{"id":11644,"date":"2025-12-22T16:20:05","date_gmt":"2025-12-22T08:20:05","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11644"},"modified":"2026-07-26T11:59:33","modified_gmt":"2026-07-26T03:59:33","slug":"h13-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/h13-steel-heat-treatment\/","title":{"rendered":"Guia de tratamento t\u00e9rmico do a\u00e7o ferramenta H13: recozimento e revenimento."},"content":{"rendered":"<section class=\"aobo-h13-tool-steel-heat-treatment-page\">\n  <style>\n    .aobo-h13-tool-steel-heat-treatment-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-dark: #073b8e;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-blue-line: #c9dcff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-white: #ffffff;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      --aobo-page-width: 1180px;\n      font-family:inherit;\n      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<p><a href=\"https:\/\/aobosteel.com\/pt\/h13-steel-properties\/\">A\u00e7o para ferramentas H13<\/a> \u00e9 tipicamente tratado termicamente por recozimento a 845\u2013900\u00b0C \/ 1550\u20131650\u00b0F, pr\u00e9-aquecimento a 790\u2013815\u00b0C \/ 1450\u20131500\u00b0F, austenitiza\u00e7\u00e3o a 995\u20131025\u00b0C \/ 1825\u20131875\u00b0F, t\u00eampera em ar parado ou g\u00e1s de alta press\u00e3o e revenimento duplo a 510\u2013620\u00b0C \/ 950\u20131150\u00b0F.<\/p>\n      <p>Ap\u00f3s tratamento t\u00e9rmico adequado, o a\u00e7o H13 geralmente atinge uma dureza de cerca de 51\u201354 HRC ap\u00f3s t\u00eampera e \u00e9 comumente revenido para uma dureza de trabalho de 40\u201350 HRC, dependendo da aplica\u00e7\u00e3o.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <section class=\"aobo-supply-block\" aria-label=\"Informa\u00e7\u00f5es e detalhes do produto em a\u00e7o ferramenta H13\">\n        <div class=\"aobo-supply-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 class=\"aobo-supply-content\">\n          <p>A Aobo Steel fornece a\u00e7o ferramenta H13 recozido para moldes de fundi\u00e7\u00e3o, moldes de forjamento, ferramentas de extrus\u00e3o e outras aplica\u00e7\u00f5es de trabalho a quente. Envie-nos as dimens\u00f5es, a quantidade e o estado da superf\u00edcie desejados para suporte no fornecimento em grande escala.<\/p>\n          <div class=\"aobo-supply-actions\">\n            <a class=\"aobo-btn aobo-btn-primary popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n            <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">Veja os detalhes do a\u00e7o ferramenta H13.<\/a>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <h2>Vis\u00e3o geral do tratamento t\u00e9rmico do a\u00e7o ferramenta H13<\/h2>\n      <p>O a\u00e7o H13 \u00e9 geralmente fornecido na condi\u00e7\u00e3o recozida para usinagem, sendo posteriormente endurecido e revenido at\u00e9 atingir a dureza final de trabalho.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Est\u00e1gio<\/th><th>Objetivo principal<\/th><th>Resultado t\u00edpico<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Recozimento<\/td><td>Amaciar o a\u00e7o para usinagem e aliviar a tens\u00e3o<\/td><td>Estrutura esferoidizada e menor dureza<\/td><\/tr>\n            <tr><td>Pr\u00e9-aquecimento<\/td><td>Reduzir o choque t\u00e9rmico e equalizar a temperatura.<\/td><td>Menor risco de rachaduras e deforma\u00e7\u00f5es<\/td><\/tr>\n            <tr><td>Austenitiza\u00e7\u00e3o<\/td><td>Construa a base de endurecimento<\/td><td>Alta temperabilidade e potencial de dureza<\/td><\/tr>\n            <tr><td>Resfriamento<\/td><td>Forme a estrutura endurecida<\/td><td>Alta dureza ap\u00f3s t\u00eampera<\/td><\/tr>\n            <tr><td>T\u00eampera<\/td><td>Ajuste a dureza, a tenacidade e a estabilidade t\u00e9rmica.<\/td><td>Propriedades de trabalho finais<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Passo a passo: Como realizar o tratamento t\u00e9rmico do a\u00e7o ferramenta H13<\/h2>\n      <h3>1. Recozimento do a\u00e7o ferramenta H13 antes da usinagem<\/h3>\n      <p>O a\u00e7o H13 \u00e9 normalmente fornecido na condi\u00e7\u00e3o recozida, pois este \u00e9 o estado mais pr\u00e1tico para usinagem e desbaste. Um recozimento adequado produz uma estrutura de carbonetos esferoidizados, amolece o a\u00e7o e reduz a tens\u00e3o interna resultante de processos anteriores.<\/p>\n      <p>Uma faixa t\u00edpica de recozimento \u00e9 de 845 a 900 \u00b0C (1550 a 1650 \u00b0F). Algumas pr\u00e1ticas tamb\u00e9m citam 871 \u00b0C (1600 \u00b0F), com o tempo de perman\u00eancia baseado na espessura da se\u00e7\u00e3o. Ap\u00f3s a perman\u00eancia nessa temperatura, o a\u00e7o H13 deve ser resfriado muito lentamente no forno, tipicamente a uma taxa de 14 a 15 \u00b0C por hora, at\u00e9 atingir cerca de 480 a 500 \u00b0C, e ent\u00e3o resfriado ao ar at\u00e9 a temperatura ambiente.<\/p>\n      <p>Para manter a consist\u00eancia, a dureza do H13 ap\u00f3s recozimento \u00e9 melhor relatada como sendo aproximadamente 192\u2013229 HB.<\/p>\n\n      <h3>2. Pr\u00e9-aquecimento do a\u00e7o ferramenta H13<\/h3>\n      <p>O pr\u00e9-aquecimento \u00e9 utilizado antes da t\u00eampera para reduzir o choque t\u00e9rmico e melhorar a uniformidade da temperatura em toda a se\u00e7\u00e3o. Isso se torna ainda mais importante \u00e0 medida que a ferramenta aumenta de tamanho ou se torna mais complexa.<\/p>\n      <p>Uma faixa t\u00edpica de pr\u00e9-aquecimento \u00e9 de 790 a 815 \u00b0C (1450 a 1500 \u00b0F). Para pe\u00e7as delicadas ou se\u00e7\u00f5es mais complexas, pode-se utilizar um pr\u00e9-aquecimento inicial em torno de 704 a 760 \u00b0C (1300 a 1400 \u00b0F). A pe\u00e7a deve permanecer em pr\u00e9-aquecimento at\u00e9 que a temperatura se equalize em toda a se\u00e7\u00e3o.<\/p>\n\n      <h3>3. Austenitiza\u00e7\u00e3o e t\u00eampera do a\u00e7o ferramenta H13<\/h3>\n      <p>Ap\u00f3s o pr\u00e9-aquecimento, a liga H13 \u00e9 aquecida at\u00e9 a faixa de endurecimento de 995 a 1025 \u00b0C (1825 a 1875 \u00b0F). Em muitos ciclos industriais padr\u00e3o, 1010 \u00b0C (1850 \u00b0F) \u00e9 utilizada como temperatura de endurecimento de refer\u00eancia para propriedades equilibradas.<\/p>\n      <p>O objetivo da austenitiza\u00e7\u00e3o \u00e9 dissolver carbonetos de liga em quantidade suficiente na solu\u00e7\u00e3o para atingir o endurecimento desejado sem induzir crescimento de gr\u00e3o desnecess\u00e1rio. O tempo de perman\u00eancia no processo deve ser controlado. Uma regra comum \u00e9 de 20 a 30 minutos, mais um tempo adicional baseado na espessura da se\u00e7\u00e3o, ou cerca de 30 minutos por polegada para se\u00e7\u00f5es com mais de 1 polegada de espessura.<\/p>\n      <p>Se a temperatura de endurecimento for muito baixa ou o tempo de perman\u00eancia na superf\u00edcie for muito curto, o a\u00e7o H13 pode n\u00e3o atingir a dureza m\u00e1xima. Se a temperatura for muito alta, a tenacidade pode diminuir.<\/p>\n\n      <h3>4. T\u00eampera do a\u00e7o ferramenta H13<\/h3>\n      <p>O a\u00e7o H13 \u00e9 um a\u00e7o de endurecimento profundo, portanto, a t\u00eampera em ar parado ou com g\u00e1s de alta press\u00e3o \u00e9 padr\u00e3o em muitos processos industriais de tratamento t\u00e9rmico. A t\u00eampera a g\u00e1s em forno a v\u00e1cuo \u00e9 amplamente utilizada por proporcionar superf\u00edcies mais limpas e maior controle. Para se\u00e7\u00f5es muito grandes, pode-se utilizar uma t\u00eampera em \u00f3leo interrompida, embora apresente maior risco de distor\u00e7\u00e3o. O a\u00e7o H13 n\u00e3o deve ser temperado em \u00e1gua.<\/p>\n      <p>O a\u00e7o H13 n\u00e3o deve ser temperado e deixado esfriar completamente \u00e0 temperatura ambiente antes do revenido. A t\u00eampera geralmente \u00e9 interrompida quando o a\u00e7o atinge cerca de 50 a 66 \u00b0C (125 a 150 \u00b0F), e a pe\u00e7a \u00e9 ent\u00e3o transferida imediatamente para o revenido. Este \u00e9 um dos controles mais importantes para reduzir a fissura\u00e7\u00e3o tardia por t\u00eampera.<\/p>\n      <figure class=\"aobo-figure\">\n        <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/12\/H13-Hot-Work-Tool-Steel-Isothermal-Transformation-TTT-Diagram.avif\" alt=\"Diagrama TTT da transforma\u00e7\u00e3o isot\u00e9rmica do a\u00e7o ferramenta para trabalho a quente H13\">\n        <figcaption>Diagrama de transforma\u00e7\u00e3o isot\u00e9rmica do a\u00e7o H13 ap\u00f3s austenitiza\u00e7\u00e3o a 1010 \u00b0C. O diagrama mostra o comportamento da transforma\u00e7\u00e3o do H13 durante o resfriamento e refor\u00e7a a necessidade de t\u00eampera controlada, especialmente em se\u00e7\u00f5es espessas onde o resfriamento lento do n\u00facleo pode reduzir a dureza e a tenacidade. Fonte: Tool Steels, George Adam Roberts, George Krauss, Richard Kennedy, p\u00e1gina 224.<\/figcaption>\n      <\/figure>\n\n      <h3>5. T\u00eampera do a\u00e7o ferramenta H13<\/h3>\n      <p>O revenimento transforma o a\u00e7o H13, quebradi\u00e7o ap\u00f3s a t\u00eampera, em um a\u00e7o ferramenta utiliz\u00e1vel para trabalho a quente. O revenimento duplo \u00e9 pr\u00e1tica padr\u00e3o, e um terceiro revenimento pode ser utilizado em alguns casos. Uma diretriz pr\u00e1tica \u00e9 de 2 horas por polegada da se\u00e7\u00e3o transversal mais fina, com um m\u00ednimo de 2 horas por ciclo. A pe\u00e7a deve resfriar at\u00e9 a temperatura ambiente entre os revenimentos.<\/p>\n      <p>A faixa ideal de revenido \u00e9 entre 510 e 620 \u00b0C (950 e 1150 \u00b0F). A temperatura de revenido selecionada deve ser baseada na aplica\u00e7\u00e3o, na dureza necess\u00e1ria e na temperatura de servi\u00e7o da ferramenta. Para o a\u00e7o H13, a dureza m\u00e1xima poss\u00edvel raramente representa a melhor condi\u00e7\u00e3o final.<\/p>\n\n      <h2>Qual a dureza que o H13 pode atingir ap\u00f3s o tratamento t\u00e9rmico?<\/h2>\n      <p>A dureza do H13 varia claramente ao longo do ciclo de tratamento t\u00e9rmico, portanto, a maneira mais precisa de apresent\u00e1-lo \u00e9 por meio de an\u00e1lise de condi\u00e7\u00e3o.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Condi\u00e7\u00e3o<\/th><th>Dureza t\u00edpica<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Condi\u00e7\u00e3o de recozimento<\/td><td>Aproximadamente 192 a 229 HB<\/td><\/tr>\n            <tr><td>condi\u00e7\u00e3o ap\u00f3s t\u00eampera<\/td><td>Normalmente, entre 51 e 54 HRC.<\/td><\/tr>\n            <tr><td>Condi\u00e7\u00f5es de trabalho temperadas<\/td><td>Geralmente entre 40 e 50 HRC<\/td><\/tr>\n            <tr><td>Superf\u00edcie nitretada<\/td><td>Geralmente acima de 1000 HV, frequentemente entre 1100 e 1300 HV.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Tratamento t\u00e9rmico e dureza recomendados para H13 por aplica\u00e7\u00e3o<\/h2>\n      <p>O tratamento t\u00e9rmico final do H13 deve ser selecionado com base na aplica\u00e7\u00e3o, visto que moldes de fundi\u00e7\u00e3o, moldes de forjamento, ferramentas de extrus\u00e3o e moldes pl\u00e1sticos falham de maneiras diferentes. Algumas aplica\u00e7\u00f5es s\u00e3o limitadas principalmente pelo desgaste, enquanto outras s\u00e3o limitadas por choque de impacto ou fadiga t\u00e9rmica.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Aplicativo<\/th><th>Dureza de trabalho t\u00edpica<\/th><th>Prioridade do tratamento t\u00e9rmico<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Matrizes de fundi\u00e7\u00e3o sob press\u00e3o<\/td><td>44 a 48 HRC<\/td><td>Resist\u00eancia \u00e0 fadiga t\u00e9rmica e resist\u00eancia a altas temperaturas<\/td><\/tr>\n            <tr><td>Ferramentas de forjamento de alto impacto<\/td><td>40 a 44 HRC<\/td><td>Resist\u00eancia e durabilidade<\/td><\/tr>\n            <tr><td>Matrizes gerais para forjamento a quente<\/td><td>Aproximadamente 38 a 45 HRC<\/td><td>Equil\u00edbrio entre resist\u00eancia ao desgaste e resist\u00eancia a impactos<\/td><\/tr>\n            <tr><td>Ferramentas de extrus\u00e3o<\/td><td>Dureza de trabalho a quente m\u00e9dia a alta<\/td><td>Resist\u00eancia ao amolecimento e ao desgaste<\/td><\/tr>\n            <tr><td>Ferramentas H13 nitretadas<\/td><td>N\u00facleo resistente com superf\u00edcie muito dura<\/td><td>Resist\u00eancia ao desgaste superficial com n\u00facleo est\u00e1vel<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>Para ferramentas padr\u00e3o de fundi\u00e7\u00e3o sob press\u00e3o, uma dureza de 44 a 48 HRC \u00e9 uma faixa de trabalho geral robusta. Para aplica\u00e7\u00f5es de alto impacto, especialmente forjamento por martelo ou ferramentas sujeitas a impactos severos, uma faixa inferior, como 40 a 44 HRC, costuma ser mais segura, pois o risco de trincas se torna predominante. Matrizes de forjamento a quente em geral s\u00e3o comumente utilizadas com dureza de 38 a 45 HRC, dependendo da dimens\u00e3o da se\u00e7\u00e3o transversal, da severidade da aplica\u00e7\u00e3o e das condi\u00e7\u00f5es de servi\u00e7o.<\/p>\n      <p>Se for necess\u00e1rio aumentar ainda mais a resist\u00eancia ao desgaste sem sacrificar a tenacidade do n\u00facleo, o a\u00e7o H13 pode ser nitretado ap\u00f3s o revenimento adequado. Nesse caso, o ponto crucial n\u00e3o \u00e9 simplesmente o alto \u00edndice de dureza superficial. O ponto crucial \u00e9 que o a\u00e7o consegue manter um n\u00facleo resistente e est\u00e1vel, ao mesmo tempo que adquire uma camada superficial muito mais dura.<\/p>\n\n      <h2>Problemas e causas comuns do tratamento t\u00e9rmico H13<\/h2>\n      <p>Esta se\u00e7\u00e3o \u00e9 mais \u00fatil quando organizada por modo de falha do que por longas explica\u00e7\u00f5es te\u00f3ricas.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Problema<\/th><th>Causa t\u00edpica<\/th><th>Resultado pr\u00e1tico<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Rachaduras por t\u00eampera<\/td><td>Revenimento tardio, t\u00eampera severa, superaquecimento, geometria inadequada da pe\u00e7a.<\/td><td>Rachaduras ap\u00f3s t\u00eampera ou logo ap\u00f3s o resfriamento<\/td><\/tr>\n            <tr><td>Distor\u00e7\u00e3o<\/td><td>Gradientes t\u00e9rmicos, tens\u00f5es residuais de usinagem, suporte inadequado<\/td><td>Deforma\u00e7\u00e3o, curvatura, altera\u00e7\u00e3o de tamanho<\/td><\/tr>\n            <tr><td>descarboneta\u00e7\u00e3o superficial<\/td><td>Aquecimento em atmosfera desprotegida<\/td><td>Superf\u00edcie macia e baixa resist\u00eancia ao desgaste<\/td><\/tr>\n            <tr><td>Baixa dureza ou pontos moles<\/td><td>Subaquecimento, tempo de imers\u00e3o curto, resfriamento insuficiente em se\u00e7\u00f5es pesadas<\/td><td>Resposta de dureza fraca<\/td><\/tr>\n            <tr><td>Baixa tenacidade ou fragiliza\u00e7\u00e3o<\/td><td>Revenimento inadequado ou resposta deficiente ao resfriamento da se\u00e7\u00e3o grossa<\/td><td>falha fr\u00e1gil prematura<\/td><\/tr>\n            <tr><td>Rachaduras de moagem<\/td><td>Calor excessivo de moagem ap\u00f3s tratamento t\u00e9rmico<\/td><td>Rede de fissuras superficiais e falha r\u00e1pida em servi\u00e7o.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h3>Trincamento por t\u00eampera<\/h3>\n      <p>A fissura\u00e7\u00e3o por t\u00eampera \u00e9 uma das falhas mais graves no tratamento t\u00e9rmico H13. As causas pr\u00e1ticas mais comuns s\u00e3o o revenido tardio, a temperatura de t\u00eampera excessiva, a t\u00eampera muito severa e a geometria inadequada da pe\u00e7a, com cantos vivos ou mudan\u00e7as abruptas de se\u00e7\u00e3o. A regra pr\u00e1tica mais rigorosa continua sendo simples: ap\u00f3s uma t\u00eampera interrompida, o a\u00e7o H13 deve ser revenido imediatamente.<\/p>\n\n      <h3>Distor\u00e7\u00e3o e instabilidade dimensional<\/h3>\n      <p>A distor\u00e7\u00e3o geralmente resulta de aquecimento ou resfriamento desigual, ou de tens\u00f5es residuais de usinagem. Pe\u00e7as grandes ou com suporte inadequado s\u00e3o especialmente vulner\u00e1veis. Por isso, o al\u00edvio de tens\u00f5es antes da t\u00eampera e um bom suporte durante o aquecimento fazem parte do controle do processo, e n\u00e3o s\u00e3o detalhes opcionais.<\/p>\n\n      <h3>Descarboneta\u00e7\u00e3o superficial<\/h3>\n      <p>Se o a\u00e7o H13 for aquecido em uma atmosfera oxidante, a superf\u00edcie pode perder carbono e n\u00e3o atingir a dureza m\u00e1xima. O resultado \u00e9 uma superf\u00edcie macia com menor resist\u00eancia ao desgaste e pior desempenho em fadiga. \u00c9 por isso que o v\u00e1cuo, a atmosfera controlada ou prote\u00e7\u00e3o superficial equivalente devem fazer parte das boas pr\u00e1ticas de tratamento t\u00e9rmico do H13.<\/p>\n\n      <h3>Baixa dureza e pontos moles<\/h3>\n      <p>Se o H13 n\u00e3o atingir a dureza esperada, as causas usuais s\u00e3o subaquecimento, tempo de perman\u00eancia insuficiente ou t\u00eampera inadequada em se\u00e7\u00f5es muito grandes. Em se\u00e7\u00f5es espessas, o n\u00facleo pode resfriar muito lentamente, transformando-se parcialmente em bainita em vez de martensita, reduzindo assim a resposta de dureza.<\/p>\n\n      <h3>Baixa tenacidade e fragiliza\u00e7\u00e3o<\/h3>\n      <p>O a\u00e7o H13 \u00e9 valorizado por combinar resist\u00eancia ao calor com boa tenacidade, mas esse equil\u00edbrio ainda depende de um revenimento adequado e de uma resposta correta ao resfriamento. A principal conclus\u00e3o aqui n\u00e3o precisa ser complicada: o processo de revenimento final deve ser selecionado para favorecer tanto a dureza quanto a tenacidade, especialmente em servi\u00e7os de trabalho a quente, onde a estabilidade \u00e9 t\u00e3o importante quanto a resist\u00eancia.<\/p>\n\n      <h3>Trincas de retifica\u00e7\u00e3o ap\u00f3s tratamento t\u00e9rmico<\/h3>\n      <p>Algumas falhas atribu\u00eddas ao tratamento t\u00e9rmico s\u00e3o, na verdade, introduzidas durante o acabamento de retifica\u00e7\u00e3o. Cortes profundos, o uso de um rebolo inadequado ou pr\u00e1ticas incorretas de refrigera\u00e7\u00e3o podem superaquecer a superf\u00edcie localmente, criando uma camada quebradi\u00e7a que se rompe em servi\u00e7o.<\/p>\n\n      <h2>Considera\u00e7\u00f5es sobre o tratamento t\u00e9rmico para blocos e matrizes H13 de grandes dimens\u00f5es.<\/h2>\n      <p>Perfis H13 de grandes dimens\u00f5es n\u00e3o devem ser tratados como pe\u00e7as pequenas ampliadas. Quando o perfil se torna muito pesado, a transfer\u00eancia de calor atrav\u00e9s do n\u00facleo passa a ser o fator limitante. Perfis acima de aproximadamente 305 mm (12 polegadas) podem n\u00e3o responder adequadamente ao resfriamento a ar padr\u00e3o, e esse ponto deve ser mantido, pois reflete uma limita\u00e7\u00e3o industrial real.<\/p>\n      <p>Para blocos grandes de H13, os principais problemas s\u00e3o o resfriamento mais lento do n\u00facleo, a menor dureza do n\u00facleo, o maior risco de distor\u00e7\u00e3o e a maior sensibilidade \u00e0 estrat\u00e9gia de t\u00eampera. O resfriamento lento no n\u00facleo pode produzir bainita em vez de martensita e tamb\u00e9m pode promover a precipita\u00e7\u00e3o de carbonetos nos contornos de gr\u00e3o, o que reduz a tenacidade. \u00c9 por isso que blocos de H13 de grande se\u00e7\u00e3o podem exigir t\u00eampera interrompida em \u00f3leo, m\u00e9todos com sal quente ou t\u00eampera com g\u00e1s de alta press\u00e3o, em vez de um simples tratamento com ar parado.<\/p>\n      <p>Blocos grandes de H13 exigem um controle mais rigoroso da sequ\u00eancia de aquecimento, t\u00eampera e usinagem. Em muitos casos, o desbaste pr\u00e9vio \u00e0 t\u00eampera \u00e9 mais realista do que o acabamento de todos os detalhes primeiro, esperando uma distor\u00e7\u00e3o m\u00ednima posteriormente.<\/p>\n\n      <h2>Tabela de tratamento t\u00e9rmico do a\u00e7o ferramenta H13<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Fase de tratamento t\u00e9rmico<\/th><th>Faixa de temperatura (\u00b0C)<\/th><th>Faixa de temperatura (\u00b0F)<\/th><th>Tempo de imers\u00e3o\/reten\u00e7\u00e3o<\/th><th>Resfriamento \/ Observa\u00e7\u00f5es<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Recozimento<\/td><td>845\u2013900<\/td><td>1550\u20131650<\/td><td>Aproximadamente 1 hora por polegada de espessura.<\/td><td>O forno esfria lentamente at\u00e9 cerca de 480\u2013500 \u00b0C e, em seguida, \u00e9 resfriado ao ar.<\/td><\/tr>\n            <tr><td>Pr\u00e9-aquecimento<\/td><td>790\u2013815<\/td><td>1450\u20131500<\/td><td>Mantenha pressionado at\u00e9 que a equaliza\u00e7\u00e3o ocorra em toda a se\u00e7\u00e3o.<\/td><td>Para pe\u00e7as delicadas, pode-se utilizar inicialmente um pr\u00e9-aquecimento mais baixo, em torno de 704\u2013760 \u00b0C.<\/td><\/tr>\n            <tr><td>Austenitiza\u00e7\u00e3o<\/td><td>995\u20131025<\/td><td>1825\u20131875<\/td><td>Aproximadamente 20 a 30 minutos, mais o tempo de reten\u00e7\u00e3o baseado na espessura.<\/td><td>1010 \u00b0C \u00e9 uma temperatura de endurecimento de refer\u00eancia comum.<\/td><\/tr>\n            <tr><td>Resfriamento<\/td><td>\u2013<\/td><td>\u2013<\/td><td>\u2013<\/td><td>Ar parado ou g\u00e1s de alta press\u00e3o s\u00e3o os m\u00e9todos padr\u00e3o; t\u00eampera em \u00f3leo interrompida pode ser usada para se\u00e7\u00f5es muito grandes; n\u00e3o utilize t\u00eampera em \u00e1gua.<\/td><\/tr>\n            <tr><td>T\u00eampera<\/td><td>510\u2013620<\/td><td>950\u20131150<\/td><td>2 horas por polegada, no m\u00ednimo, por ciclo<\/td><td>O revenimento duplo \u00e9 padr\u00e3o; inicie o revenimento imediatamente ap\u00f3s a t\u00eampera interrompida.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <div class=\"aobo-note-box\">\n        <p>A Aobo Steel n\u00e3o oferece servi\u00e7os de tratamento t\u00e9rmico. Fornecemos a\u00e7o ferramenta H13 no estado recozido, incluindo barras redondas e barras chatas, prontas para usinagem e posterior tratamento t\u00e9rmico pelo cliente.<\/p>\n        <p>Este guia foi elaborado para auxiliar nas suas decis\u00f5es de tratamento t\u00e9rmico e ajudar a garantir o desempenho est\u00e1vel da ferramenta em aplica\u00e7\u00f5es reais.<\/p>\n      <\/div>\n    <\/main>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Precisa de a\u00e7o ferramenta H13 para aplica\u00e7\u00f5es de trabalho a quente?<\/h2>\n        <p>A Aobo Steel fornece a\u00e7o ferramenta H13 recozido para moldes de fundi\u00e7\u00e3o, moldes de forjamento, ferramentas de extrus\u00e3o e outras aplica\u00e7\u00f5es de trabalho a quente. Se precisar de um fornecimento em grande quantidade, envie-nos as dimens\u00f5es, a quantidade e o estado da superf\u00edcie desejados.<\/p>\n      <\/div>\n      <div class=\"aobo-cta-buttons\">\n        <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">Veja o a\u00e7o ferramenta H13<\/a>\n        <a class=\"aobo-btn popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n      <\/div>\n    <\/section>\n  <\/div>\n<\/section>\n\n\n\n<h2 id=\"h-faq\" class=\"wp-block-heading\">Perguntas frequentes<\/h2>\n\n\n\n<ul class=\"wp-block-yoast-seo-related-links yoast-seo-related-links\"><\/ul>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1784201091006\"><strong class=\"schema-faq-question\"><strong>Qual a dureza HRC atingida pelo H13 ap\u00f3s o tratamento t\u00e9rmico?<\/strong><\/strong> <p class=\"schema-faq-answer\">O a\u00e7o H13 normalmente atinge uma dureza de 51-54 HRC no estado bruto de t\u00eampera. Ap\u00f3s o revenido, a dureza de trabalho \u00e9 tipicamente reduzida para 40 a 50 HRC, dependendo da aplica\u00e7\u00e3o. Matrizes de fundi\u00e7\u00e3o sob press\u00e3o s\u00e3o comumente finalizadas com uma dureza de 44 a 48 HRC, enquanto ferramentas de forjamento de alto impacto s\u00e3o finalizadas com uma dureza menor, em torno de 40 a 44 HRC, para melhor resist\u00eancia \u00e0 fissura\u00e7\u00e3o.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784201129549\"><strong class=\"schema-faq-question\"><strong>Qual \u00e9 a dureza do H13 antes do tratamento t\u00e9rmico?<\/strong><\/strong> <p class=\"schema-faq-answer\">Na condi\u00e7\u00e3o recozida, que \u00e9 como o H13 \u00e9 normalmente fornecido para usinagem, a dureza \u00e9 de aproximadamente 192-229 HB. Este \u00e9 o estado amolecido e esferoidizado usado para desbaste antes que a ferramenta seja temperada e revenida.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784201146174\"><strong class=\"schema-faq-question\"><strong>Qual \u00e9 o aspecto t\u00edpico de um gr\u00e1fico de t\u00eampera H13?<\/strong><\/strong> <p class=\"schema-faq-answer\">O a\u00e7o H13 passa por revenimento duplo na faixa de 510 a 620 \u00b0C (950 a 1150 \u00b0F), com uma diretriz pr\u00e1tica de 2 horas por polegada da se\u00e7\u00e3o mais fina e um m\u00ednimo de 2 horas por ciclo. A pe\u00e7a deve esfriar completamente \u00e0 temperatura ambiente entre os revenimentos. A temperatura exata de revenimento dentro dessa faixa \u00e9 escolhida com base na dureza de trabalho desejada e na temperatura de servi\u00e7o da ferramenta, visto que a dureza m\u00e1xima poss\u00edvel raramente \u00e9 a melhor condi\u00e7\u00e3o final para trabalho a quente.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784201163661\"><strong class=\"schema-faq-question\"><strong>Como \u00e9 feito o endurecimento do a\u00e7o ferramenta H13?<\/strong><\/strong> <p class=\"schema-faq-answer\">O processo de t\u00eampera H13 envolve tr\u00eas etapas interligadas, em vez de uma \u00fanica etapa. O a\u00e7o \u00e9 pr\u00e9-aquecido a 790 a 815 \u00b0C para reduzir o choque t\u00e9rmico e, em seguida, austenitizado a 995 a 1025 \u00b0C, geralmente a 1010 \u00b0C, para dissolver carbonetos de liga suficientes para uma resposta de t\u00eampera completa. A pe\u00e7a \u00e9 ent\u00e3o temperada em ar parado ou g\u00e1s de alta press\u00e3o, em vez de \u00e1gua, com a t\u00eampera interrompida a cerca de 50 a 66 \u00b0C para que possa passar imediatamente para o revenido. A omiss\u00e3o ou o atraso desta \u00faltima etapa \u00e9 a causa mais comum de trincas por t\u00eampera no a\u00e7o H13.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1784201182316\"><strong class=\"schema-faq-question\"><strong>Qual \u00e9 o processo completo de tratamento t\u00e9rmico H13?<\/strong><\/strong> <p class=\"schema-faq-answer\">O processo se desenrola em cinco etapas, em ordem: recozimento para amolecer o a\u00e7o para usinagem, pr\u00e9-aquecimento para equalizar a temperatura antes do endurecimento, austenitiza\u00e7\u00e3o para desenvolver a resposta ao endurecimento, t\u00eampera para formar a estrutura endurecida e revenimento duplo para levar o a\u00e7o \u00e0 sua dureza e tenacidade finais de trabalho. Cada etapa aborda um risco diferente, desde trincas durante a t\u00eampera at\u00e9 pontos fracos em grandes se\u00e7\u00f5es, portanto, pular ou encurtar uma etapa geralmente se manifesta posteriormente como um modo de falha espec\u00edfico e identific\u00e1vel.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>H13 Tool Steel Heat Treatment Guide H13 Tool Steel Heat Treatment Guide H13 tool steel is typically heat-treated by annealing at 845\u2013900\u00b0C \/ 1550\u20131650\u00b0F, preheating at 790\u2013815\u00b0C \/ 1450\u20131500\u00b0F, austenitizing at 995\u20131025\u00b0C \/ 1825\u20131875\u00b0F, quenching in still air or high-pressure gas, and double tempering at 510\u2013620\u00b0C \/ 950\u20131150\u00b0F. After proper heat treatment, H13 usually reaches [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15104,"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 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with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>H13 Tool Steel Heat Treatment Guide: Annealing to Tempering<\/title>\n<meta name=\"description\" content=\"Complete H13 heat treatment guide: annealing, austenitizing at 995-1025\u00b0C, quenching without cracking, and double tempering to 40-50 HRC.\" \/>\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\/h13-steel-heat-treatment\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H13 Tool Steel Heat Treatment Guide: Annealing to Tempering\" \/>\n<meta property=\"og:description\" content=\"Complete H13 heat treatment guide: annealing, austenitizing at 995-1025\u00b0C, quenching without cracking, and double tempering to 40-50 HRC.\" 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HRC hardness does H13 reach after heat treatment?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"H13 typically reaches 51-54 HRC in the as-quenched condition. After tempering, the working hardness is typically reduced to 40 to 50 HRC, depending on the application. Die-casting dies are commonly finished at 44 to 48 HRC, while high-shock forging tools are finished lower, around 40 to 44 HRC, for better crack resistance.\",\"inLanguage\":\"pt-BR\"},\"inLanguage\":\"pt-BR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/h13-steel-heat-treatment\\\/#faq-question-1784201129549\",\"position\":2,\"url\":\"https:\\\/\\\/aobosteel.com\\\/h13-steel-heat-treatment\\\/#faq-question-1784201129549\",\"name\":\"What is the hardness of H13 before heat treatment?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In the annealed condition, which is how H13 is normally supplied for machining, the hardness is approximately 192-229 HB. This is the softened, spheroidized state used for rough shaping before the tool is hardened and tempered.\",\"inLanguage\":\"pt-BR\"},\"inLanguage\":\"pt-BR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/h13-steel-heat-treatment\\\/#faq-question-1784201146174\",\"position\":3,\"url\":\"https:\\\/\\\/aobosteel.com\\\/h13-steel-heat-treatment\\\/#faq-question-1784201146174\",\"name\":\"What does a typical H13 tempering chart look like?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"H13 is double tempered in the range of 510 to 620\u00b0C (950 to 1150\u00b0F), with a practical guideline of 2 hours per inch of the thinnest section and a minimum of 2 hours per cycle. The part should cool fully to room temperature between tempers. The exact tempering temperature within this range is chosen based on the target working hardness and the tool's service temperature, since the highest possible hardness is rarely the best final condition for hot-work service.\",\"inLanguage\":\"pt-BR\"},\"inLanguage\":\"pt-BR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/h13-steel-heat-treatment\\\/#faq-question-1784201163661\",\"position\":4,\"url\":\"https:\\\/\\\/aobosteel.com\\\/h13-steel-heat-treatment\\\/#faq-question-1784201163661\",\"name\":\"How is H13 tool steel hardened?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Hardening H13 involves three linked stages rather than a single step. The steel is preheated to 790 to 815\u00b0C to reduce thermal shock, then austenitized to 995 to 1025\u00b0C, commonly set at 1010\u00b0C, to dissolve sufficient alloying carbides for a full hardening response. It is then quenched in still air or high-pressure gas rather than water, with the quench interrupted at about 50 to 66\u00b0C so the part can move immediately into tempering. Skipping or delaying this last step is the most common cause of quench cracking in H13.\",\"inLanguage\":\"pt-BR\"},\"inLanguage\":\"pt-BR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/h13-steel-heat-treatment\\\/#faq-question-1784201182316\",\"position\":5,\"url\":\"https:\\\/\\\/aobosteel.com\\\/h13-steel-heat-treatment\\\/#faq-question-1784201182316\",\"name\":\"What is the full H13 heat treatment process?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The process runs through five stages in order: annealing to soften the steel for machining, preheating to equalize temperature before hardening, austenitizing to build the hardening response, quenching to form the hardened structure, and double tempering to bring the steel to its final working hardness and toughness. 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Tool Steel Heat Treatment Guide: Annealing to Tempering"}]},{"@type":"WebSite","@id":"https:\/\/aobosteel.com\/#website","url":"https:\/\/aobosteel.com\/","name":"AoboSteel","description":"","publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/aobosteel.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-BR"},{"@type":"Organization","@id":"https:\/\/aobosteel.com\/#organization","name":"AoboSteel","url":"https:\/\/aobosteel.com\/","logo":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","width":1052,"height":592,"caption":"AoboSteel"},"image":{"@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/"]},{"@type":"Person","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7","name":"Evan","image":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","caption":"Evan"},"sameAs":["http:\/\/www.aobosteel.com","https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.instagram.com\/aobosteel\/","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/","https:\/\/x.com\/AobosteelEvan","https:\/\/www.youtube.com\/@aobosteel"],"url":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201091006","position":1,"url":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201091006","name":"Qual a dureza HRC atingida pelo H13 ap\u00f3s o tratamento t\u00e9rmico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"H13 typically reaches 51-54 HRC in the as-quenched condition. After tempering, the working hardness is typically reduced to 40 to 50 HRC, depending on the application. Die-casting dies are commonly finished at 44 to 48 HRC, while high-shock forging tools are finished lower, around 40 to 44 HRC, for better crack resistance.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201129549","position":2,"url":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201129549","name":"Qual \u00e9 a dureza do H13 antes do tratamento t\u00e9rmico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"In the annealed condition, which is how H13 is normally supplied for machining, the hardness is approximately 192-229 HB. This is the softened, spheroidized state used for rough shaping before the tool is hardened and tempered.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201146174","position":3,"url":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201146174","name":"Qual \u00e9 o aspecto t\u00edpico de um gr\u00e1fico de t\u00eampera H13?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"H13 is double tempered in the range of 510 to 620\u00b0C (950 to 1150\u00b0F), with a practical guideline of 2 hours per inch of the thinnest section and a minimum of 2 hours per cycle. The part should cool fully to room temperature between tempers. The exact tempering temperature within this range is chosen based on the target working hardness and the tool's service temperature, since the highest possible hardness is rarely the best final condition for hot-work service.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201163661","position":4,"url":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201163661","name":"Como \u00e9 feito o endurecimento do a\u00e7o ferramenta H13?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Hardening H13 involves three linked stages rather than a single step. The steel is preheated to 790 to 815\u00b0C to reduce thermal shock, then austenitized to 995 to 1025\u00b0C, commonly set at 1010\u00b0C, to dissolve sufficient alloying carbides for a full hardening response. It is then quenched in still air or high-pressure gas rather than water, with the quench interrupted at about 50 to 66\u00b0C so the part can move immediately into tempering. Skipping or delaying this last step is the most common cause of quench cracking in H13.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201182316","position":5,"url":"https:\/\/aobosteel.com\/h13-steel-heat-treatment\/#faq-question-1784201182316","name":"Qual \u00e9 o processo completo de tratamento t\u00e9rmico H13?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The process runs through five stages in order: annealing to soften the steel for machining, preheating to equalize temperature before hardening, austenitizing to build the hardening response, quenching to form the hardened structure, and double tempering to bring the steel to its final working hardness and toughness. Each stage addresses a different risk, from cracking during quenching to soft spots in large sections, so skipping or shortening a stage typically shows up later as a specific, identifiable failure mode.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"H13 Tool Steel Heat Treatment Guide H13 Tool Steel Heat Treatment Guide H13 tool steel is typically heat-treated by annealing at 845\u2013900\u00b0C \/ 1550\u20131650\u00b0F, preheating at 790\u2013815\u00b0C \/ 1450\u20131500\u00b0F, austenitizing at 995\u20131025\u00b0C \/ 1825\u20131875\u00b0F, quenching in still air or high-pressure gas, and double tempering at 510\u2013620\u00b0C \/ 950\u20131150\u00b0F. After proper heat treatment, H13 usually reaches&hellip;","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/H13-HEAT-TREATMENT-AD-1-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"H13 Tool Steel Heat Treatment Guide H13 Tool Steel Heat Treatment Guide H13 tool steel is typically heat-treated by annealing at 845\u2013900\u00b0C \/ 1550\u20131650\u00b0F, preheating at 790\u2013815\u00b0C \/ 1450\u20131500\u00b0F, austenitizing at 995\u20131025\u00b0C \/ 1825\u20131875\u00b0F, quenching in still air or high-pressure gas, and double tempering at 510\u2013620\u00b0C \/ 950\u20131150\u00b0F. After proper heat treatment, H13 usually reaches&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/11644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/comments?post=11644"}],"version-history":[{"count":1,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/11644\/revisions"}],"predecessor-version":[{"id":17079,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/11644\/revisions\/17079"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media\/15104"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media?parent=11644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}