{"id":9340,"date":"2025-08-02T11:32:18","date_gmt":"2025-08-02T03:32:18","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9340"},"modified":"2026-06-26T09:43:52","modified_gmt":"2026-06-26T01:43:52","slug":"m35-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/m35-tool-steel\/","title":{"rendered":"A\u00e7o ferramenta M35 | 1.3243 | Fornecedor 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 popmake-16052\"><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 ferramenta M35 \u00e9 um a\u00e7o r\u00e1pido com molibd\u00eanio e cobalto. Sua composi\u00e7\u00e3o, especificamente a adi\u00e7\u00e3o de cobalto, resulta em maior dureza ap\u00f3s revenido, maior resist\u00eancia ao desgaste e maior dureza a quente em compara\u00e7\u00e3o com o a\u00e7o ferramenta M2, permitindo velocidades de corte mais elevadas.<\/p>\n\n\n\n<h2 id=\"1-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"2-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"3-eael-table-of-content\" class=\"wp-block-heading\">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.&nbsp;<\/p>\n\n\n\n<h3 id=\"4-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"5-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"6-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"7-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"8-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"9-eael-table-of-content\" class=\"wp-block-heading\">2.7 Propriedades Mec\u00e2nicas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dureza do material M35 ap\u00f3s&nbsp;<\/strong>tratamento t\u00e9rmico<strong>:<\/strong>&nbsp;HRC 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-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16042-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"16042\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/pt\/wp-json\/wp\/v2\/pages\/9340#wpcf7-f16042-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Formul\u00e1rio de contato\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/pages\/9340#wpcf7-f16042-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16042\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16042-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Seu nome *\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"E-mail *\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Mensagem *\" name=\"your-message\"><\/textarea><\/span>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Enviar consulta\" \/>\n<\/p><p style=\"display: none !important;\" class=\"akismet-fields-container\" data-prefix=\"_wpcf7_ak_\"><label>\u0394<textarea name=\"_wpcf7_ak_hp_textarea\" cols=\"45\" rows=\"8\" maxlength=\"100\"><\/textarea><\/label><input type=\"hidden\" id=\"ak_js_1\" name=\"_wpcf7_ak_js\" value=\"178\"\/><script>\ndocument.getElementById( \"ak_js_1\" ).setAttribute( \"value\", ( new Date() ).getTime() );\n<\/script>\n<\/p><input type='hidden' class='wpcf7-pum' value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":true,\"openpopup_id\":16052}' \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"pt\"\/><\/form>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 id=\"10-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"11-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"12-eael-table-of-content\" class=\"wp-block-heading\">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&nbsp;<em>austenita<\/em>&nbsp;fase, 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 id=\"13-eael-table-of-content\" class=\"wp-block-heading\">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>&nbsp;Banho de \u00f3leo ou sal.<\/li>\n\n\n\n<li><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"><strong>T\u00eampera em banho de sal:<\/strong>&nbsp;Normalmente, o banho de sal \u00e9 mantido em <strong>540\u00b0C a 650<\/strong>\u00b0C (1000\u00b0F a<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>&nbsp;O resfriamento direto em \u00f3leo nem sempre \u00e9 utilizado; \u00e0s vezes, o a\u00e7o \u00e9 primeiro resfriado a uma temperatura intermedi\u00e1ria (por exemplo, aproximadamente 1000\u00b0C) antes do resfriamento em \u00f3leo para ajudar a prevenir trincas de t\u00eampera.<\/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 id=\"14-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"15-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"16-eael-table-of-content\" class=\"wp-block-heading\">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 id=\"17-eael-table-of-content\" class=\"wp-block-heading\">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-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">Abrir formul\u00e1rio de solicita\u00e7\u00e3o de cota\u00e7\u00e3o<\/a><\/div>\n<\/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,\u00a0wear\u00a0resistance, and hot hardness compared to\u00a0M2 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":{"_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 v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>M35 Tool Steel | 1.3243 | SKH55 Supplier - AoboSteel<\/title>\n<meta name=\"description\" content=\"M35 tool steel is a Cobalt-bearing molybdenum high-speed steel. 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