{"id":9334,"date":"2025-08-02T10:11:30","date_gmt":"2025-08-02T02:11:30","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9334"},"modified":"2026-04-26T00:12:20","modified_gmt":"2026-04-25T16:12:20","slug":"m42-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/m42-tool-steel\/","title":{"rendered":"A\u00e7o ferramenta M42 | 1.3247 | SKH59"},"content":{"rendered":"<div class=\"wp-block-cover alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"337\" class=\"wp-block-cover__image-background wp-image-7233 size-large\" alt=\"\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-300x99.webp 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-768x253.webp 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1536x506.webp 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-18x6.webp 18w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#4e4b40\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-uagb-container uagb-block-29fc5c3c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c196a237\"><h6 class=\"uagb-heading-text\"><a href=\"https:\/\/aobosteel.com\/pt\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">In\u00edcio<\/mark> <\/a>&gt; <a href=\"https:\/\/aobosteel.com\/pt\/tool-steels\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Cat\u00e1logo de A\u00e7os para Ferramentas<\/mark><u> <\/u><\/a>A\u00e7o ferramenta M42<\/h6><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d1ce38c5\"><h5 class=\"uagb-heading-text\"><em>Aobo Steel | Fornecedor global de a\u00e7o para ferramentas na China<\/em><\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-5b6189ba\"><h2 class=\"uagb-heading-text\">A\u00e7o ferramenta AISI M42 | 1.3247 | A\u00e7o r\u00e1pido superduro com cobalto SKH59<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-914bcd03\"><h5 class=\"uagb-heading-text\">\u2713100% Garantia de Qualidade Testada por Ultrassom<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-84cd4af9\"><h5 class=\"uagb-heading-text\">\u2713SET 1921-82 Classe D\/d Garantida<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-20e20150\"><h5 class=\"uagb-heading-text\">\u2713Entrega no estado recozido<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-33ee52f8\"><h5 class=\"uagb-heading-text\">\u2713Superf\u00edcie: Escama preta, torneada, acabamento bruto ou polida<\/h5><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Consulta r\u00e1pida sobre o material M42<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas M42 \u00e9 classificado como um a\u00e7o r\u00e1pido para ferramentas \u00e0 base de molibd\u00eanio, pertencente \u00e0 s\u00e9rie M. Trata-se de uma liga complexa \u00e0 base de ferro, conhecida por seu alto teor de carbono e pela adi\u00e7\u00e3o de diversos elementos de liga. Esses elementos de liga s\u00e3o essenciais porque formam carbonetos que contribuem significativamente para as propriedades do a\u00e7o, como resist\u00eancia ao desgaste e resist\u00eancia ao amolecimento em temperaturas elevadas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-chemical-composition\">1. Composi\u00e7\u00e3o qu\u00edmica<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>C<\/td><td>Cr<\/td><td>Mo<\/td><td>W<\/td><td>Co<\/td><td>V<\/td><td>Mn<\/td><td>Si<\/td><td>P<\/td><td>S<\/td><td>Cu<\/td><td>Ni<\/td><\/tr><tr><td>1,05 \u2013 1,1<\/td><td>3,5 \u2013 4,25<\/td><td>9,0 \u2013 10,0<\/td><td>1,15 \u2013 1,85<\/td><td>7,75 \u2013 8,75<\/td><td>0,95 \u2013 1,35<\/td><td>0,15 \u2013 0,40<\/td><td>0,15 \u2013 0,65<\/td><td>0,03 m\u00e1x.<\/td><td>0,03 m\u00e1x.<\/td><td>0,25 m\u00e1x.<\/td><td>0,3 m\u00e1x.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-properties\">2. Propriedades<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uma compreens\u00e3o clara de&nbsp;<strong>Propriedades do a\u00e7o para ferramentas M42<\/strong>&nbsp;\u00c9 crucial para opera\u00e7\u00f5es que exigem ferramentas de corte de alto desempenho. O M42 \u00e9 um a\u00e7o r\u00e1pido para ferramentas (HSS) \u00e0 base de molibd\u00eanio, que geralmente cont\u00e9m tungst\u00eanio e cobalto. Ele \u00e9 projetado para aplica\u00e7\u00f5es onde o calor e o desgaste s\u00e3o as principais preocupa\u00e7\u00f5es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aqui est\u00e3o suas principais caracter\u00edsticas com base nas informa\u00e7\u00f5es fornecidas:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-1-core-performance-attributes\">2.1 Atributos de desempenho essenciais<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dureza excepcional:<\/strong>&nbsp;O M42 atinge n\u00edveis de dureza muito altos (at\u00e9 68-70 HRC) ap\u00f3s tratamento t\u00e9rmico. Sua dureza ap\u00f3s t\u00eampera \u00e9 tipicamente em torno de 65 HRC, o que o coloca entre os graus de HSS mais duros.<\/li>\n\n\n\n<li><strong>Excelente dureza a quente:<\/strong>&nbsp;Este a\u00e7o mant\u00e9m alta dureza em temperaturas elevadas (at\u00e9 538 \u00b0C\/1000 \u00b0F), o que \u00e9 crucial para opera\u00e7\u00f5es de corte em alta velocidade. Sua dureza a quente supera a de a\u00e7os r\u00e1pidos convencionais, como...&nbsp;<em><a href=\"https:\/\/aobosteel.com\/pt\/m2-tool-steel\/\">M2<\/a><\/em>&nbsp;ou M7.<\/li>\n\n\n\n<li><strong>Resist\u00eancia superior ao desgaste:<\/strong>&nbsp;O M42 oferece excelente resist\u00eancia ao desgaste, devido \u00e0 sua matriz martens\u00edtica dura e \u00e0 presen\u00e7a de carbonetos de liga dura formados por elementos como van\u00e1dio, molibd\u00eanio, tungst\u00eanio e cromo.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-2-heat-treatment-and-structural-integrity\">2.2 Tratamento T\u00e9rmico e Integridade Estrutural<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Endurecimento secund\u00e1rio:<\/strong>\u00a0O a\u00e7o M42 apresenta endurecimento secund\u00e1rio durante o revenido. O revenido a temperaturas elevadas espec\u00edficas (por exemplo, 510 \u00b0C ou 538 \u00b0C) pode resultar em uma dureza revenida igual ou superior \u00e0 dureza ap\u00f3s t\u00eampera. Geralmente, recomenda-se a realiza\u00e7\u00e3o de m\u00faltiplos revenidos para melhorar a tenacidade geral, transformando a dureza retida.\u00a0<em>austenita<\/em>.<\/li>\n\n\n\n<li><strong>Robustez:<\/strong>&nbsp;Embora o M42 ofere\u00e7a boa tenacidade, ela \u00e9 relativamente baixa em compara\u00e7\u00e3o com outros tipos de a\u00e7o para ferramentas. Isso pode, \u00e0s vezes, levar \u00e0 lascamento em aplica\u00e7\u00f5es gerais, nas quais um a\u00e7o de grau como o M2 teria melhor desempenho.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-3-machinability-and-processing\">2.3 Usinabilidade e Processamento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas M42 tem uma classifica\u00e7\u00e3o de usinabilidade de aproximadamente 65 (onde o a\u00e7o carbono para ferramentas W1 = 100). Tamb\u00e9m \u00e9 considerado relativamente f\u00e1cil de retificar.<\/p>\n\n\n\n<div class=\"wp-block-columns has-ast-global-color-8-background-color has-background is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif\" alt=\"A\u00c7O PARA FERRAMENTAS M42\" class=\"wp-image-4845\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif 1000w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-768x768.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-12x12.avif 12w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">A\u00e7o r\u00e1pido M42<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Procurando a\u00e7o r\u00e1pido M42? Preencha o formul\u00e1rio abaixo para entrar em contato conosco agora mesmo!<\/p>\n\n\n\n<div class=\"wp-block-leadin-hubspot-form-block\">\n\t\t\t\t\t\t<script>\n\t\t\t\t\t\t\twindow.hsFormsOnReady = window.hsFormsOnReady || [];\n\t\t\t\t\t\t\twindow.hsFormsOnReady.push(()=>{\n\t\t\t\t\t\t\t\thbspt.forms.create({\n\t\t\t\t\t\t\t\t\tportalId: 242461771,\n\t\t\t\t\t\t\t\t\tformId: \"1f7a4dcb-eb56-45e5-bd4f-5921cbf714c1\",\n\t\t\t\t\t\t\t\t\ttarget: \"#hbspt-form-1779915204000-2409615010\",\n\t\t\t\t\t\t\t\t\tregion: \"na2\",\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t})});\n\t\t\t\t\t\t<\/script>\n\t\t\t\t\t\t<div class=\"hbspt-form\" id=\"hbspt-form-1779915204000-2409615010\"><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-m42-tool-steel-heat-treatment\">3. A\u00e7o para ferramentas M42\u00a0<em>Tratamento t\u00e9rmico<\/em><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uma ferramenta M42 tratada de forma ideal passa por diversas fases distintas: prepara\u00e7\u00e3o e pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o (endurecimento), t\u00eampera e revenido. Cada etapa \u00e9 indispens\u00e1vel para o desenvolvimento da microestrutura e das propriedades mec\u00e2nicas desejadas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-1-preparation-and-preheat\">3.1 Prepara\u00e7\u00e3o e pr\u00e9-aquecimento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A prepara\u00e7\u00e3o meticulosa \u00e9 crucial antes de submeter o a\u00e7o ferramenta M42 ao endurecimento em altas temperaturas. Isso geralmente inclui processos iniciais, como o recozimento, que amolece o a\u00e7o, refina sua microestrutura e o prepara para um endurecimento eficaz. As ferramentas tamb\u00e9m podem ser esferoidizadas para melhorar a usinabilidade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O tratamento t\u00e9rmico do a\u00e7o para ferramentas M42 normalmente incorpora uma fase de pr\u00e9-aquecimento em etapas, essencial para minimizar o choque t\u00e9rmico e poss\u00edveis rachaduras, especialmente em ferramentas com se\u00e7\u00f5es transversais variadas.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uma temperatura de pr\u00e9-aquecimento comum para M42 \u00e9&nbsp;<strong>815\u00b0C (1500\u00b0F)<\/strong>.<\/li>\n\n\n\n<li>O objetivo \u00e9 levar o a\u00e7o uniformemente \u00e0 temperatura, reduzindo o estresse antes do est\u00e1gio cr\u00edtico de austenitiza\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-2-austenitizing-hardening\">3.2 Austenitiza\u00e7\u00e3o (endurecimento)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A austenitiza\u00e7\u00e3o \u00e9 a etapa fundamental da transforma\u00e7\u00e3o. Aqui, o a\u00e7o ferramenta M42 recozido (principalmente ferrite e carbonetos de liga) \u00e9 aquecido a uma temperatura espec\u00edfica elevada. Isso converte a estrutura em&nbsp;<strong>austenita<\/strong>&nbsp;e dissolve carbonetos de liga complexos, essenciais para a dureza final e caracter\u00edsticas de desgaste.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os principais par\u00e2metros para austenitiza\u00e7\u00e3o do a\u00e7o para ferramentas M42 incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"><strong>Temperatura:<\/strong>&nbsp;Normalmente entre&nbsp;<strong>1180\u00b0C e 1190\u00b0C (2155\u00b0F e 2175\u00b0F)<\/strong>.<\/span> Um estudo identificou 1180\u00b0C (1453 K) como uma temperatura de austenitiza\u00e7\u00e3o ideal.<\/li>\n\n\n\n<li><strong>Tempo de espera:<\/strong>&nbsp;Relativamente curto para a\u00e7os r\u00e1pidos, geralmente&nbsp;<strong>2 a 6 minutos<\/strong>&nbsp;assim que o a\u00e7o atingir a temperatura desejada. Por exemplo, uma imers\u00e3o de 4 minutos a 1190 \u00b0C (2175 \u00b0F) \u00e9 uma recomenda\u00e7\u00e3o comum. Manter o M42 a 1180 \u00b0C por 15 a 30 minutos demonstrou microestrutura e dureza consistentes.<\/li>\n\n\n\n<li><strong>Cuidado:<\/strong>&nbsp;Exceder a temperatura ou o tempo de espera recomendados pode ser prejudicial. Isso pode levar \u00e0 dissolu\u00e7\u00e3o excessiva do carboneto e ao crescimento indesejado de gr\u00e3os, impactando negativamente as propriedades do a\u00e7o, incluindo uma potencial redu\u00e7\u00e3o da dureza devido a fen\u00f4menos como o amadurecimento de Ostwald, se mantido por muito tempo (por exemplo, 45 minutos a 1180 \u00b0C).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-3-quenching\">3.3 T\u00eampera<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">After austenitizing, M42 tool steel is rapidly cooled (quenched) to transform austenite into\u00a0martensite. Martensite is the hard crystal structure providing cutting and wear-resistant properties.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Meio de t\u00eampera:<\/strong>&nbsp;Isso pode ser obtido usando ar, \u00f3leo ou banho de sal. O a\u00e7o para ferramentas M42 possui alta temperabilidade, alcan\u00e7ando boa dureza em toda a sua se\u00e7\u00e3o transversal.<\/li>\n\n\n\n<li><strong>Taxa de resfriamento:<\/strong>&nbsp;Uma alta taxa de resfriamento \u00e9 importante. Ela influencia as temperaturas inicial (Ms) e final (Mf) da martensita e pode afetar a quantidade de austenita retida.<\/li>\n\n\n\n<li>Dureza ap\u00f3s t\u00eampera: o a\u00e7o para ferramentas M42 normalmente atinge uma dureza ap\u00f3s t\u00eampera de cerca de 65-68 HRC.<br>A martensita n\u00e3o revenida, embora muito dura, tamb\u00e9m \u00e9 altamente tensionada, quebradi\u00e7a e inst\u00e1vel. Portanto, a revenida \u00e9 essencial.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-4-tempering\">3.4 T\u00eampera<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O revenimento, uma etapa cr\u00edtica ap\u00f3s a t\u00eampera, envolve o reaquecimento do a\u00e7o para ferramentas M42 a uma temperatura intermedi\u00e1ria abaixo do seu ponto cr\u00edtico de transforma\u00e7\u00e3o. Isso melhora significativamente a usabilidade e o desempenho por meio de v\u00e1rios mecanismos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Al\u00edvio do estresse:<\/strong>&nbsp;Alivia tens\u00f5es internas causadas pela t\u00eampera, reduzindo a suscetibilidade a rachaduras.<\/li>\n\n\n\n<li><strong>Melhoria da Resist\u00eancia:<\/strong>&nbsp;Aumenta significativamente a tenacidade, tornando o a\u00e7o menos quebradi\u00e7o.<\/li>\n\n\n\n<li><strong>Transforma\u00e7\u00e3o de Austenita Retida:<\/strong>&nbsp;Transforma a austenita retida (que pode reduzir a dureza e a estabilidade dimensional) em martensita nova, revenida em ciclos subsequentes.<\/li>\n\n\n\n<li><strong>Endurecimento secund\u00e1rio:<\/strong>&nbsp;Exposi\u00e7\u00f5es M42&nbsp;<strong>endurecimento secund\u00e1rio<\/strong>. Carbonetos de liga finos e complexos precipitam durante o revenimento, aumentando ainda mais a dureza. O M42 \u00e9 conhecido por sua excelente dureza a quente, atingindo at\u00e9&nbsp;<strong>69 HRC<\/strong>&nbsp;ap\u00f3s o revenimento (tipicamente em torno de&nbsp;<strong>538\u00b0C \/ 1000\u00b0F<\/strong>). Resultados \u00f3timos geralmente envolvem revenimento no lado alto do pico de dureza secund\u00e1ria.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e1rios ciclos de t\u00eampera:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas M42 requer v\u00e1rios ciclos de revenimento (geralmente de dois a quatro) para garantir a transforma\u00e7\u00e3o completa da austenita retida e para revenir nova martensita.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Temperatura:<\/strong>&nbsp;As temperaturas de revenimento comuns para M42 est\u00e3o entre&nbsp;<strong>510\u00b0C (950\u00b0F) e 538\u00b0C (1000\u00b0F)<\/strong>.<\/li>\n\n\n\n<li><strong>Tempo de imers\u00e3o:<\/strong>&nbsp;Cada ciclo de t\u00eampera normalmente envolve imers\u00e3o por&nbsp;<strong>2 a 4 horas<\/strong>&nbsp;na temperatura escolhida.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00eampera de al\u00edvio de tens\u00f5es (p\u00f3s-usinagem):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s retifica\u00e7\u00e3o, soldagem ou usinagem por descarga el\u00e9trica (EDM) significativa no M42 tratado termicamente, um revenimento final para al\u00edvio de tens\u00f5es \u00e9 fortemente recomendado a uma temperatura 14-28 \u00b0C (25-50 \u00b0F) mais baixa do que a \u00faltima temperatura de revenimento.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Temperaturas de t\u00eampera do a\u00e7o para ferramentas M42 e dureza resultante<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Temperatura de t\u00eampera<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Rockwell C<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Como extinto<\/td><td class=\"has-text-align-center\" data-align=\"center\">65<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">900\u00b0F\/480\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">67<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">950\u00b0F\/510\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">68<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1000\u00b0F\/540\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">67<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1050\u00b0F\/565\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">66<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1100\u00b0F\/595\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">62<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1150\u00b0F\/620\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">56<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1200\u00b0F\/650\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-5-summary-of-m42-tool-steel-heat-treatment-parameters\">3.5 Resumo dos par\u00e2metros de tratamento t\u00e9rmico do a\u00e7o para ferramentas M42<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para fornecer uma vis\u00e3o geral r\u00e1pida, os par\u00e2metros t\u00edpicos para tratamento t\u00e9rmico de a\u00e7o ferramenta M42 s\u00e3o resumidos abaixo:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Est\u00e1gio<\/strong><\/td><td><strong>Finalidade<\/strong><\/td><td><strong>Temperatura t\u00edpica para M42<\/strong><\/td><td><strong>Tempo de espera t\u00edpico para M42<\/strong><\/td><td><strong>Considera\u00e7\u00f5es importantes para M42<\/strong><\/td><\/tr><tr><td><strong>Pr\u00e9-aquecimento<\/strong><\/td><td>Minimize o choque t\u00e9rmico e prepare-se para a austenitiza\u00e7\u00e3o<\/td><td>815\u00b0C (1500\u00b0F)<\/td><td>Varia de acordo com o tamanho\/forno<\/td><td>O aquecimento gradual e uniforme \u00e9 crucial.<\/td><\/tr><tr><td><strong>Austenitiza\u00e7\u00e3o (endurecimento)<\/strong><\/td><td>Dissolver carbonetos, formar austenita para endurecimento<\/td><td>1180\u00b0C \u2013 1190\u00b0C (2155\u00b0F \u2013 2175\u00b0F)<\/td><td>2-6 minutos em temperatura ambiente (por exemplo, 4 minutos de molho)<\/td><td>Evite temperatura\/tempo excessivos para impedir o crescimento de gr\u00e3os e garantir a dissolu\u00e7\u00e3o ideal do carboneto.<\/td><\/tr><tr><td><strong>Resfriamento<\/strong><\/td><td>Resfriamento r\u00e1pido para transformar austenita em martensita dura<\/td><td>Resfriar at\u00e9 a temperatura de manuseio<\/td><td>R\u00e1pido<\/td><td>Banho de ar, \u00f3leo ou sal. O M42 apresenta alta temperabilidade. Revenido: ~65-68 HRC.<\/td><\/tr><tr><td><strong>T\u00eampera (M\u00faltipla)<\/strong><\/td><td>Alivia o estresse, aumenta a tenacidade, transforma a austenita retida, endurece secundariamente<\/td><td>510\u00b0C \u2013 538\u00b0C (950\u00b0F \u2013 1000\u00b0F)<\/td><td>2-4 horas por t\u00eampera (recomenda-se 2-4 t\u00eamperas)<\/td><td>Essencial para atingir propriedades finais (at\u00e9 69 HRC), dureza a quente e estabilidade da ferramenta.<\/td><\/tr><tr><td><strong>Al\u00edvio do estresse<\/strong>&nbsp;(Se necess\u00e1rio p\u00f3s-usinagem)<\/td><td>Aliviar tens\u00f5es de retifica\u00e7\u00e3o, soldagem ou eletroeros\u00e3o<\/td><td>14-28\u00b0C (25-50\u00b0F) abaixo da \u00faltima temperatura de t\u00eampera<\/td><td>~1-2 horas<\/td><td>Garante a integridade da ferramenta ap\u00f3s opera\u00e7\u00f5es significativas de p\u00f3s-tratamento t\u00e9rmico.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-applications\">4. Aplica\u00e7\u00f5es<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-1-primary-nbsp-applications-of-m42-tool-steel\">4.1 Principais aplica\u00e7\u00f5es do a\u00e7o ferramenta M42<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As resist\u00eancias inerentes do a\u00e7o para ferramentas M42 o tornam um material preferencial para diversas ferramentas de corte projetadas para precis\u00e3o e durabilidade. F\u00e1bricas e oficinas mec\u00e2nicas frequentemente especificam o M42 para:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Exerc\u00edcios:<\/strong>&nbsp;Para criar furos precisos, especialmente em materiais mais duros, onde outros a\u00e7os podem falhar prematuramente.<\/li>\n\n\n\n<li><strong>Fresas de topo:<\/strong>&nbsp;Ideal para opera\u00e7\u00f5es de fresamento que exigem arestas de corte afiadas e dur\u00e1veis que possam suportar altas for\u00e7as de corte.<\/li>\n\n\n\n<li><strong>Alargadores:<\/strong>&nbsp;Usado para ampliar furos existentes para di\u00e2metros precisos, beneficiando-se da capacidade do M42 de manter toler\u00e2ncias rigorosas.<\/li>\n\n\n\n<li><strong>Torneiras:<\/strong>&nbsp;Para cortar roscas internas, onde a resist\u00eancia ao desgaste \u00e9 crucial para uma qualidade consistente da rosca.<\/li>\n\n\n\n<li><strong>Fresas:<\/strong>&nbsp;Incluindo v\u00e1rios tipos de fresas usadas em fresadoras para modelagem e remo\u00e7\u00e3o de material.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-2-materials-suited-for-machining-with-m42-tool-steel\">4.2 Materiais adequados para usinagem com a\u00e7o ferramenta M42<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o para ferramentas M42 demonstra excelente desempenho na usinagem de uma ampla gama de materiais, especialmente aqueles que representam desafios para a\u00e7os para ferramentas padr\u00e3o. Seu alto teor de cobalto contribui significativamente para sua efic\u00e1cia nos seguintes cen\u00e1rios:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Categoria de material<\/strong><\/td><td><strong>Exemplos e caracter\u00edsticas espec\u00edficas<\/strong><\/td><td><strong>Por que o M42 se destaca<\/strong><\/td><\/tr><tr><td><strong>Materiais de alta dureza<\/strong><\/td><td>Materiais com n\u00edveis de dureza superiores a 35-50 HRC.<\/td><td>Mant\u00e9m o fio de corte e a dureza sob alto estresse.<\/td><\/tr><tr><td><strong>Ligas dif\u00edceis de usinar<\/strong><\/td><td>Ligas aeroespaciais (por exemplo, superligas), a\u00e7os de alta resist\u00eancia tratados termicamente.<\/td><td>Dureza superior a quente e resist\u00eancia ao desgaste combatem materiais abrasivos e resistentes.<\/td><\/tr><tr><td><strong>A\u00e7os inoxid\u00e1veis<\/strong><\/td><td>V\u00e1rios tipos de a\u00e7o inoxid\u00e1vel.<\/td><td>Resiste ao desgaste e mant\u00e9m a nitidez ao cortar materiais pegajosos ou endurec\u00edveis por trabalho.<\/td><\/tr><tr><td><strong>Metais n\u00e3o ferrosos<\/strong><\/td><td>Alum\u00ednio, Lat\u00e3o.<\/td><td>Proporciona cortes limpos e maior vida \u00fatil da ferramenta devido \u00e0 alta resist\u00eancia ao desgaste.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-equivalent-grades\">5. Notas equivalentes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIN 17350:<\/strong>&nbsp;1.3247 \/ HS 2-9-1-8<\/li>\n\n\n\n<li><strong>JIS G4403:<\/strong>&nbsp;SKH59<\/li>\n\n\n\n<li><strong>GB\/T 1299:<\/strong>&nbsp;W2Mo9Cr4VCo8<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-ast-global-color-8-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading has-text-align-center\">Interessado em a\u00e7o para ferramentas M42 de alto desempenho?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Experimente a resist\u00eancia superior ao desgaste e a dureza a quente do a\u00e7o r\u00e1pido M42. Ideal para aplica\u00e7\u00f5es de corte exigentes, o M42 oferece desempenho excepcional e vida \u00fatil prolongada da ferramenta. Deixe que nossos especialistas ajudem voc\u00ea a encontrar a solu\u00e7\u00e3o perfeita em M42 para suas necessidades.<\/p>\n\n\n\n<p class=\"has-text-align-center has-ast-global-color-0-color has-text-color has-link-color wp-elements-e84819d574e7dbfa0a38ed5fd1605fa0 wp-block-paragraph\"><strong>Preencha o formul\u00e1rio abaixo para obter um or\u00e7amento personalizado ou uma consulta especializada!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-leadin-hubspot-form-block\">\n\t\t\t\t\t\t<script>\n\t\t\t\t\t\t\twindow.hsFormsOnReady = window.hsFormsOnReady || [];\n\t\t\t\t\t\t\twindow.hsFormsOnReady.push(()=>{\n\t\t\t\t\t\t\t\thbspt.forms.create({\n\t\t\t\t\t\t\t\t\tportalId: 242461771,\n\t\t\t\t\t\t\t\t\tformId: \"1f7a4dcb-eb56-45e5-bd4f-5921cbf714c1\",\n\t\t\t\t\t\t\t\t\ttarget: \"#hbspt-form-1779915204000-1677316317\",\n\t\t\t\t\t\t\t\t\tregion: \"na2\",\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t})});\n\t\t\t\t\t\t<\/script>\n\t\t\t\t\t\t<div class=\"hbspt-form\" id=\"hbspt-form-1779915204000-1677316317\"><\/div><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>M42 tool steel is classified as a molybdenum-based high-speed tool steel within the M series. It\u2019s a complex iron-based alloy known for its high-carbon content and the addition of various alloying elements. These alloying elements are critical because they form carbides that contribute significantly to the steel\u2019s properties, such as wear resistance and resistance to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4845,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"landing-page","_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":"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-9334","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>M42 tool steel | 1.3247 | SKH59 - AoboSteel<\/title>\n<meta name=\"description\" content=\"M42 tool steel is classified as a molybdenum high-speed tool steel, often considered an ultrahard or super-high-speed steel.\" \/>\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\/m42-tool-steel\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M42 tool steel | 1.3247 | SKH59\" \/>\n<meta property=\"og:description\" content=\"M42 tool steel is classified as a molybdenum high-speed tool steel, often considered an ultrahard or super-high-speed steel.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/pt\/m42-tool-steel\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-25T16:12:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"M42 tool steel | 1.3247 | SKH59\",\"datePublished\":\"2025-08-02T02:11:30+00:00\",\"dateModified\":\"2026-04-25T16:12:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/\"},\"wordCount\":1625,\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/M42-high-speed-steel.avif\",\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/\",\"name\":\"M42 tool steel | 1.3247 | SKH59 - AoboSteel\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/M42-high-speed-steel.avif\",\"datePublished\":\"2025-08-02T02:11:30+00:00\",\"dateModified\":\"2026-04-25T16:12:20+00:00\",\"description\":\"M42 tool steel is classified as a molybdenum high-speed tool steel, often considered an ultrahard or super-high-speed steel.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/#primaryimage\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/M42-high-speed-steel.avif\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/M42-high-speed-steel.avif\",\"width\":1000,\"height\":1000,\"caption\":\"M42 high speed steel\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/m42-tool-steel\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/aobosteel.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"M42 tool steel | 1.3247 | SKH59\"}]},{\"@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\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"A\u00e7o ferramenta M42 | 1.3247 | SKH59 - AoboSteel","description":"O a\u00e7o para ferramentas M42 \u00e9 classificado como um a\u00e7o para ferramentas de molibd\u00eanio de alta velocidade, frequentemente considerado um a\u00e7o ultraduro ou super-r\u00e1pido.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/aobosteel.com\/pt\/m42-tool-steel\/","og_locale":"pt_BR","og_type":"article","og_title":"M42 tool steel | 1.3247 | SKH59","og_description":"M42 tool steel is classified as a molybdenum high-speed tool steel, often considered an ultrahard or super-high-speed steel.","og_url":"https:\/\/aobosteel.com\/pt\/m42-tool-steel\/","og_site_name":"AoboSteel","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61565368220197","article_modified_time":"2026-04-25T16:12:20+00:00","og_image":[{"width":1000,"height":1000,"url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. tempo de leitura":"8 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/aobosteel.com\/m42-tool-steel\/#article","isPartOf":{"@id":"https:\/\/aobosteel.com\/m42-tool-steel\/"},"author":{"name":"Evan","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7"},"headline":"M42 tool steel | 1.3247 | SKH59","datePublished":"2025-08-02T02:11:30+00:00","dateModified":"2026-04-25T16:12:20+00:00","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/m42-tool-steel\/"},"wordCount":1625,"publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"image":{"@id":"https:\/\/aobosteel.com\/m42-tool-steel\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif","inLanguage":"pt-BR"},{"@type":"WebPage","@id":"https:\/\/aobosteel.com\/m42-tool-steel\/","url":"https:\/\/aobosteel.com\/m42-tool-steel\/","name":"A\u00e7o ferramenta M42 | 1.3247 | SKH59 - AoboSteel","isPartOf":{"@id":"https:\/\/aobosteel.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/aobosteel.com\/m42-tool-steel\/#primaryimage"},"image":{"@id":"https:\/\/aobosteel.com\/m42-tool-steel\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif","datePublished":"2025-08-02T02:11:30+00:00","dateModified":"2026-04-25T16:12:20+00:00","description":"O a\u00e7o para ferramentas M42 \u00e9 classificado como um a\u00e7o para ferramentas de molibd\u00eanio de alta velocidade, frequentemente considerado um a\u00e7o ultraduro ou super-r\u00e1pido.","breadcrumb":{"@id":"https:\/\/aobosteel.com\/m42-tool-steel\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/aobosteel.com\/m42-tool-steel\/"]}]},{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/aobosteel.com\/m42-tool-steel\/#primaryimage","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif","width":1000,"height":1000,"caption":"M42 high speed steel"},{"@type":"BreadcrumbList","@id":"https:\/\/aobosteel.com\/m42-tool-steel\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/aobosteel.com\/"},{"@type":"ListItem","position":2,"name":"M42 tool steel | 1.3247 | SKH59"}]},{"@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\/"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-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":"M42 tool steel is classified as a molybdenum-based high-speed tool steel within the M series. It\u2019s a complex iron-based alloy known for its high-carbon content and the addition of various alloying elements. These alloying elements are critical because they form carbides that contribute significantly to the steel\u2019s properties, such as wear resistance and resistance to&hellip;","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel.avif",1000,1000,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/M42-high-speed-steel-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":"M42 tool steel is classified as a molybdenum-based high-speed tool steel within the M series. It\u2019s a complex iron-based alloy known for its high-carbon content and the addition of various alloying elements. These alloying elements are critical because they form carbides that contribute significantly to the steel\u2019s properties, such as wear resistance and resistance to&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/9334","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=9334"}],"version-history":[{"count":0,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/9334\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media\/4845"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media?parent=9334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}