{"id":18248,"date":"2026-09-13T20:36:01","date_gmt":"2026-09-13T12:36:01","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=18248"},"modified":"2026-10-21T10:52:45","modified_gmt":"2026-10-21T02:52:45","slug":"tool-steel-machinability-rating-chart","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/tool-steel-machinability-rating-chart\/","title":{"rendered":"Tabela de Classifica\u00e7\u00e3o de Usinabilidade do A\u00e7o Ferramenta (Base W1=100)"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center\" id=\"h-tool-steel-machinability-rating-chart\">Tabela de classifica\u00e7\u00e3o de usinabilidade do a\u00e7o ferramenta<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cdndices aproximados de usinabilidade para a\u00e7os-ferramenta recozidos, na escala em que os graus de t\u00eampera em \u00e1gua W1, W2 e W5 = 100. Os \u00edndices abrangem toda a faixa de a\u00e7os-ferramenta AISI, do O6 (125) aos graus de alto van\u00e1dio (25-30).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>100<\/strong> = W1, W2, W5 (base)<\/li>\n\n\n\n<li><strong>125<\/strong> mais f\u00e1cil de usinar que o W<\/li>\n\n\n\n<li><strong>30-40<\/strong> varia\u00e7\u00e3o entre graus<\/li>\n\n\n\n<li><strong>(a)(b)<\/strong> nota de rodap\u00e9<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Tipos de a\u00e7o para ferramentas<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u00cdndice de usinabilidade<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">O6<\/td><td class=\"has-text-align-left\" data-align=\"left\">125<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">W1, W2, W5<\/td><td class=\"has-text-align-left\" data-align=\"left\">100 <sup>(a)<\/sup><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A10<\/td><td class=\"has-text-align-left\" data-align=\"left\">90<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">P2, P3, P4, P5, P6<\/td><td class=\"has-text-align-left\" data-align=\"left\">75-90<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">P20, P21<\/td><td class=\"has-text-align-left\" data-align=\"left\">65-80<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">L2, L6<\/td><td class=\"has-text-align-left\" data-align=\"left\">65-75<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">S1, S2, S5, S6, S7<\/td><td class=\"has-text-align-left\" data-align=\"left\">60-70<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">H10, H11, H13, H14, H19<\/td><td class=\"has-text-align-left\" data-align=\"left\">60-70 <sup>(b)<\/sup><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">O1, O2, O7<\/td><td class=\"has-text-align-left\" data-align=\"left\">45-60<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A2, A3, A4, A6, A8, A9<\/td><td class=\"has-text-align-left\" data-align=\"left\">45-60<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">H21, H22, H24, H25, H26, H42<\/td><td class=\"has-text-align-left\" data-align=\"left\">45-55 <sup>(b)<\/sup><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">T1<\/td><td class=\"has-text-align-left\" data-align=\"left\">40-50<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">M2<\/td><td class=\"has-text-align-left\" data-align=\"left\">40-50<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">T4<\/td><td class=\"has-text-align-left\" data-align=\"left\">35-40<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">M3, classe 1<\/td><td class=\"has-text-align-left\" data-align=\"left\">35-40<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">D2, D3, D4, D5, D7, A7<\/td><td class=\"has-text-align-left\" data-align=\"left\">30-40<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">T15<\/td><td class=\"has-text-align-left\" data-align=\"left\">25-30<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">M15<\/td><td class=\"has-text-align-left\" data-align=\"left\">25-30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><sup>(a)<\/sup> Equivalente a aproximadamente 30% da usinabilidade do a\u00e7o estrutural de corte f\u00e1cil B1112.<\/li>\n\n\n\n<li><sup>(b)<\/sup> Para faixa de dureza de 150 a 200 HB.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-table-notes\" class=\"wp-block-heading\">Notas de mesa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os \u00edndices s\u00e3o relativos aos a\u00e7os-ferramenta de t\u00eampera em \u00e1gua (W1, W2, W5 = 100) no estado recozido \u2014 um n\u00famero maior significa usinagem mais f\u00e1cil. Como a escala dos a\u00e7os-ferramenta difere da escala dos a\u00e7os estruturais, 100 aqui equivale a apenas cerca de 30% do B1112 (=100 na escala dos a\u00e7os estruturais).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A condi\u00e7\u00e3o de recozimento e a dureza afetam fortemente a usinabilidade; os graus marcados com (b) s\u00e3o classificados para a faixa de 150-200 HB. Melhore a usinabilidade especificando a condi\u00e7\u00e3o recozida ou, quando o grau permitir, uma variante ressulfurada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dados de refer\u00eancia para compara\u00e7\u00e3o \u2014 confirme a condi\u00e7\u00e3o de entrega e a dureza com seu fornecedor antes de planejar os tempos de usinagem.<\/p>\n\n\n\n<h3 id=\"h-related-reference-pages\" class=\"wp-block-heading\">P\u00e1ginas de refer\u00eancia relacionadas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"\/pt\/tool-steel-processing-characteristics\/\">Caracter\u00edsticas de processamento &amp; servi\u00e7o de a\u00e7os para ferramentas<\/a> \u00b7 <a href=\"\/pt\/d2-tool-steel-machining-guide\/\">Guia de usinagem do a\u00e7o ferramenta D2<\/a> \u00b7 <a href=\"\/pt\/a2-tool-steel-machining-fabrication-guide\/\">Guia de usinagem &amp; fabrica\u00e7\u00e3o do a\u00e7o-ferramenta A2<\/a> \u00b7 <a href=\"\/pt\/tool-steel-annealing-normalizing-temperature-chart\/\">Tabela de temperaturas de recozimento &amp; normaliza\u00e7\u00e3o<\/a> \u00b7 <a href=\"\/pt\/tool-steel-heat-treatment-guide\/\">guia de tratamento t\u00e9rmico de a\u00e7o para ferramentas<\/a> \u00b7 <a href=\"\/pt\/o1-tool-steel\/\">A\u00e7o ferramenta O1<\/a> \u00b7 <a href=\"\/pt\/d2-tool-steel\/\">a\u00e7o ferramenta D2<\/a> \u00b7 <a href=\"\/pt\/h13-tool-steel\/\">A\u00e7o ferramenta H13<\/a> \u00b7 <a href=\"\/pt\/tool-steel-selection-by-application\/\">Sele\u00e7\u00e3o de a\u00e7o ferramenta por aplica\u00e7\u00e3o<\/a> \u00b7 <a href=\"\/pt\/how-to-select-tool-steels\/\">Como selecionar a\u00e7os para ferramentas<\/a> \u00b7 <a href=\"\/pt\/steel-machinability-ratings-chart\/\">Classifica\u00e7\u00f5es de usinabilidade do a\u00e7o<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fonte: ASM Handbook, Volume 1 \u2014 Properties and Selection: Irons, Steels, and High-Performance Alloys, Tabela 15 \u201cApproximate machinability ratings for annealed tool steels\u201d (10\u00aa ed.). Dados de refer\u00eancia para compara\u00e7\u00e3o \u2014 verifique a condi\u00e7\u00e3o de entrega antes de planejar a usinagem.<\/p>","protected":false},"excerpt":{"rendered":"<p>Tool Steel Machinability Rating Chart Approximate machinability ratings for annealed tool steels, on the scale where the water-hardening grades W1, W2, and W5 = 100. Ratings cover the full AISI tool steel range, from O6 (125) to the high-vanadium grades (25-30). Tool steel types Machinability rating O6 125 W1, W2, W5 100 (a) A10 90 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","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-18248","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tool Steel Machinability Rating Chart (W1=100 Basis) - AoboSteel<\/title>\n<meta name=\"description\" content=\"Compare machinability ratings for annealed tool steels on the W1=100 basis, from O6 (125) to high-vanadium grades (25-30). 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