{"id":11921,"date":"2026-01-03T21:22:20","date_gmt":"2026-01-03T13:22:20","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11921"},"modified":"2026-01-28T23:46:33","modified_gmt":"2026-01-28T15:46:33","slug":"d6-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/d6-tool-steel-heat-treatment\/","title":{"rendered":"Guia de tratamento t\u00e9rmico do a\u00e7o ferramenta D6"},"content":{"rendered":"
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In\u00edcio<\/mark> <\/a>> Centro T\u00e9cnico de Tratamento T\u00e9rmico de A\u00e7os para Ferramentas<\/mark> <\/a> Guia de Tratamento T\u00e9rmico do A\u00e7o Ferramenta D6<\/h6><\/div>\n\n\n\n

Aobo Steel | Fornecedor global de a\u00e7o para ferramentas na China<\/em><\/h4><\/div>\n\n\n\n

Guia de tratamento t\u00e9rmico do a\u00e7o ferramenta D6<\/h1>

Orienta\u00e7\u00f5es pr\u00e1ticas sobre tratamento t\u00e9rmico para a\u00e7o ferramenta D6 (1.2436) para melhorar a resist\u00eancia ao desgaste, minimizando os riscos de fissuras e distor\u00e7\u00f5es.<\/p><\/div>\n\n\n\n

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Solicite uma consulta r\u00e1pida<\/a><\/div>\n\n\n\n
Especifica\u00e7\u00f5es do material D6<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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A\u00e7o para ferramentas D6<\/a> \u00c9 um a\u00e7o ferramenta para trabalho a frio com alto teor de carbono e cromo, que oferece excepcional resist\u00eancia ao desgaste e \u00e0 compress\u00e3o. Sua composi\u00e7\u00e3o qu\u00edmica e propriedades funcionais s\u00e3o muito semelhantes \u00e0s do AISI D3, mas s\u00e3o aprimoradas pela adi\u00e7\u00e3o de tungst\u00eanio e van\u00e1dio.<\/p>\n\n\n\n

O tratamento t\u00e9rmico do a\u00e7o D6 consiste em v\u00e1rias etapas: pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o<\/a>, t\u00eampera<\/a>, e t\u00eampera<\/a>.<\/p>\n\n\n\n

Lista de verifica\u00e7\u00e3o r\u00e1pida do tratamento t\u00e9rmico do a\u00e7o ferramenta D6<\/h2>\n\n\n\n

Tempo necess\u00e1rio: <\/span>1 dia<\/p>

O tratamento t\u00e9rmico do a\u00e7o ferramenta D6 consiste em pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o, t\u00eampera e revenido para garantir excepcional resist\u00eancia ao desgaste e \u00e0 compress\u00e3o.<\/p>

  1. Pr\u00e9-aquecimento<\/strong><\/strong>

    Para evitar fissuras devido \u00e0 absor\u00e7\u00e3o lenta de calor, utilize um processo em duas etapas. Primeiro, aque\u00e7a o a\u00e7o a aproximadamente 650\u00b0C (1200\u00b0F)<\/strong> Para aliviar o estresse, aumente a temperatura para aproximadamente 850\u00b0C (1560\u00b0F)<\/strong> para garantir um aquecimento uniforme antes do endurecimento.<\/p> <\/li>

  2. Austenitiza\u00e7\u00e3o (endurecimento)<\/strong><\/strong>

    Ap\u00f3s o pr\u00e9-aquecimento, aumente a temperatura do forno para 1725\u00b0F (940\u00b0C)<\/strong>. Mantenha o a\u00e7o D6 nessa temperatura por 15 minutos<\/strong> para pe\u00e7as pequenas ou 45 minutos<\/strong> Para pe\u00e7as grandes, assegure a dissolu\u00e7\u00e3o completa do carboneto; evite tempos de espera excessivos para prevenir o crescimento anormal de gr\u00e3os.<\/p> <\/li>

  3. Resfriamento<\/strong><\/strong>

    Resfrie o componente em \u00f3leo<\/strong>, Agite continuamente o l\u00edquido para quebrar as bolsas de vapor que podem causar pontos fracos. Retire o a\u00e7o do \u00f3leo quando a temperatura cair para 60\u201380\u00b0C<\/strong>; N\u00e3o deixe a pe\u00e7a esfriar at\u00e9 a temperatura ambiente antes da pr\u00f3xima etapa.<\/p> <\/li>

  4. T\u00eampera<\/strong><\/strong>

    Transfira imediatamente o a\u00e7o para um forno de revenimento pr\u00e9-aquecido enquanto ele ainda estiver quente (60\u201380\u00b0C<\/strong>Para reduzir o risco de fissuras, realize um processo de t\u00eampera em duas etapas, come\u00e7ando aproximadamente a 100\u00b0C. 200\u00b0C<\/strong> para atingir uma dureza de cerca de 60 HRC<\/strong> e eliminar as tens\u00f5es internas.<\/p> <\/li><\/ol><\/div>\n\n\n\n

    Pr\u00e9-aquecimento<\/h2>\n\n\n\n

    O a\u00e7o D6 \u00e9 um a\u00e7o com alto teor de carbono e cromo, apresentando baixa condutividade t\u00e9rmica e lenta absor\u00e7\u00e3o de calor. O aquecimento r\u00e1pido pode causar fissuras e deforma\u00e7\u00f5es, sendo recomendado um processo de pr\u00e9-aquecimento em duas etapas.<\/p>\n\n\n\n

    Primeira etapa: Aquecer o a\u00e7o ferramenta D6 a aproximadamente 650\u00b0C (1200\u00b0F). Essa temperatura inicial permite que o a\u00e7o aque\u00e7a uniformemente e alivie as tens\u00f5es antes que se torne excessivamente macio.<\/p>\n\n\n\n

    Segunda etapa: Elevar a temperatura para aproximadamente 850 \u00b0C (1560 \u00b0F). O aquecimento completo e uniforme \u00e9 essencial em ambas as etapas, o que tamb\u00e9m reduz o tempo necess\u00e1rio para a etapa subsequente de austenitiza\u00e7\u00e3o em alta temperatura.<\/p>\n\n\n\n

    Austenitiza\u00e7\u00e3o (endurecimento)<\/h2>\n\n\n\n

    Ap\u00f3s um pr\u00e9-aquecimento completo, eleve a temperatura at\u00e9 a temperatura de austenitiza\u00e7\u00e3o do a\u00e7o D6, de 940 \u00b0C (1725 \u00b0F). Nessa temperatura, mantenha por 15 minutos para pe\u00e7as pequenas de a\u00e7o D6 e 45 minutos para pe\u00e7as grandes, com base na experi\u00eancia. O tempo de austenitiza\u00e7\u00e3o deve ser rigorosamente controlado para garantir a uniformidade da temperatura e a completa dissolu\u00e7\u00e3o dos carbonetos. No entanto, deve-se evitar um tempo de manuten\u00e7\u00e3o excessivo para prevenir o crescimento anormal dos gr\u00e3os de austenita, o que pode degradar as propriedades do a\u00e7o.<\/p>\n\n\n\n

    Resfriamento<\/h2>\n\n\n\n

    O a\u00e7o D6 deve ser temperado em \u00f3leo. Quando o a\u00e7o D6 estiver imerso no \u00f3leo, este deve ser agitado continuamente. Retire o a\u00e7o D6 do \u00f3leo de t\u00eampera quando sua temperatura cair para aproximadamente 60\u201380 \u00b0C e realize o revenimento imediatamente para reduzir o risco de trincas. Nunca deixe o a\u00e7o esfriar at\u00e9 a temperatura ambiente antes do revenimento.<\/p>\n\n\n\n

    T\u00eampera<\/h2>\n\n\n\n

    O revenido elimina as tens\u00f5es internas geradas durante a t\u00eampera do a\u00e7o D6 e transforma a austenita retida. O revenido deve ser realizado imediatamente ap\u00f3s a t\u00eampera, a uma temperatura entre 60 e 80 \u00b0C. Aguardar at\u00e9 a temperatura ambiente pode causar ac\u00famulo de tens\u00f5es e fissuras. Recomenda-se um processo de revenido em dois est\u00e1gios para o a\u00e7o D6. Normalmente, o D6 \u00e9 revenido inicialmente a aproximadamente 200 \u00b0C para atingir uma dureza de cerca de 60 HRC. <\/p>\n\n\n\n

    A rela\u00e7\u00e3o entre a temperatura de revenimento e a dureza.<\/p>\n\n\n\n

    Temperatura de t\u00eampera (\u00b0F \/ \u00b0C)<\/strong><\/td>Dureza (Rockwell C)<\/strong><\/td><\/tr><\/thead>
    Como extinto<\/strong><\/td>67<\/strong><\/td><\/tr>
    300\u00b0F \/ 150\u00b0C<\/td>65<\/td><\/tr>
    400\u00b0F \/ 205\u00b0C<\/td>64<\/td><\/tr>
    500\u00b0F \/ 260\u00b0C<\/td>63<\/td><\/tr>
    600\u00b0F \/ 315\u00b0C<\/td>62<\/td><\/tr>
    700\u00b0F \/ 370\u00b0C<\/td>61<\/td><\/tr>
    800\u00b0F \/ 425\u00b0C<\/td>61<\/td><\/tr>
    900\u00b0F \/ 480\u00b0C<\/td>58<\/td><\/tr>
    1000\u00b0F \/ 540\u00b0C<\/td>55<\/td><\/tr><\/tbody><\/table>
    TEMPERATURA DE PR\u00c9-AQUECIMENTO: 650\u00b0C, TEMPERATURA DE ENDURECIMENTO: 940\u00b0C, T\u00caMPERA EM \u00d3LEO, COMPOSI\u00c7\u00c3O QU\u00cdMICA: Carbono 2,10%, Mangan\u00eas 0,30%, Sil\u00edcio 0,85%, Cromo 12,00%, Tungst\u00eanio 0,75%<\/figcaption><\/figure>\n\n\n\n

    Problemas comuns e solu\u00e7\u00f5es no tratamento t\u00e9rmico do a\u00e7o D6<\/h2>\n\n\n\n

    Rachaduras<\/h3>\n\n\n\n

    As fissuras de t\u00eampera geralmente resultam de resfriamento excessivo antes do revenimento, resfriamento irregular durante a t\u00eampera ou pontos de concentra\u00e7\u00e3o de tens\u00e3o, como cantos vivos ou marcas de estampagem.<\/p>\n\n\n\n

    A solu\u00e7\u00e3o consiste em remover as pe\u00e7as da t\u00eampera em \u00f3leo enquanto ainda estiverem mornas ao toque e transferi-las imediatamente para um forno de revenimento pr\u00e9-aquecido. Al\u00e9m disso, certifique-se de que os projetos incorporem cantos arredondados para minimizar a concentra\u00e7\u00e3o de tens\u00f5es.<\/p>\n\n\n\n

    Pontos fracos<\/h3>\n\n\n\n

    Os pontos fracos podem resultar de duas causas: primeiro, uma pel\u00edcula de vapor n\u00e3o condutora formada durante o resfriamento impede o contato entre o agente de resfriamento e o a\u00e7o D6, reduzindo as taxas de resfriamento locais; segundo, a descarboneta\u00e7\u00e3o que ocorre durante a austenitiza\u00e7\u00e3o.<\/p>\n\n\n\n

    As solu\u00e7\u00f5es incluem: agitar continuamente o \u00f3leo de t\u00eampera durante o processo para quebrar as bolsas de vapor, garantir a prote\u00e7\u00e3o adequada da atmosfera durante a austenitiza\u00e7\u00e3o ou envolver o a\u00e7o D6 em folha de metal para evitar a descarboneta\u00e7\u00e3o.<\/p>\n\n\n\n

    Deforma\u00e7\u00e3o<\/h3>\n\n\n\n

    A deforma\u00e7\u00e3o D6 \u00e9 causada por tens\u00f5es residuais de usinagem e tens\u00f5es t\u00e9rmicas resultantes de aquecimento ou resfriamento desiguais. O tratamento t\u00e9rmico de al\u00edvio de tens\u00f5es deve ser realizado antes do endurecimento do processo D6, com pr\u00e9-aquecimento gradual.<\/p>\n\n\n\n

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    Procurando por a\u00e7o D6 (1.2436) de alto desempenho?<\/h3><\/div>\n\n\n\n

    Aproveitando mais de 20 anos de experi\u00eancia em forjamento em Huangshi, China, a Aobo Steel se especializa na fabrica\u00e7\u00e3o de a\u00e7o ferramenta D6 (1.2436) com classifica\u00e7\u00e3o UT Sep 1921-82 D\/d garantida. Fornecemos barras redondas e planas forjadas diretamente da f\u00e1brica, garantindo uma microestrutura uniforme e dureza excepcional (at\u00e9 64 HRC) para suas aplica\u00e7\u00f5es de trabalho a frio de alto desgaste mais exigentes.<\/p>\n<\/div>\n\n\n\n

    \n
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    Ver especifica\u00e7\u00f5es do material D6<\/a><\/div>\n\n\n\n
    Consulta r\u00e1pida sobre o material D6<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

    Perguntas frequentes<\/h2>\n\n\n\n
    Quais s\u00e3o as etapas de tratamento t\u00e9rmico para o a\u00e7o D6?<\/strong>

    O processo consiste em pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o, t\u00eampera e revenido. Seguir essas etapas \u00e9 crucial porque o a\u00e7o D6 possui baixa condutividade t\u00e9rmica e lenta absor\u00e7\u00e3o de calor.<\/p> <\/div>

    Como pr\u00e9-aquecer o a\u00e7o ferramenta D6?<\/strong>

    Utilize um processo em duas etapas para evitar rachaduras. Primeiro, aque\u00e7a a 650\u00b0C (1200\u00b0F) para aliviar a tens\u00e3o e, em seguida, eleve a temperatura para 850\u00b0C (1560\u00b0F) para garantir um aquecimento uniforme antes do endurecimento.<\/p> <\/div>

    Qual \u00e9 a temperatura de endurecimento do a\u00e7o D6?<\/strong>

    Ap\u00f3s o pr\u00e9-aquecimento, eleve a temperatura para 940 \u00b0C (1725 \u00b0F). Mantenha essa temperatura por 15 minutos para pe\u00e7as pequenas ou 45 minutos para pe\u00e7as grandes para garantir a completa dissolu\u00e7\u00e3o do carboneto.<\/p> <\/div>

    Como temperar o a\u00e7o ferramenta D6?<\/strong>

    Resfrie o a\u00e7o D6 em \u00f3leo, mexendo continuamente o l\u00edquido. Retire o a\u00e7o quando ele esfriar a 60\u201380 \u00b0C e fa\u00e7a o revenimento imediatamente; nunca deixe esfriar at\u00e9 a temperatura ambiente primeiro.<\/p> <\/div>

    Qual \u00e9 a temperatura de revenido do a\u00e7o D6?<\/strong>

    O a\u00e7o D6 deve ser submetido a um processo de revenido em duas etapas imediatamente ap\u00f3s o resfriamento brusco. A primeira etapa \u00e9 normalmente realizada a aproximadamente 200\u00b0C para atingir uma dureza de cerca de 60 HRC.<\/p> <\/div>

    Por que o a\u00e7o D6 trinca durante o tratamento t\u00e9rmico?<\/strong>

    O aparecimento de fissuras \u00e9 causado por resfriamento excessivo antes da t\u00eampera, resfriamento irregular ou concentra\u00e7\u00e3o de tens\u00f5es, como cantos vivos. Para evitar isso, retire as pe\u00e7as do \u00f3leo enquanto ainda estiverem mornas e utilize cantos arredondados no projeto.<\/p> <\/div>

    O que causa pontos fracos no a\u00e7o D6?<\/strong>

    Pontos fracos resultam da forma\u00e7\u00e3o de pel\u00edculas de vapor n\u00e3o condutoras durante o resfriamento ou da descarboneta\u00e7\u00e3o durante a austenitiza\u00e7\u00e3o. Evite isso agitando o \u00f3leo de resfriamento e utilizando prote\u00e7\u00e3o atmosf\u00e9rica ou folha de metal.<\/p> <\/div>

    Como evitar a deforma\u00e7\u00e3o no a\u00e7o D6?<\/strong>

    A deforma\u00e7\u00e3o resulta de tens\u00f5es residuais de usinagem e tens\u00f5es t\u00e9rmicas. Para minimizar isso, realize um tratamento t\u00e9rmico de al\u00edvio de tens\u00f5es antes da t\u00eampera e utilize um m\u00e9todo de pr\u00e9-aquecimento gradual.<\/p> <\/div> <\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

    D6 tool steel is a high-carbon, high-chromium cold-work tool steel offering exceptional wear resistance and compressive strength. Its chemical composition and functional properties closely resemble those of AISI D3, but it is enhanced through the addition of tungsten and vanadium. The heat treatment of D6 steel consists of several steps: preheating, austenitizing, quenching, and tempering. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"knowledge-article","_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-11921","page","type-page","status-publish","hentry"],"yoast_head":"\nD6 Tool Steel Heat Treatment Guide - AoboSteel<\/title>\n<meta name=\"description\" content=\"Learn how D6 tool steel heat treatment can improve your tools' performance. 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To minimize this, perform stress-relieving heat treatment before hardening and use a graded preheating method.\",\"inLanguage\":\"pt-BR\"},\"inLanguage\":\"pt-BR\"},{\"@type\":\"HowTo\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d6-tool-steel-heat-treatment\\\/#howto-1\",\"name\":\"D6 Tool Steel Heat Treatment Guide\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/d6-tool-steel-heat-treatment\\\/#article\"},\"description\":\"The heat treatment of D6 tool steel consists of preheating, austenitizing, quenching, and tempering to ensure exceptional wear resistance and compressive strength.\",\"totalTime\":\"P1DT0H0M\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/d6-tool-steel-heat-treatment\\\/#how-to-step-1767445941111\",\"name\":\"Preheating\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"To prevent cracking due to slow heat absorption, use a two-stage process. 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Following these steps is critical because D6 has low thermal conductivity and slow heat absorption.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445752429","position":2,"url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445752429","name":"Como pr\u00e9-aquecer o a\u00e7o ferramenta D6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use a two-stage process to prevent cracking. Heat first to 650\u00b0C (1200\u00b0F) to relieve stress, then raise to 850\u00b0C (1560\u00b0F) to ensure uniform heating before hardening.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445753152","position":3,"url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445753152","name":"Qual \u00e9 a temperatura de endurecimento do a\u00e7o D6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Raise the temperature to 1725\u00b0F (940\u00b0C) after preheating. Hold this temperature for 15 minutes for small pieces or 45 minutes for large pieces to ensure complete carbide dissolution.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445754345","position":4,"url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445754345","name":"Como temperar o a\u00e7o ferramenta D6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Quench D6 in oil while continuously stirring the liquid. Remove the steel when it cools to 60\u201380\u00b0C and immediately temper it; never allow it to cool to room temperature first.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445795131","position":5,"url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445795131","name":"Qual \u00e9 a temperatura de revenido do a\u00e7o D6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"D6 should undergo a two-stage tempering process immediately after quenching. The first stage is typically performed at approximately 200\u00b0C to achieve a hardness of about 60 HRC.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445796331","position":6,"url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445796331","name":"Por que o a\u00e7o D6 trinca durante o tratamento t\u00e9rmico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Cracking is caused by excessive cooling before tempering, uneven cooling, or stress concentrations, such as sharp corners. To prevent this, remove parts from oil while warm and use rounded corners in the design.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445797216","position":7,"url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445797216","name":"O que causa pontos fracos no a\u00e7o D6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Soft spots result from non-conductive vapor films forming during quenching or decarburization during austenitization. Prevent this by agitating the quenching oil and using atmosphere protection or metal foil.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445839587","position":8,"url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#faq-question-1767445839587","name":"Como evitar a deforma\u00e7\u00e3o no a\u00e7o D6?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Deformation results from residual machining stresses and thermal stresses. To minimize this, perform stress-relieving heat treatment before hardening and use a graded preheating method.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"HowTo","@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#howto-1","name":"Guia de tratamento t\u00e9rmico do a\u00e7o ferramenta D6","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#article"},"description":"O tratamento t\u00e9rmico do a\u00e7o ferramenta D6 consiste em pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o, t\u00eampera e revenido para garantir excepcional resist\u00eancia ao desgaste e \u00e0 compress\u00e3o.","totalTime":"P1DT0H0M","step":[{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#how-to-step-1767445941111","name":"Preheating","itemListElement":[{"@type":"HowToDirection","text":"To prevent cracking due to slow heat absorption, use a two-stage process. First, heat the steel to approximately 650\u00b0C (1200\u00b0F) to relieve stresses, then raise the temperature to approximately 850\u00b0C (1560\u00b0F) to ensure uniform heating before hardening."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#how-to-step-1767446076116","name":"Austenitizing (Hardening)","itemListElement":[{"@type":"HowToDirection","text":"Once preheated, increase the furnace temperature to 1725\u00b0F (940\u00b0C). Hold the D6 steel at this temperature for 15 minutes for small pieces or 45 minutes for large pieces to ensure complete carbide dissolution; avoid excessive holding times to prevent abnormal grain growth."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#how-to-step-1767446101768","name":"Quenching","itemListElement":[{"@type":"HowToDirection","text":"Quench the component in oil, continuously agitating the liquid to break up vapor pockets that can cause soft spots. Remove the steel from the oil when the temperature drops to 60\u201380\u00b0C; do not allow the part to cool to room temperature before the next step."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/d6-tool-steel-heat-treatment\/#how-to-step-1767446102608","name":"Tempering","itemListElement":[{"@type":"HowToDirection","text":"Immediately transfer the steel to a preheated tempering furnace while it is still warm (60\u201380\u00b0C) to reduce the risk of cracking. Perform a two-stage tempering process, starting at approximately 200\u00b0C to achieve a hardness of about 60 HRC and eliminate internal stresses."}]}],"inLanguage":"pt-BR"}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"D6 tool steel is a high-carbon, high-chromium cold-work tool steel offering exceptional wear resistance and compressive strength. Its chemical composition and functional properties closely resemble those of AISI D3, but it is enhanced through the addition of tungsten and vanadium. The heat treatment of D6 steel consists of several steps: preheating, austenitizing, quenching, and tempering.…","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"D6 tool steel is a high-carbon, high-chromium cold-work tool steel offering exceptional wear resistance and compressive strength. Its chemical composition and functional properties closely resemble those of AISI D3, but it is enhanced through the addition of tungsten and vanadium. The heat treatment of D6 steel consists of several steps: preheating, austenitizing, quenching, and tempering.…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/11921","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=11921"}],"version-history":[{"count":0,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/11921\/revisions"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media?parent=11921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}