{"id":9340,"date":"2025-08-02T11:32:18","date_gmt":"2025-08-02T03:32:18","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9340"},"modified":"2026-04-26T00:11:23","modified_gmt":"2026-04-25T16:11:23","slug":"m35-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/m35-tool-steel\/","title":{"rendered":"A\u00e7o para ferramentas M35 | 1.3243 | SKH55"},"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 M35<\/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 M35 | 1.3243 | A\u00e7o r\u00e1pido com cobalto SKH55 (HSS-Co)<\/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 M35<\/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 M35 \u00e9 um a\u00e7o r\u00e1pido de molibd\u00eanio com cobalto. Sua composi\u00e7\u00e3o, especificamente a adi\u00e7\u00e3o de cobalto, resulta em maior dureza de revenimento, resist\u00eancia ao desgaste e dureza a quente em compara\u00e7\u00e3o com&nbsp;<em><a href=\"https:\/\/aobosteel.com\/pt\/m2-tool-steel\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">A\u00e7o para ferramentas M2<\/mark><\/a><\/em>, permitindo maiores velocidades de corte.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-eael-table-of-content\">1. Composi\u00e7\u00e3o qu\u00edmica<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o M35 que fornecemos atende plenamente aos requisitos da norma. Devido ao seu teor de cobalto, o a\u00e7o M35 possui algumas propriedades especiais em compara\u00e7\u00e3o com outros a\u00e7os para ferramentas comuns. Sua tabela de composi\u00e7\u00e3o \u00e9 a seguinte:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Elemento<\/td><td>Carbono<\/td><td>Cromo<\/td><td>Molibd\u00eanio<\/td><td>Tungst\u00eanio<\/td><td>Van\u00e1dio<\/td><td>Cobalto<\/td><td>Mangan\u00eas<\/td><td>Sil\u00edcio<\/td><\/tr><tr><td>Composi\u00e7\u00e3o (%)<\/td><td>0,80\u20130,90<\/td><td>3,75\u20134,50<\/td><td>4,50\u20135,50<\/td><td>5,50\u20136,75<\/td><td>1,75\u20132,20<\/td><td>4,50\u20135,50<\/td><td>0,20\u20130,45<\/td><td>0,20\u20130,45<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-eael-table-of-content\">2. Propriedades do a\u00e7o para ferramentas M35<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A mistura espec\u00edfica de elementos no a\u00e7o para ferramentas M35 se traduz em um conjunto de caracter\u00edsticas de desempenho altamente valorizadas em diversas aplica\u00e7\u00f5es de ferramentas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-eael-table-of-content\">2.1 Dureza e t\u00eampera aprimoradas<em>&nbsp;<\/em>Resposta<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Um aspecto crucial das propriedades do a\u00e7o ferramenta M35 \u00e9 sua dureza superior. O teor de cobalto 5% \u00e9 fundamental nesse aspecto, n\u00e3o apenas aumentando a dureza alcan\u00e7\u00e1vel em compara\u00e7\u00e3o com os a\u00e7os M2 padr\u00e3o, mas tamb\u00e9m intensificando significativamente a resposta do a\u00e7o durante o processo de revenido.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-eael-table-of-content\">2.2 Resist\u00eancia excepcional ao desgaste<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A vida \u00fatil e a efici\u00eancia das ferramentas est\u00e3o diretamente ligadas \u00e0 resist\u00eancia ao desgaste. O a\u00e7o para ferramentas M35 demonstra um desempenho excepcional nesse aspecto. A maior dureza, resultado direto da sua liga de cobalto e da estrutura otimizada de carboneto, proporciona uma resist\u00eancia robusta ao desgaste abrasivo. Isso significa que as ferramentas M35 duram mais, reduzindo o tempo de inatividade e os custos de reposi\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-eael-table-of-content\">2.3 Dureza Superior a Quente (Dureza Vermelha)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uma das propriedades mais significativas do a\u00e7o para ferramentas M35 \u00e9 sua excelente dureza a quente, frequentemente chamada de dureza vermelha. Este \u00e9 um benef\u00edcio direto da adi\u00e7\u00e3o de cobalto. Essa caracter\u00edstica \u00e9 vital para aplica\u00e7\u00f5es que envolvem altas velocidades de corte e avan\u00e7os, onde as ferramentas s\u00e3o submetidas a uma gera\u00e7\u00e3o consider\u00e1vel de calor. O M35 mant\u00e9m sua resist\u00eancia e dureza nessas temperaturas elevadas, permitindo que as opera\u00e7\u00f5es de usinagem sejam executadas em velocidades e avan\u00e7os mais altos, aumentando assim a produtividade sem comprometer prematuramente a integridade da ferramenta.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"6-eael-table-of-content\">2.4 Equilibrando a Resist\u00eancia<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Embora o a\u00e7o para ferramentas M35 seja projetado para alta dureza e resist\u00eancia ao desgaste, ele tamb\u00e9m oferece um n\u00edvel louv\u00e1vel de tenacidade. Isso \u00e9 particularmente not\u00e1vel quando comparado a outros a\u00e7os r\u00e1pidos altamente resistentes ao desgaste. Essa tenacidade permite que as ferramentas M35 suportem um certo grau de estresse mec\u00e2nico e impacto durante a opera\u00e7\u00e3o. Enquanto para aplica\u00e7\u00f5es que exigem extrema resist\u00eancia ao choque, outras classes podem ser consideradas, o M35 oferece um perfil bem arredondado adequado para uma ampla gama de ferramentas de corte e conforma\u00e7\u00e3o que exigem um equil\u00edbrio entre resist\u00eancia ao desgaste e tenacidade. \u00c9 geralmente considerado mais tenaz que o T15, embora sua resist\u00eancia ao choque seja ligeiramente menor que a do M42.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7-eael-table-of-content\">2.5 Moabilidade favor\u00e1vel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A facilidade de fabrica\u00e7\u00e3o de ferramentas e a manuten\u00e7\u00e3o subsequente, como a reafia\u00e7\u00e3o, s\u00e3o considera\u00e7\u00f5es pr\u00e1ticas importantes. A afiabilidade do a\u00e7o para ferramentas M35 \u00e9 bastante boa, geralmente semelhante \u00e0 do a\u00e7o r\u00e1pido M2. A distribui\u00e7\u00e3o de carbonetos n\u00e3o dissolvidos no M35 \u00e9 tal que o van\u00e1dio adicionado n\u00e3o afeta negativamente sua afiabilidade como poderia ocorrer em outros a\u00e7os com alto teor de van\u00e1dio, como o M3. Isso facilita e torna os processos de afia\u00e7\u00e3o e conforma\u00e7\u00e3o de ferramentas mais eficientes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"8-eael-table-of-content\">2.6 Propriedades F\u00edsicas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Densidade:<\/strong>&nbsp;Aproximadamente 8,3-8,5 g\/cm\u00b3<\/li>\n\n\n\n<li><strong>Ponto de fus\u00e3o:<\/strong>&nbsp;Aproximadamente 1420-1450\u00b0C<\/li>\n\n\n\n<li><strong>Condutividade t\u00e9rmica:<\/strong>&nbsp;Aproximadamente 20-25 W\/(m\u00b7K)<\/li>\n\n\n\n<li><strong>Coeficiente de expans\u00e3o t\u00e9rmica:<\/strong>&nbsp;Aproximadamente 11-13\u00d710\u207b\u2076\/\u00b0C<\/li>\n\n\n\n<li><strong>M\u00f3dulo de elasticidade:<\/strong>&nbsp;Aproximadamente 210-220 GPa<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"9-eael-table-of-content\">2.7 Propriedades Mec\u00e2nicas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dureza do material M35 ap\u00f3s\u00a0<\/strong>tratamento t\u00e9rmico<strong>:<\/strong>\u00a0HRC 65-67 (t\u00eampera + revenimento m\u00faltiplo).<\/li>\n\n\n\n<li><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"><strong>Dureza em alta temperatura:<\/strong>&nbsp;A 600\u00b0C, ele ainda mant\u00e9m HRC 54-58 (o cobalto melhora a dureza vermelha).<\/span><\/li>\n\n\n\n<li><strong>Resist\u00eancia \u00e0 trac\u00e7\u00e3o:<\/strong>&nbsp;Aproximadamente 2000-2500 MPa<\/li>\n\n\n\n<li><strong>Robustez:<\/strong>&nbsp;A tenacidade ao impacto \u00e9 baixa (aproximadamente 4-8 J\/cm\u00b2),<\/li>\n\n\n\n<li><strong>Resist\u00eancia ao desgaste:<\/strong>&nbsp;Excelente, especialmente para corte de alta velocidade e processamento de materiais de alta dureza (como a\u00e7o inoxid\u00e1vel e ligas de tit\u00e2nio).<\/li>\n\n\n\n<li><strong>Resist\u00eancia \u00e0 compress\u00e3o:<\/strong>&nbsp;Aproximadamente 3000-3500 MPa<\/li>\n<\/ul>\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 size-full is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/06\/M35-tool-steel.webp\" alt=\"A\u00e7o para ferramentas M35\" class=\"wp-image-7959\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/06\/M35-tool-steel.webp 500w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/06\/M35-tool-steel-300x300.webp 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/06\/M35-tool-steel-150x150.webp 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/06\/M35-tool-steel-12x12.webp 12w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption class=\"wp-element-caption\">A\u00e7o para ferramentas M35<\/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=\"has-ast-global-color-0-color has-text-color has-link-color wp-elements-7180859b4300b9d8a2ab69a71664e588 wp-block-paragraph\"><strong>Procurando a\u00e7o r\u00e1pido M35? Preencha o formul\u00e1rio abaixo para entrar em contato conosco agora mesmo!<\/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-1779915205000-3585475439\",\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-1779915205000-3585475439\"><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"10-eael-table-of-content\">3. Guia de tratamento t\u00e9rmico de a\u00e7o para ferramentas M35<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O tratamento t\u00e9rmico adequado \u00e9 fundamental para atingir as propriedades desejadas no a\u00e7o para ferramentas M35. O objetivo principal desse processo \u00e9 transformar a estrutura recozida do a\u00e7o M35 (principalmente ferrita e carbonetos de liga) em uma estrutura martens\u00edtica temperada e revenida, contendo os carbonetos necess\u00e1rios para o desempenho ideal da ferramenta de corte. Isso normalmente envolve quatro etapas principais: pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o, t\u00eampera e revenimento.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"11-eael-table-of-content\">3.1 Pr\u00e9-aquecimento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O pr\u00e9-aquecimento \u00e9 uma etapa necess\u00e1ria para a\u00e7os-ferramenta de alta liga, como o M35. Ele serve para minimizar o choque t\u00e9rmico e equalizar a temperatura em toda a pe\u00e7a antes da aplica\u00e7\u00e3o de temperaturas de austenitiza\u00e7\u00e3o mais altas.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Temperatura de pr\u00e9-aquecimento recomendada:<\/strong>&nbsp;Para a\u00e7o ferramenta M35, a temperatura de pr\u00e9-aquecimento recomendada \u00e9&nbsp;<strong>815\u00b0C (1500\u00b0F)<\/strong>.<\/li>\n\n\n\n<li><strong>Considera\u00e7\u00f5es:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Para ferramentas maiores ou complexas, um processo de pr\u00e9-aquecimento em v\u00e1rios est\u00e1gios geralmente \u00e9 ben\u00e9fico.<\/li>\n\n\n\n<li>Se voc\u00ea colocar a pe\u00e7a M35 em um forno j\u00e1 na temperatura de pr\u00e9-aquecimento, \u00e9 uma boa pr\u00e1tica primeiro colocar a pe\u00e7a em cima do forno para remover qualquer frio, reduzindo ainda mais o risco de choque t\u00e9rmico e rachaduras.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"12-eael-table-of-content\">3.2 Austenitiza\u00e7\u00e3o (endurecimento)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Durante a austenitiza\u00e7\u00e3o, o a\u00e7o M35 \u00e9 aquecido a uma temperatura elevada para dissolver carbonetos de liga complexos no\u00a0<em>austenita<\/em>\u00a0fase, essencial para o desenvolvimento de suas propriedades finais. A\u00e7os r\u00e1pidos para ferramentas s\u00e3o normalmente aquecidos a temperaturas que variam de 1150 \u00b0C a 1290 \u00b0C (2100 \u00b0F a 2350 \u00b0F), dependendo do grau espec\u00edfico.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Temperatura de austenitiza\u00e7\u00e3o recomendada para M35:<\/strong>&nbsp;<strong>1190\u00b0C (2175\u00b0F)<\/strong>.<\/li>\n\n\n\n<li><strong>Tempo de espera:<\/strong>&nbsp;O tempo de reten\u00e7\u00e3o nesta alta temperatura \u00e9 geralmente curto, em torno de&nbsp;<strong>2 a 6 minutos<\/strong>, dependendo da configura\u00e7\u00e3o e do tamanho da ferramenta. Por exemplo, uma se\u00e7\u00e3o transversal de 15 cm de espessura pode ser mantida por cerca de 5 a 6 minutos.<\/li>\n\n\n\n<li><strong>Ambiente do forno:<\/strong>&nbsp;Para a austenitiza\u00e7\u00e3o do M35, costuma-se preferir o uso de banho de sal ou forno de atmosfera controlada para evitar a degrada\u00e7\u00e3o da superf\u00edcie, como oxida\u00e7\u00e3o ou descarboneta\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"13-eael-table-of-content\">3.3 T\u00eampera<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s a austenitiza\u00e7\u00e3o, o a\u00e7o M35 \u00e9 rapidamente resfriado (temperado) para transformar a austenita em martensita.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Meios de t\u00eampera recomendados para M35:<\/strong>\u00a0Oil or salt bath.<\/li>\n\n\n\n<li><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"><strong>T\u00eampera em banho de sal:<\/strong>\u00a0Typically, the salt bath is maintained at <strong>540\u00b0C to 650<\/strong>\u00b0C (1000\u00b0F to<strong> 1200\u00b0F)<\/strong>.<\/span> Em seguida, a pe\u00e7a \u00e9 resfriada a ar. A t\u00eampera em banho de sal ajuda a minimizar a distor\u00e7\u00e3o e a tens\u00e3o residual devido \u00e0 uniformidade da temperatura.<\/li>\n\n\n\n<li><strong>T\u00eampera em \u00f3leo:<\/strong>\u00a0Direct oil quenching is not always used; sometimes the steel is first cooled to an intermediate temperature (e.g., approximately 1000\u00b0C) before oil quenching to help prevent quench cracks.<\/li>\n\n\n\n<li><strong>Taxa de resfriamento:<\/strong>&nbsp;O resfriamento deve ser r\u00e1pido o suficiente atrav\u00e9s da faixa de temperatura cr\u00edtica para garantir a transforma\u00e7\u00e3o desejada em uma estrutura martens\u00edtica.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"14-eael-table-of-content\">3.4 T\u00eampera<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O revenido \u00e9 uma etapa final crucial. A estrutura do a\u00e7o M35 temperado (martensita e austenita retida) \u00e9 altamente tensionada e fr\u00e1gil. O revenido aumenta a tenacidade do a\u00e7o, alivia as tens\u00f5es internas e promove o endurecimento secund\u00e1rio por meio da precipita\u00e7\u00e3o de carbonetos de liga. Para a\u00e7os r\u00e1pidos, o revenido tamb\u00e9m transforma a austenita retida em martensita fresca, que ent\u00e3o requer revenido adicional.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o M35, que cont\u00e9m cobalto, geralmente apresenta uma faixa de dureza de trabalho mais elevada (65-67 HRC) e exibe maior dureza ap\u00f3s revenido e dureza a quente em compara\u00e7\u00e3o com o M2. O revenido para a\u00e7os r\u00e1pidos \u00e9 normalmente realizado em temperaturas que variam de 530\u00b0C a 570\u00b0C (980\u00b0F a 1060\u00b0F).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ciclos de t\u00eampera para M35:<\/strong>&nbsp;Requer&nbsp;<strong>v\u00e1rios ciclos de t\u00eampera, normalmente de 2 a 4 vezes<\/strong>, para garantir a transforma\u00e7\u00e3o adequada da austenita retida e o revenimento da martensita rec\u00e9m-formada.<\/li>\n\n\n\n<li><strong>Tempo de imers\u00e3o:<\/strong>&nbsp;Cada ciclo envolve aquecer at\u00e9 a temperatura desejada e deixar de molho por 2 a 4 horas.<strong>, ou 2 horas por polegada de se\u00e7\u00e3o transversal<\/strong>.<\/li>\n\n\n\n<li><strong>Resfriamento ap\u00f3s t\u00eampera:<\/strong>&nbsp;Geralmente feito no ar.<\/li>\n\n\n\n<li><strong>Tempo:<\/strong>&nbsp;Tempere o a\u00e7o o mais r\u00e1pido poss\u00edvel ap\u00f3s ele ter esfriado ap\u00f3s a t\u00eampera (idealmente antes de atingir a temperatura ambiente, por exemplo, entre&nbsp;<strong>52\u00b0C e 65\u00b0C ou 125\u00b0F e 150\u00b0F<\/strong>) para evitar rachaduras.<\/li>\n\n\n\n<li><strong>Resfriamento a partir da temperatura de t\u00eampera:<\/strong>&nbsp;Recomenda-se o resfriamento lento para minimizar tens\u00f5es residuais.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">Temperaturas de revenimento do a\u00e7o para ferramentas M35 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\">64<\/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\">65<\/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\">65<\/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\">64<\/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\">58<\/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\">52<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Condi\u00e7\u00f5es experimentais: 1. TEMPERATURA DE PR\u00c9-AQUECIMENTO 1500\u00b0F\/815\u00b0C 2. TEMPERATURA DE ENDURECIMENTO 2250\u00b0F\/1230\u00b0C 3. T\u00caMPERA EM \u00d3LEO OU SAL 4. QU\u00cdMICA Carbono: 1,00% Mangan\u00eas: 0,80% Sil\u00edcio: 0,30% Cromo: 4,15% Molibd\u00eanio: 5,00% Van\u00e1dio: 2,00% Tungst\u00eanio: 6,00% Cobalto: 5,00% Enxofre: 0,27%<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"15-eael-table-of-content\">3.6 Opcional: Tratamento Subzero para A\u00e7o M35<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Um tratamento t\u00e9rmico subzero pode ser realizado ap\u00f3s o resfriamento brusco, especialmente em a\u00e7os de alto carbono e alta liga, como o M35, para transformar ainda mais a austenita retida em martensita. Isso pode aumentar a dureza, a resist\u00eancia ao desgaste e a estabilidade dimensional.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Procedimento:<\/strong>&nbsp;Envolve o resfriamento a temperaturas que variam de <strong>-30\u00b0C a -120\u00b0C<\/strong>.<\/li>\n\n\n\n<li><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"><strong>Seguir:<\/strong>&nbsp;Se for utilizado um tratamento abaixo de zero,&nbsp;<strong>deve ser seguido imediatamente&nbsp;<\/strong><\/span><strong>por temperagem<\/strong>&nbsp;para aliviar as tens\u00f5es introduzidas pela transforma\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"16-eael-table-of-content\">4. Aplica\u00e7\u00e3o<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Foco na aplica\u00e7\u00e3o do a\u00e7o para ferramentas M35<\/strong><\/td><td><strong>Detalhes de fontes t\u00e9cnicas<\/strong><\/td><\/tr><tr><td><strong>Ferramentas especializadas e maiores<\/strong><\/td><td>Adequado para ferramentas especiais e particularmente recomendado para ferramentas de di\u00e2metro maior, especialmente aquelas superiores a 20 mm.<\/td><\/tr><tr><td><strong>Opera\u00e7\u00f5es de Brochamento<\/strong><\/td><td>O a\u00e7o M35 foi usado para&nbsp;<strong>ferramentas de brochamento<\/strong>, por exemplo, na produ\u00e7\u00e3o de pistas de esferas em cubos articulados.<\/td><\/tr><tr><td><strong>Engrenagem Hobbing<\/strong><\/td><td>Utilizado para fabrica\u00e7\u00e3o&nbsp;<strong>fresas de engrenagem<\/strong>. Em testes comparativos, como fresagem de engrenagens do eixo traseiro, fresas M35 fizeram parte dos materiais avaliados.<\/td><\/tr><tr><td><strong>Ferramentas para trabalho a frio<\/strong><\/td><td>Sob certas condi\u00e7\u00f5es de servi\u00e7o, o M35 pode ser aplicado em&nbsp;<strong>aplica\u00e7\u00f5es de trabalho a frio<\/strong>.<\/td><\/tr><tr><td><strong>Necessidades de alta dureza<\/strong><\/td><td>Seu teor de cobalto proporciona maior dureza de t\u00eampera e&nbsp;<strong>dureza quente<\/strong>&nbsp;comparado ao M2, tornando-o adequado para velocidades de corte mais altas e melhor&nbsp;<strong>resist\u00eancia ao desgaste<\/strong>.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Em rela\u00e7\u00e3o \u00e0 sua trabalhabilidade, a moabilidade de&nbsp;<strong>A\u00e7o para ferramentas M35<\/strong>&nbsp;\u00c9 relatado que \u00e9 semelhante ao do M2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"17-eael-table-of-content\">5. Notas equivalentes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>EUA (AISI\/ASTM):<\/strong>&nbsp;M35<\/li>\n\n\n\n<li><strong>Alemanha (DIN EN ISO 4957):<\/strong>&nbsp;1.3243 \/ HS6-5-2-5<\/li>\n\n\n\n<li><strong>Jap\u00e3o (JIS G 4403):<\/strong>&nbsp;SKH55<\/li>\n\n\n\n<li><strong>China (GB\/T 9943):<\/strong>&nbsp;W6Mo5Cr4V2Co5<\/li>\n\n\n\n<li><strong>ISO 4957:<\/strong>&nbsp;HS6-5-2-5<\/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 de alta velocidade M35?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Experimente o desempenho e a durabilidade superiores do a\u00e7o M35 (1.3243 \/ HS6-5-2-5) para suas aplica\u00e7\u00f5es mais exigentes. Nosso a\u00e7o ferramenta M35 oferece excelente dureza a quente, resist\u00eancia ao desgaste e tenacidade, tornando-o ideal para ferramentas de corte, pun\u00e7\u00f5es e matrizes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deixe que nossos especialistas ajudem voc\u00ea a encontrar a solu\u00e7\u00e3o ideal em a\u00e7o M35 para suas necessidades. Preencha o formul\u00e1rio abaixo para receber um or\u00e7amento personalizado ou agendar uma consulta com um especialista.<\/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-1779915205000-5133289648\",\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-1779915205000-5133289648\"><\/div><\/div>\n<\/div>\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-1779915205000-4154455004\",\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-1779915205000-4154455004\"><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>M35 tool steel is a Cobalt-bearing molybdenum high-speed steel. Its composition, specifically the Cobalt addition, leads to higher temper hardness,&nbsp;wear&nbsp;resistance, and hot hardness compared to&nbsp;M2 tool steel, enabling higher cutting speeds. 1. Chemical composition The M35 steel we provide fully meets the standard requirements. Due to its cobalt content, M35 steel has some special properties [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7959,"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-9340","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>M35 Tool Steel | 1.3243 | SKH55 - AoboSteel<\/title>\n<meta name=\"description\" content=\"M35 tool steel is a Cobalt-bearing molybdenum high-speed steel. 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