga t\u00e9rmica<\/td><td>Pobre<\/td><td>Excelente<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste, temperatura ambiente<\/td><td>Baixo<\/td><td>Moderado<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste, quente<\/td><td>Pobre<\/td><td>Bom<\/td><\/tr>\n            <tr><td>Robustez<\/td><td>Bom<\/td><td>Bom<\/td><\/tr>\n            <tr><td>Usinabilidade, recozido<\/td><td>Excelente<\/td><td>Bom<\/td><\/tr>\n            <tr><td>Custo por kg<\/td><td>Inferior<\/td><td>Mais alto<\/td><\/tr>\n            <tr><td>Soldabilidade<\/td><td>Mais f\u00e1cil com pr\u00e9-aquecimento<\/td><td>Mais dif\u00edcil<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o 4140 pode ser temperado at\u00e9 atingir a mesma dureza que o H13, ou at\u00e9 um pouco mais, devido ao seu teor de carbono. A dureza m\u00e1xima n\u00e3o \u00e9 o que diferencia os dois a\u00e7os, e o 4140 raramente \u00e9 trabalhado acima de 45 HRC, pois sua tenacidade diminui. A diferen\u00e7a que realmente importa surge sob o calor: o 4140 perde dureza, enquanto o H13 a mant\u00e9m.<\/p>\n\n      <h2>Quando escolher H13 em vez de 4140<\/h2>\n      <div class=\"aobo-choice-grid\">\n        <article class=\"aobo-choice-card\">\n          <h3>A pe\u00e7a esquenta muito<\/h3>\n          <p>Acima de aproximadamente 350-400\u00b0C, o a\u00e7o 4140 perde resist\u00eancia rapidamente porque n\u00e3o possui um processo de endurecimento secund\u00e1rio para compensar essa perda. O a\u00e7o H13 mant\u00e9m dureza e resist\u00eancia \u00fateis at\u00e9 cerca de 600\u00b0C.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>A pe\u00e7a alterna entre ciclos de aquecimento e resfriamento.<\/h3>\n          <p>Ciclos repetidos de aquecimento e resfriamento provocam fissuras t\u00e9rmicas. O a\u00e7o H13 resiste a esse tipo de fissura superficial muito melhor do que o 4140.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>O vestu\u00e1rio deve resistir \u00e0 temperatura ambiente.<\/h3>\n          <p>O a\u00e7o 4140 apresenta um desgaste aceit\u00e1vel \u00e0 temperatura ambiente, mas amolece e desgasta-se rapidamente quando aquecido. Os carbonetos de liga e o endurecimento secund\u00e1rio do H13 melhoram a resist\u00eancia ao desgaste a quente.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>A superf\u00edcie est\u00e1 voltada para o metal fundido.<\/h3>\n          <p>Na fundi\u00e7\u00e3o sob press\u00e3o, o alum\u00ednio fundido a cerca de 680 \u00b0C ou o zinco a cerca de 420 \u00b0C podem corroer a face do molde. O a\u00e7o H13 resiste \u00e0 eros\u00e3o muito melhor do que o 4140.<\/p>\n        <\/article>\n      <\/div>\n      <p>As aplica\u00e7\u00f5es t\u00edpicas do H13 incluem matrizes de fundi\u00e7\u00e3o de alum\u00ednio, matrizes de forjamento a quente, ferramentas de extrus\u00e3o a quente, matrizes de estampagem a quente, l\u00e2minas de corte a quente, pinos de n\u00facleo, mandris e insertos para trabalho a quente.<\/p>\n\n      <h2>Quando 4140 \u00e9 suficiente<\/h2>\n      <p>O a\u00e7o 4140 costuma ser a escolha certa quando a pe\u00e7a n\u00e3o \u00e9 uma ferramenta para trabalho a quente:<\/p>\n      <ul>\n        <li>As pe\u00e7as em servi\u00e7o permanecem \u00e0 temperatura ambiente ou abaixo de aproximadamente 250\u00b0C, como eixos, pe\u00e7as de m\u00e1quinas, fixadores e componentes estruturais.<\/li>\n        <li>A pe\u00e7a \u00e9 um suporte, refor\u00e7o ou placa de base que sustenta a ferramenta, mas nunca entra em contato direto com o metal quente.<\/li>\n        <li>Uma boa tenacidade com dureza moderada, geralmente entre 30 e 40 HRC, atende aos requisitos.<\/li>\n        <li>A soldagem ou o reparo de soldas s\u00e3o importantes, j\u00e1 que o a\u00e7o 4140 tolera isso melhor do que o H13.<\/li>\n        <li>O custo do material \u00e9 a principal restri\u00e7\u00e3o e a carga tribut\u00e1ria \u00e9 leve.<\/li>\n      <\/ul>\n\n      <h2>Guia de Aplica\u00e7\u00e3o R\u00e1pida<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Aplicativo<\/th><th>Recomendado<\/th><th>Por que<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>matriz de fundi\u00e7\u00e3o de alum\u00ednio<\/td><td>H13<\/td><td>Dureza a quente, resist\u00eancia \u00e0 fadiga t\u00e9rmica e resist\u00eancia \u00e0 eros\u00e3o s\u00e3o todas essenciais.<\/td><\/tr>\n            <tr><td>Matriz de forjamento a quente<\/td><td>H13<\/td><td>Calor constante e impacto exigem a\u00e7o ferramenta para trabalho a quente.<\/td><\/tr>\n            <tr><td>Matriz de extrus\u00e3o de alum\u00ednio<\/td><td>H13<\/td><td>\u00c9 necess\u00e1ria resist\u00eancia ao desgaste por altas temperaturas e \u00e0 fadiga t\u00e9rmica.<\/td><\/tr>\n            <tr><td>L\u00e2mina de corte a quente<\/td><td>H13 ou H10<\/td><td>A dureza a quente e a resist\u00eancia ao desgaste controlam a vida \u00fatil da l\u00e2mina.<\/td><\/tr>\n            <tr><td>Placa porta-matriz ou placa de apoio<\/td><td>4140 ou P20<\/td><td>A pe\u00e7a fornece suporte estrutural e n\u00e3o \u00e9 aquecida diretamente.<\/td><\/tr>\n            <tr><td>Eixo da m\u00e1quina \u00e0 temperatura ambiente<\/td><td>4140<\/td><td>Boa resist\u00eancia e durabilidade a um custo menor.<\/td><\/tr>\n            <tr><td>matriz de produ\u00e7\u00e3o de trabalho a frio<\/td><td>D2 ou A2<\/td><td>A\u00e7os espec\u00edficos para trabalho a frio proporcionam maior vida \u00fatil ao desgaste.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Por que materiais mais baratos geralmente custam mais<\/h2>\n      <p>O a\u00e7o H13 tem um custo por quilograma superior ao do 4140 devido ao seu maior teor de liga e ao processamento mais exigente. No entanto, em aplica\u00e7\u00f5es de trabalho a quente, o fator relevante \u00e9 o custo por pe\u00e7a produzida.<\/p>\n      <ul>\n        <li>Os chips H13 duram muito mais tempo, o que significa menos trocas de chips e menos tempo de inatividade.<\/li>\n        <li>\u00c0 medida que a matriz se degrada, menos pe\u00e7as s\u00e3o descartadas.<\/li>\n        <li>O H13 tolera resfriamento agressivo e ciclos t\u00e9rmicos sem rachaduras prematuras, o que permite uma produ\u00e7\u00e3o mais r\u00e1pida e est\u00e1vel.<\/li>\n      <\/ul>\n      <p>Especificar o a\u00e7o 4140 em uma ferramenta de trabalho a quente para economizar material geralmente \u00e9 uma falsa economia. A menor vida \u00fatil da matriz e a perda de tempo de produ\u00e7\u00e3o podem custar muito mais do que o material economizado.<\/p>\n\n      <h2>Fornecimento de a\u00e7o Aobo<\/h2>\n      <p>Suprimentos de a\u00e7o Aobo <a href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">A\u00e7o para ferramentas H13<\/a> (1.2344 \/ SKD61 \/ 4Cr5MoSiV1) em forma forjada e laminada, principalmente em condi\u00e7\u00e3o recozida para exporta\u00e7\u00e3o a granel. H13 \u00e9 uma de nossas principais ligas, estocada em barras redondas, barras planas e blocos forjados. O H13 ESR est\u00e1 dispon\u00edvel para fundi\u00e7\u00e3o sob press\u00e3o de alta qualidade e aplica\u00e7\u00f5es de alto polimento.<\/p>\n      <p>Para o a\u00e7o 4140, entre em contato conosco. A Aobo Steel \u00e9 especializada em a\u00e7os para ferramentas e moldes, e n\u00e3o em ligas de engenharia em geral, portanto, a disponibilidade do 4140 \u00e9 confirmada mediante pedido. Quando a pe\u00e7a permite, uma alternativa em a\u00e7o para ferramentas geralmente oferece melhor custo-benef\u00edcio a longo prazo.<\/p>\n    <\/main>\n\n    <section class=\"aobo-related-pages\" aria-label=\"P\u00e1ginas relacionadas ao a\u00e7o ferramenta H13\">\n      <h2>P\u00e1ginas relacionadas<\/h2>\n      <div class=\"aobo-related-grid\">\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">\n          <strong>Fornecedor de a\u00e7o ferramenta H13<\/strong>\n          <span>Detalhes de fornecimento do H13 para barras redondas, barras planas, blocos forjados, material recozido e qualidade ESR.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel-applications\/\">\n          <strong>Aplica\u00e7\u00f5es do A\u00e7o para Ferramentas H13<\/strong>\n          <span>O H13 apresenta melhor desempenho em fundi\u00e7\u00e3o sob press\u00e3o, forjamento a quente, extrus\u00e3o, corte a quente e fabrica\u00e7\u00e3o de moldes.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel-machinability\/\">\n          <strong>H13 Usinabilidade do A\u00e7o Ferramenta<\/strong>\n          <span>Orienta\u00e7\u00f5es de usinagem para H13 recozido e temperado, incluindo limites pr\u00e1ticos de fabrica\u00e7\u00e3o.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/when-to-choose-esr-h13-tool-steel\/\">\n          <strong>Quando escolher o ESR H13<\/strong>\n          <span>Como decidir quando a qualidade ESR se justifica para fundi\u00e7\u00e3o sob press\u00e3o, forjamento e ferramentas de alta confiabilidade.<\/span>\n        <\/a>\n      <\/div>\n    <\/section>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Precisa de H13 para ferramentas de trabalho a quente?<\/h2>\n        <p>Envie sua especifica\u00e7\u00e3o, tamanho, quantidade, prazo de entrega e aplica\u00e7\u00e3o. A Aobo Steel pode confirmar o fornecimento de a\u00e7o H13 forjado ou laminado, condi\u00e7\u00e3o recozida, op\u00e7\u00e3o ESR e requisitos de certificado de usina.<\/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>Hot Work Tool Steel vs Structural Alloy Steel 4140 vs H13 Tool Steel: Hot Work or Mechanical Parts? 4140 is a chromium-molybdenum structural alloy steel for machinery components that run at room to moderate temperature. H13 is a hot work tool steel for dies and tooling that operate hot, often above 500\u00b0C. Whether one can [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15997,"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-15996","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>4140 vs H13 Tool Steel: Differences and Selection Guide - AoboSteel<\/title>\n<meta name=\"description\" content=\"Compare 4140 alloy steel and H13 tool steel: composition, hardness, and hot performance. 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