{"id":18292,"date":"2026-09-14T18:58:31","date_gmt":"2026-09-14T10:58:31","guid":{"rendered":"https:\/\/aobosteel.com\/tool-steel-tempering-chart\/"},"modified":"2026-10-18T23:06:51","modified_gmt":"2026-10-18T15:06:51","slug":"tool-steel-tempering-chart","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/tool-steel-tempering-chart\/","title":{"rendered":"Temperatura de revenimento e dureza de trabalho"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center\" id=\"h-tool-steel-tempering-chart\">Tabela de revenimento de a\u00e7o para ferramentas<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Temperaturas de revenimento, a dureza que cada uma produz e os <a href=\"https:\/\/aobosteel.com\/pt\/temper-color-time-chart\/\">cores de \u00f3xido usadas para julgar a temperatura no ch\u00e3o de f\u00e1brica<\/a>. Abrange D2, D3, D4, D5, D7, O1, O2, O6, O7, A2, A6, A7, A8, H10 a H23, <a href=\"https:\/\/aobosteel.com\/pt\/m2-steel-specifications\/\">M2<\/a>, M4 e M42, com valores m\u00e9tricos e imperiais.<\/p>\n\n\n<h2 class=\"wp-block-post-title\">Temperatura de revenimento e dureza de trabalho<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Seis graus cobrem a maior parte do trabalho de matrizes e ferramentas, com a dureza na qual cada um \u00e9 normalmente colocado em servi\u00e7o. As temperaturas de t\u00eampera e o cronograma completo de t\u00eampera e revenimento est\u00e3o no <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-hardening-tempering-chart\/\">gr\u00e1fico de t\u00eampera e revenimento<\/a>.<\/p>\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\">Grau<\/th><th class=\"has-text-align-left\" data-align=\"left\">Tipo<\/th><th class=\"has-text-align-left\" data-align=\"left\">HRC como temperado <sup>(a)<\/sup><\/th><th class=\"has-text-align-left\" data-align=\"left\">HRC de trabalho<\/th><th class=\"has-text-align-left\" data-align=\"left\">Revenimento recomendado, \u00b0F<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u00b0C<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\">A2<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio, endurecimento ao ar<\/td><td class=\"has-text-align-left\" data-align=\"left\">64<\/td><td class=\"has-text-align-left\" data-align=\"left\">58-60<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u2013450<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013232<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel\/\">D2<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio, alto cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">64<\/td><td class=\"has-text-align-left\" data-align=\"left\">58-60<\/td><td class=\"has-text-align-left\" data-align=\"left\">900\u2013960<\/td><td class=\"has-text-align-left\" data-align=\"left\">482\u2013516<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">H13<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a quente, cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">54<\/td><td class=\"has-text-align-left\" data-align=\"left\">40\u201348<\/td><td class=\"has-text-align-left\" data-align=\"left\">1050\u20131150<\/td><td class=\"has-text-align-left\" data-align=\"left\">566\u2013621<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/m2-tool-steel\/\">M2<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Molibd\u00eanio de alta velocidade<\/td><td class=\"has-text-align-left\" data-align=\"left\">65<\/td><td class=\"has-text-align-left\" data-align=\"left\">62-64<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131050<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013566<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/o1-tool-steel\/\">O1<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio, endurecimento em \u00f3leo<\/td><td class=\"has-text-align-left\" data-align=\"left\">64<\/td><td class=\"has-text-align-left\" data-align=\"left\">58-60<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u2013450<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013232<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel\/\">S7<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Resistente a impacto<\/td><td class=\"has-text-align-left\" data-align=\"left\">60<\/td><td class=\"has-text-align-left\" data-align=\"left\">56\u201358<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u2013450<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013232<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fonte: Tool and Die Making Troubleshooter (R. M. Leed), Tabela 8-7, de dados da Bethlehem Steel.<\/p>\n\n\n\n<div class=\"wp-block-group has-background is-layout-constrained wp-container-core-group-is-layout-3e4fb3d2 wp-block-group-is-layout-constrained\" style=\"border-radius:8px;background-color:#f4f8ff;margin-bottom:24px;padding-top:20px;padding-right:24px;padding-bottom:20px;padding-left:24px\">\n<p class=\"wp-block-paragraph\"><strong>Tabela de revenimento do a\u00e7o para ferramentas, PDF para impress\u00e3o<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00eas p\u00e1ginas A4 com as janelas de revenimento para 28 graus, os dados de dureza do H13 e do M2, as cores de revenimento por \u00f3xido e nossos dados de contato.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/09\/Aobo-Steel-Tempering-Chart.pdf\">Baixar PDF, 510 KB<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Janelas de revenimento por grau<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dados de t\u00eampera e revenimento para os a\u00e7os para ferramentas mais cotados e estocados. Agrupados por fam\u00edlia, com a faixa aproximada de dureza dentro da janela. A qu\u00edmica de cada grau est\u00e1 na <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-composition-chart\/\">Tabela de composi\u00e7\u00e3o de a\u00e7os para ferramentas<\/a>.<\/p>\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\">Grau<\/th><th class=\"has-text-align-left\" data-align=\"left\">Tipo<\/th><th class=\"has-text-align-left\" data-align=\"left\">Temperatura de revenimento, \u00b0F<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u00b0C<\/th><th class=\"has-text-align-left\" data-align=\"left\">Dureza temperada aprox., HRC <sup>(c)<\/sup><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"5\"><a href=\"https:\/\/aobosteel.com\/pt\/high-speed-steels\/\">A\u00e7os-ferramenta r\u00e1pidos<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/m2-tool-steel-heat-treatment\/\">M2<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">A\u00e7o r\u00e1pido ao molibd\u00eanio<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131160<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013627<\/td><td class=\"has-text-align-left\" data-align=\"left\">65\u201360<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/m4-tool-steel-heat-treatment\/\">M4<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">A\u00e7o r\u00e1pido ao molibd\u00eanio, van\u00e1dio<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131100<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013593<\/td><td class=\"has-text-align-left\" data-align=\"left\">66\u201361<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/m7-tool-steel-heat-treatment\/\">M7<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">A\u00e7o r\u00e1pido ao molibd\u00eanio<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131100<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013593<\/td><td class=\"has-text-align-left\" data-align=\"left\">66\u201361<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">M10<\/td><td class=\"has-text-align-left\" data-align=\"left\">A\u00e7o r\u00e1pido ao molibd\u00eanio<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131100<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013593<\/td><td class=\"has-text-align-left\" data-align=\"left\">65\u201360<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/m42-tool-steel\/\">M42<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">A\u00e7o r\u00e1pido ao cobalto<\/td><td class=\"has-text-align-left\" data-align=\"left\">950\u20131100<\/td><td class=\"has-text-align-left\" data-align=\"left\">510\u2013593<\/td><td class=\"has-text-align-left\" data-align=\"left\">70\u201365<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"5\"><a href=\"https:\/\/aobosteel.com\/pt\/hot-work-tool-steels\/\">A\u00e7os para ferramentas de trabalho a quente<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/h10-tool-steel-heat-treatment-guide\/\">H10<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a quente ao cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131200<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013649<\/td><td class=\"has-text-align-left\" data-align=\"left\">56\u201339<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/h11-tool-steel-heat-treatment\/\">H11<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a quente ao cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131200<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013649<\/td><td class=\"has-text-align-left\" data-align=\"left\">54\u201338<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/h12-tool-steel-heat-treatment\/\">H12<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a quente cromo-tungst\u00eanio<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131200<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013649<\/td><td class=\"has-text-align-left\" data-align=\"left\">55\u201338<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/h13-steel-heat-treatment\/\">H13<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a quente ao cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131200<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013649<\/td><td class=\"has-text-align-left\" data-align=\"left\">53\u201338<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/h19-tool-steel-heat-treatment\/\">H19<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a quente cromo-cobalto<\/td><td class=\"has-text-align-left\" data-align=\"left\">1000\u20131300<\/td><td class=\"has-text-align-left\" data-align=\"left\">538\u2013704<\/td><td class=\"has-text-align-left\" data-align=\"left\">59\u201340<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/h21-tool-steel\/\">H21<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a quente ao tungst\u00eanio<\/td><td class=\"has-text-align-left\" data-align=\"left\">1100\u20131250<\/td><td class=\"has-text-align-left\" data-align=\"left\">593\u2013677<\/td><td class=\"has-text-align-left\" data-align=\"left\">54\u201336<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">H23<\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a quente ao tungst\u00eanio<\/td><td class=\"has-text-align-left\" data-align=\"left\">1200\u20131500<\/td><td class=\"has-text-align-left\" data-align=\"left\">649\u2013816<\/td><td class=\"has-text-align-left\" data-align=\"left\">47\u201330<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"5\"><a href=\"https:\/\/aobosteel.com\/pt\/cold-work-tool-steels\/\">A\u00e7os para ferramentas de trabalho a frio<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel-heat-treatment-guide\/\">D2<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio alto cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u20131000<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013538<\/td><td class=\"has-text-align-left\" data-align=\"left\">61\u201354<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/d3-tool-steel-heat-treatment\/\">D3<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio alto cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u20131000<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013538<\/td><td class=\"has-text-align-left\" data-align=\"left\">61\u201354<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">D4<\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio alto cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u20131000<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013538<\/td><td class=\"has-text-align-left\" data-align=\"left\">61\u201354<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">D5<\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio alto cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u20131000<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013538<\/td><td class=\"has-text-align-left\" data-align=\"left\">61\u201354<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">D7<\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio alto cromo<\/td><td class=\"has-text-align-left\" data-align=\"left\">300\u20131000<\/td><td class=\"has-text-align-left\" data-align=\"left\">149\u2013538<\/td><td class=\"has-text-align-left\" data-align=\"left\">65\u201358<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-heat-treatment-guide\/\">A2<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Endurecimento ao ar de m\u00e9dia liga<\/td><td class=\"has-text-align-left\" data-align=\"left\">350\u20131000<\/td><td class=\"has-text-align-left\" data-align=\"left\">177\u2013538<\/td><td class=\"has-text-align-left\" data-align=\"left\">62\u201357<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A6<\/td><td class=\"has-text-align-left\" data-align=\"left\">Endurecimento ao ar de m\u00e9dia liga<\/td><td class=\"has-text-align-left\" data-align=\"left\">300\u2013800<\/td><td class=\"has-text-align-left\" data-align=\"left\">149\u2013427<\/td><td class=\"has-text-align-left\" data-align=\"left\">60\u201354<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A7<\/td><td class=\"has-text-align-left\" data-align=\"left\">Endurecimento ao ar de m\u00e9dia liga<\/td><td class=\"has-text-align-left\" data-align=\"left\">300\u20131000<\/td><td class=\"has-text-align-left\" data-align=\"left\">149\u2013538<\/td><td class=\"has-text-align-left\" data-align=\"left\">67\u201357<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A8<\/td><td class=\"has-text-align-left\" data-align=\"left\">Endurecimento ao ar de m\u00e9dia liga<\/td><td class=\"has-text-align-left\" data-align=\"left\">350\u20131100<\/td><td class=\"has-text-align-left\" data-align=\"left\">177\u2013593<\/td><td class=\"has-text-align-left\" data-align=\"left\">60\u201350<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/o1-tool-steel-heat-treatment\/\">O1<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio de endurecimento em \u00f3leo<\/td><td class=\"has-text-align-left\" data-align=\"left\">350\u2013500<\/td><td class=\"has-text-align-left\" data-align=\"left\">177\u2013260<\/td><td class=\"has-text-align-left\" data-align=\"left\">62\u201357<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/o2-tool-steel-heat-treatment\/\">O2<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio de endurecimento em \u00f3leo<\/td><td class=\"has-text-align-left\" data-align=\"left\">350\u2013500<\/td><td class=\"has-text-align-left\" data-align=\"left\">177\u2013260<\/td><td class=\"has-text-align-left\" data-align=\"left\">62\u201357<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/o6-tool-steel-heat-treatment\/\">O6<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio de endurecimento em \u00f3leo<\/td><td class=\"has-text-align-left\" data-align=\"left\">350\u2013600<\/td><td class=\"has-text-align-left\" data-align=\"left\">177\u2013316<\/td><td class=\"has-text-align-left\" data-align=\"left\">63\u201358<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">O7<\/td><td class=\"has-text-align-left\" data-align=\"left\">Trabalho a frio de endurecimento em \u00f3leo<\/td><td class=\"has-text-align-left\" data-align=\"left\">350\u2013550<\/td><td class=\"has-text-align-left\" data-align=\"left\">177\u2013288<\/td><td class=\"has-text-align-left\" data-align=\"left\">64\u201358<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"5\"><a href=\"https:\/\/aobosteel.com\/pt\/s-series-tool-steel\/\">A\u00e7os para ferramentas resistentes ao choque<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/s1-tool-steel-heat-treatment-guide\/\">S1<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Resistente a impacto<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u20131200<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013649<\/td><td class=\"has-text-align-left\" data-align=\"left\">58\u201340<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/s5-tool-steel-heat-treatment\/\">S5<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Resistente a impacto<\/td><td class=\"has-text-align-left\" data-align=\"left\">350\u2013800<\/td><td class=\"has-text-align-left\" data-align=\"left\">177\u2013427<\/td><td class=\"has-text-align-left\" data-align=\"left\">60\u201350<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel-heat-treatment\/\">S7<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Resistente a impacto<\/td><td class=\"has-text-align-left\" data-align=\"left\">400\u20131150<\/td><td class=\"has-text-align-left\" data-align=\"left\">204\u2013621<\/td><td class=\"has-text-align-left\" data-align=\"left\">57\u201345<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fonte: Machinery\u2019s Handbook, 28\u00aa ed., tabelas de a\u00e7o-ferramenta 6, 8, 9 e 10 (grupos de alta velocidade, trabalho a quente, trabalho a frio e resistente a choque).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H13 em cada temperatura de revenimento<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dureza, propriedades de tra\u00e7\u00e3o e energia de impacto do H13 ap\u00f3s duplo revenimento. Mesma temperatura de austenitiza\u00e7\u00e3o, duas rotas de t\u00eampera diferentes. A dureza na temperatura de trabalho est\u00e1 no <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-hot-hardness-chart\/\">gr\u00e1fico de dureza a quente<\/a>.<\/p>\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\">Revenimento <br>\u00b0C<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u00b0F<\/th><th class=\"has-text-align-left\" data-align=\"left\">Dureza<br>HRC<\/th><th class=\"has-text-align-left\" data-align=\"left\">Tra\u00e7\u00e3o<br>MPa (ksi)<\/th><th class=\"has-text-align-left\" data-align=\"left\">Colheita<br>MPa (ksi)<\/th><th class=\"has-text-align-left\" data-align=\"left\">Alongamento<br>%<\/th><th class=\"has-text-align-left\" data-align=\"left\">Charpy com entalhe em V<br>at 21 \u00b0C, J (ft\u00b7lbf)<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"7\">Temperado em \u00f3leo a partir de 1010 \u00b0C (1850 \u00b0F), duplo revenimento 2 + 2 h<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">527<\/td><td class=\"has-text-align-left\" data-align=\"left\">980<\/td><td class=\"has-text-align-left\" data-align=\"left\">52<\/td><td class=\"has-text-align-left\" data-align=\"left\">1960 (284)<\/td><td class=\"has-text-align-left\" data-align=\"left\">1570 (228)<\/td><td class=\"has-text-align-left\" data-align=\"left\">13.0<\/td><td class=\"has-text-align-left\" data-align=\"left\">16 (12)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">555<\/td><td class=\"has-text-align-left\" data-align=\"left\">1030<\/td><td class=\"has-text-align-left\" data-align=\"left\">50<\/td><td class=\"has-text-align-left\" data-align=\"left\">1835 (266)<\/td><td class=\"has-text-align-left\" data-align=\"left\">1530 (222)<\/td><td class=\"has-text-align-left\" data-align=\"left\">13.1<\/td><td class=\"has-text-align-left\" data-align=\"left\">24 (18)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">575<\/td><td class=\"has-text-align-left\" data-align=\"left\">1065<\/td><td class=\"has-text-align-left\" data-align=\"left\">48<\/td><td class=\"has-text-align-left\" data-align=\"left\">1730 (251)<\/td><td class=\"has-text-align-left\" data-align=\"left\">1470 (213)<\/td><td class=\"has-text-align-left\" data-align=\"left\">13.5<\/td><td class=\"has-text-align-left\" data-align=\"left\">27 (20)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">593<\/td><td class=\"has-text-align-left\" data-align=\"left\">1100<\/td><td class=\"has-text-align-left\" data-align=\"left\">46<\/td><td class=\"has-text-align-left\" data-align=\"left\">1580 (229)<\/td><td class=\"has-text-align-left\" data-align=\"left\">1365 (198)<\/td><td class=\"has-text-align-left\" data-align=\"left\">14.4<\/td><td class=\"has-text-align-left\" data-align=\"left\">28.5 (21)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"7\">Resfriado ao ar a partir de 1010 \u00b0C (1850 \u00b0F), duplo revenimento 2 + 2 h<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">524<\/td><td class=\"has-text-align-left\" data-align=\"left\">975<\/td><td class=\"has-text-align-left\" data-align=\"left\">54<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">14 (10)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">565<\/td><td class=\"has-text-align-left\" data-align=\"left\">1050<\/td><td class=\"has-text-align-left\" data-align=\"left\">52<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">14 (10)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">607<\/td><td class=\"has-text-align-left\" data-align=\"left\">1125<\/td><td class=\"has-text-align-left\" data-align=\"left\">47<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2014<\/td><td class=\"has-text-align-left\" data-align=\"left\">24 (18)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fonte: ASM Handbook, Volume 1 (10\u00aa ed.), Ultrahigh-Strength Steels, Tabelas 31 e 33 (barra redonda H13). A s\u00e9rie resfriada ao ar reporta apenas dureza e energia de impacto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dureza do M2 em fun\u00e7\u00e3o da temperatura de revenimento<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A queda e a recupera\u00e7\u00e3o entre 700 e 1050 \u00b0F \u00e9 endurecimento secund\u00e1rio, raz\u00e3o pela qual o a\u00e7o de alta velocidade \u00e9 revenido a quente em vez de apenas endurecido.<\/p>\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\">Revenimento<br>\u00b0F<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u00b0C<\/th><th class=\"has-text-align-left\" data-align=\"left\">Dureza ap\u00f3s t\u00eampera em \u00f3leo, HRC<\/th><th class=\"has-text-align-left\" data-align=\"left\">Dureza ap\u00f3s t\u00eampera ao ar, HRC<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">300<\/td><td class=\"has-text-align-left\" data-align=\"left\">150<\/td><td class=\"has-text-align-left\" data-align=\"left\">66<\/td><td class=\"has-text-align-left\" data-align=\"left\">66.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">400<\/td><td class=\"has-text-align-left\" data-align=\"left\">205<\/td><td class=\"has-text-align-left\" data-align=\"left\">65<\/td><td class=\"has-text-align-left\" data-align=\"left\">65<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">500<\/td><td class=\"has-text-align-left\" data-align=\"left\">260<\/td><td class=\"has-text-align-left\" data-align=\"left\">64<\/td><td class=\"has-text-align-left\" data-align=\"left\">63.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">600<\/td><td class=\"has-text-align-left\" data-align=\"left\">315<\/td><td class=\"has-text-align-left\" data-align=\"left\">63<\/td><td class=\"has-text-align-left\" data-align=\"left\">62.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">700<\/td><td class=\"has-text-align-left\" data-align=\"left\">370<\/td><td class=\"has-text-align-left\" data-align=\"left\">62.5<\/td><td class=\"has-text-align-left\" data-align=\"left\">62.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">800<\/td><td class=\"has-text-align-left\" data-align=\"left\">425<\/td><td class=\"has-text-align-left\" data-align=\"left\">63<\/td><td class=\"has-text-align-left\" data-align=\"left\">62.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">900<\/td><td class=\"has-text-align-left\" data-align=\"left\">480<\/td><td class=\"has-text-align-left\" data-align=\"left\">65<\/td><td class=\"has-text-align-left\" data-align=\"left\">63.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">1000<\/td><td class=\"has-text-align-left\" data-align=\"left\">540<\/td><td class=\"has-text-align-left\" data-align=\"left\">66<\/td><td class=\"has-text-align-left\" data-align=\"left\">63.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">1050<\/td><td class=\"has-text-align-left\" data-align=\"left\">565<\/td><td class=\"has-text-align-left\" data-align=\"left\">66<\/td><td class=\"has-text-align-left\" data-align=\"left\">63.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">1100<\/td><td class=\"has-text-align-left\" data-align=\"left\">595<\/td><td class=\"has-text-align-left\" data-align=\"left\">64.5<\/td><td class=\"has-text-align-left\" data-align=\"left\">61.5<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">1150<\/td><td class=\"has-text-align-left\" data-align=\"left\">620<\/td><td class=\"has-text-align-left\" data-align=\"left\">62<\/td><td class=\"has-text-align-left\" data-align=\"left\">60<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">1200<\/td><td class=\"has-text-align-left\" data-align=\"left\">650<\/td><td class=\"has-text-align-left\" data-align=\"left\">53.5<\/td><td class=\"has-text-align-left\" data-align=\"left\">53<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fonte: Heat Treatment, Selection and Application of Tool Steels (W. E. Bryson, 2\u00aa ed.), Tabela 10.1, austenitizado a 2250 \u00b0F (1230 \u00b0C).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cores de revenimento<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cores de \u00f3xido em a\u00e7o carbono comum, usadas como verifica\u00e7\u00e3o cruzada no ch\u00e3o de f\u00e1brica quando n\u00e3o h\u00e1 pir\u00f4metro \u00e0 m\u00e3o.<\/p>\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\">\u00b0F<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u00b0C<\/th><th class=\"has-text-align-left\" data-align=\"left\">Cor do a\u00e7o<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">430<\/td><td class=\"has-text-align-left\" data-align=\"left\">221<\/td><td class=\"has-text-align-left\" data-align=\"left\">Amarelo muito p\u00e1lido<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">440<\/td><td class=\"has-text-align-left\" data-align=\"left\">227<\/td><td class=\"has-text-align-left\" data-align=\"left\">Amarelo claro<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">450<\/td><td class=\"has-text-align-left\" data-align=\"left\">232<\/td><td class=\"has-text-align-left\" data-align=\"left\">Amarelo-palha p\u00e1lido<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">460<\/td><td class=\"has-text-align-left\" data-align=\"left\">238<\/td><td class=\"has-text-align-left\" data-align=\"left\">Amarelo-palha<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">470<\/td><td class=\"has-text-align-left\" data-align=\"left\">243<\/td><td class=\"has-text-align-left\" data-align=\"left\">Amarelo-palha profundo<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">480<\/td><td class=\"has-text-align-left\" data-align=\"left\">249<\/td><td class=\"has-text-align-left\" data-align=\"left\">Amarelo escuro<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">490<\/td><td class=\"has-text-align-left\" data-align=\"left\">254<\/td><td class=\"has-text-align-left\" data-align=\"left\">Amarelo-acastanhado<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">500<\/td><td class=\"has-text-align-left\" data-align=\"left\">260<\/td><td class=\"has-text-align-left\" data-align=\"left\">Marrom-amarelado<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">510<\/td><td class=\"has-text-align-left\" data-align=\"left\">266<\/td><td class=\"has-text-align-left\" data-align=\"left\">Marrom-avermelhado manchado<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">520<\/td><td class=\"has-text-align-left\" data-align=\"left\">271<\/td><td class=\"has-text-align-left\" data-align=\"left\">Marrom-p\u00farpura<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">530<\/td><td class=\"has-text-align-left\" data-align=\"left\">277<\/td><td class=\"has-text-align-left\" data-align=\"left\">P\u00farpura claro<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">540<\/td><td class=\"has-text-align-left\" data-align=\"left\">282<\/td><td class=\"has-text-align-left\" data-align=\"left\">P\u00farpura pleno<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">550<\/td><td class=\"has-text-align-left\" data-align=\"left\">288<\/td><td class=\"has-text-align-left\" data-align=\"left\">P\u00farpura escuro<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">560<\/td><td class=\"has-text-align-left\" data-align=\"left\">293<\/td><td class=\"has-text-align-left\" data-align=\"left\">Azul pleno<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">570<\/td><td class=\"has-text-align-left\" data-align=\"left\">299<\/td><td class=\"has-text-align-left\" data-align=\"left\">Azul escuro<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">640<\/td><td class=\"has-text-align-left\" data-align=\"left\">338<\/td><td class=\"has-text-align-left\" data-align=\"left\">Azul claro<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fonte: Machinery\u2019s Handbook, 28\u00aa ed., Tabela 1, temperaturas indicadas pela cor do a\u00e7o carbono comum. Outras refer\u00eancias de oficina listam as mesmas cores em faixas ligeiramente diferentes, por exemplo, palha a 460 \u00b0F (238 \u00b0C) e azul a 580 \u00b0F (304 \u00b0C).<\/p>\n\n\n\n<div class=\"wp-block-group has-background is-layout-constrained wp-container-core-group-is-layout-3e4fb3d2 wp-block-group-is-layout-constrained\" style=\"border-radius:8px;background-color:#f4f8ff;margin-bottom:24px;padding-top:20px;padding-right:24px;padding-bottom:20px;padding-left:24px\">\n<p class=\"wp-block-paragraph\"><strong>Tabela de revenimento do a\u00e7o para ferramentas, PDF para impress\u00e3o<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00eas p\u00e1ginas A4 com janelas de revenimento para 28 graus, dados de dureza do H13 e do M2, cores de revenimento por \u00f3xido e nossos dados de contato.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/09\/Aobo-Steel-Tempering-Chart.pdf\">Baixar PDF, 510 KB<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><sup>(a)<\/sup> Dureza como temperado, medida antes do revenimento.<\/li>\n\n\n\n<li><sup>(b)<\/sup> As temperaturas s\u00e3o impressas aqui conforme publicadas em cada fonte. Os valores em Celsius nas tabelas de dureza temperada s\u00e3o convertidos de Fahrenheit e arredondados para o grau mais pr\u00f3ximo.<\/li>\n\n\n\n<li><sup>(c)<\/sup> A dureza revenida aproximada \u00e9 o intervalo da extremidade inferior da <a href=\"https:\/\/aobosteel.com\/pt\/carbon-tool-steel-temper-chart\/\">Janela de revenimento<\/a> at\u00e9 o limite superior. O valor exato depende da temperatura de austenitiza\u00e7\u00e3o, da t\u00eampera, do tamanho da se\u00e7\u00e3o e do n\u00famero de revenimentos.<\/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\">Diferentes refer\u00eancias publicam diferentes janelas de revenimento para o mesmo grau porque o resultado depende de como a pe\u00e7a foi austenitizada, da velocidade de resfriamento, da espessura e do n\u00famero de revenimentos. O D2, por exemplo, \u00e9 revenido a 900 a 960 \u00b0F (482 a 516 \u00b0C) para manter <a href=\"https:\/\/aobosteel.com\/pt\/blog\/best-hrc-for-d2-tool-steel\/\">58 a 60 HRC<\/a> na pr\u00e1tica de oficina, enquanto o Machinery\u2019s Handbook lista uma janela mais ampla de 400 a 1000 \u00b0F com uma faixa de dureza aproximada de 61 a 54 HRC. Trate ambas as tabelas como janelas iniciais e depois confirme no seu pr\u00f3prio forno com um corpo de prova.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Revenha logo ap\u00f3s a t\u00eampera.<\/strong> <a href=\"https:\/\/aobosteel.com\/pt\/air-hardening-tool-steel\/\">t\u00eampera ao ar<\/a> e <a href=\"https:\/\/aobosteel.com\/pt\/oil-hardening-tool-steel\/\">a\u00e7o temper\u00e1vel em \u00f3leo<\/a> os graus devem chegar ao forno de revenimento enquanto a pe\u00e7a ainda est\u00e1 morna, cerca de 125 a 150 \u00b0F (50 a 65 \u00b0C). Uma ferramenta temperada deixada \u00e0 temperatura ambiente antes do primeiro revenimento carrega maior <a href=\"https:\/\/aobosteel.com\/pt\/blog\/how-to-avoid-d2-heat-treatment-mistakes\/\">risco de trincamento<\/a>, e o atraso n\u00e3o custa nada para evitar. Mantenha na temperatura por uma hora por polegada de se\u00e7\u00e3o, e use duas horas por polegada em se\u00e7\u00f5es grandes ou complexas. Os defeitos que aparecem quando uma etapa do ciclo \u00e9 pulada, e as verifica\u00e7\u00f5es que os corrigem, est\u00e3o listados no <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-heat-treatment-troubleshooting-chart\/\">tabela de solu\u00e7\u00e3o de problemas de tratamento t\u00e9rmico<\/a>.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Revenha duas vezes, e tr\u00eas vezes em a\u00e7o r\u00e1pido.<\/strong> Graus de trabalho a frio com t\u00eampera ao ar e graus de alta velocidade ao molibd\u00eanio <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-tempering-isothermal-transformation\/\">s\u00e3o normalmente revenidos duas vezes para converter<\/a> <a href=\"https:\/\/aobosteel.com\/pt\/retained-austenite-tool-steel\/\">austenita retida<\/a> e estabilizar as dimens\u00f5es. Adicione um terceiro revenimento para pe\u00e7as com muitos detalhes ou para ferramentas de servi\u00e7o pesado.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nunca aque\u00e7a uma pe\u00e7a temperada acima de sua temperatura de revenimento.<\/strong> Al\u00edvio de tens\u00f5es, endireitamento ou <a href=\"https:\/\/aobosteel.com\/pt\/blog\/d2-tool-steel-weld-repair\/\">weld repair<\/a> acima dessa temperatura amolece a ferramenta, portanto a temperatura de revenimento define um limite para todas as opera\u00e7\u00f5es posteriores.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>As cores de revenimento s\u00e3o apenas uma indica\u00e7\u00e3o.<\/strong> As cores de \u00f3xido na \u00faltima tabela foram medidas em <a href=\"https:\/\/aobosteel.com\/pt\/blog\/1045-vs-tool-steel\/\">a\u00e7o carbono comum<\/a>. O teor de liga as altera, portanto use um termopar ou pir\u00f4metro para controle e as cores como verifica\u00e7\u00e3o cruzada no ch\u00e3o de f\u00e1brica.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A pe\u00e7a deve estar a <strong>125 to 150 \u00b0F (50 to 65 \u00b0C)<\/strong> quando entrar no forno de revenimento. Esperar at\u00e9 que esfrie aumenta o risco de trincamento em graus de endurecimento ao ar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mantenha na temperatura por <strong>uma hora por polegada de se\u00e7\u00e3o<\/strong>, duas horas por polegada em blocos pesados ou complexos. Tempos de perman\u00eancia curtos deixam austenita retida e dimens\u00f5es inst\u00e1veis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cada ponto de dureza acima da faixa de trabalho remove tenacidade. Algumas faixas de revenimento reduzem a tenacidade por um motivo diferente, e as temperaturas que acionam cada uma est\u00e3o listadas na <a href=\"https:\/\/aobosteel.com\/pt\/steel-embrittlement-types\/\">P\u00e1gina sobre tipos de fragiliza\u00e7\u00e3o do a\u00e7o<\/a>. <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-selection-by-application\/\">Escolha a faixa que a matriz precisa<\/a> e manter-se dentro dessa faixa em vez de endurecer at\u00e9 o m\u00e1ximo que o a\u00e7o suporta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As janelas de revenimento s\u00e3o espec\u00edficas do grau e da usina. A Aobo Steel fornece <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-heat-treatment-guide\/\">orienta\u00e7\u00e3o de tratamento t\u00e9rmico<\/a> com cada pedido, e o <a href=\"https:\/\/aobosteel.com\/pt\/blog\/verify-tool-steel-test-report\/\">certificado de f\u00e1brica<\/a> acompanha o a\u00e7o.<\/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=\"https:\/\/aobosteel.com\/pt\/tool-steel-annealing-normalizing-temperature-chart\/\">Temperaturas de recozimento e normaliza\u00e7\u00e3o do a\u00e7o para ferramentas<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/pt\/d2-austenitizing-temperature\/\">temperatura de austenitiza\u00e7\u00e3o do D2<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-forging-temperature-guide\/\">Guia de Temperatura de Forjamento de A\u00e7o Ferramenta<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-machinability-rating-chart\/\">\u00cdndices de usinabilidade do a\u00e7o para ferramentas<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/pt\/h13-steel-properties\/\">Aplica\u00e7\u00f5es de fundi\u00e7\u00e3o sob press\u00e3o do H13<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel-machining-guide\/\">Guia de usinagem do a\u00e7o ferramenta D2<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fontes: Machinery\u2019s Handbook, 28\u00aa ed. (Industrial Press), tabelas de a\u00e7o-ferramenta 6, 8, 9 e 10 e Tabela 1 sobre cores de revenimento; ASM Handbook, Volume 1 (10\u00aa ed.), Ultrahigh-Strength Steels, Tabelas 31 e 33; Tool and Die Making Troubleshooter (R. M. Leed), Tabelas 8-3 e 8-7; Heat Treatment, Selection and Application of Tool Steels (W. E. Bryson, 2\u00aa ed.), Tabela 10.1. Dados de refer\u00eancia apenas para compara\u00e7\u00e3o. Confirme a pr\u00e1tica de revenimento com o seu tratador t\u00e9rmico e a ficha t\u00e9cnica da usina antes da produ\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>Tempering temperatures and the hardness they produce for common tool 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