{"id":15525,"date":"2026-05-18T12:16:55","date_gmt":"2026-05-18T04:16:55","guid":{"rendered":"https:\/\/aobosteel.com\/?p=15525"},"modified":"2026-06-14T09:55:43","modified_gmt":"2026-06-14T01:55:43","slug":"best-tool-steels-for-cold-extrusion-dies","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/pt\/blog\/best-tool-steels-for-cold-extrusion-dies\/","title":{"rendered":"Melhores a\u00e7os para matrizes de extrus\u00e3o a frio"},"content":{"rendered":"<h1 id=\"h-best-tool-steels-for-cold-extrusion-dies\" class=\"wp-block-heading\">Melhores a\u00e7os para matrizes de extrus\u00e3o a frio<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Para insertos de extrus\u00e3o a frio de alta press\u00e3o, <a href=\"https:\/\/aobosteel.com\/pt\/m2-tool-steel\/\">M2<\/a>, M4, T15, <a href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel\/\">D2<\/a>, <a href=\"https:\/\/aobosteel.com\/pt\/d3-tool-steel\/\">D3<\/a>, D4 e <a href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\">A2<\/a> s\u00e3o escolhas comuns. Para matrizes, bases, recipientes, an\u00e9is de contra\u00e7\u00e3o e retentores, a\u00e7os mais resistentes como o A2, <a href=\"https:\/\/aobosteel.com\/pt\/s1-tool-steel\/\">S1<\/a>, <a href=\"https:\/\/aobosteel.com\/pt\/l6-tool-steel\/\">L6<\/a>, <a href=\"https:\/\/aobosteel.com\/pt\/h11-tool-steel\/\">H11<\/a>, e <a href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">H13<\/a> s\u00e3o mais adequados.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A regra b\u00e1sica \u00e9 usar a\u00e7os duros e resistentes ao desgaste para a pastilha de trabalho. Para a estrutura de suporte, use a\u00e7os ainda mais resistentes.<\/p>\n\n\n\n<h2 id=\"h-quick-selection-table-for-cold-extrusion-dies\" class=\"wp-block-heading\">Tabela de sele\u00e7\u00e3o r\u00e1pida para matrizes de extrus\u00e3o a frio<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Posi\u00e7\u00e3o da matriz \/ Condi\u00e7\u00f5es de trabalho<\/td><td>Principal risco de falha<\/td><td>A\u00e7os para ferramentas recomendados<\/td><td>Dureza t\u00edpica<\/td><td>Motivo da Sele\u00e7\u00e3o<\/td><\/tr><tr><td>Insertos de extrus\u00e3o a frio de a\u00e7o refor\u00e7ado<\/td><td>Deforma\u00e7\u00e3o pl\u00e1stica, desgaste abrasivo<\/td><td>M2, M4, T15<\/td><td>60\u201367 HRC<\/td><td>Alta resist\u00eancia \u00e0 compress\u00e3o e forte resist\u00eancia ao desgaste<\/td><\/tr><tr><td>Insertos gerais para extrus\u00e3o a frio de longa dura\u00e7\u00e3o<\/td><td>Desgaste, altera\u00e7\u00e3o dimensional<\/td><td>D2, D3, D4<\/td><td>58\u201364 HRC<\/td><td>Boa resist\u00eancia \u00e0 abras\u00e3o, estabilidade e custo-benef\u00edcio.<\/td><\/tr><tr><td>Insertos com maior risco de fissuras<\/td><td>Lascando, rachando<\/td><td>A2<\/td><td>56\u201362 HRC<\/td><td>Maior resist\u00eancia que os a\u00e7os da s\u00e9rie D<\/td><\/tr><tr><td>Matrizes de extrus\u00e3o de alum\u00ednio ou metais n\u00e3o ferrosos mais macios<\/td><td>Desgaste moderado, controle de custos<\/td><td>A2, O1, O2, D2<\/td><td>56\u201362 HRC<\/td><td>Resist\u00eancia ao desgaste suficiente sem custos desnecess\u00e1rios de material.<\/td><\/tr><tr><td>Bases de matrizes, recipientes, blocos de suporte<\/td><td>Rachaduras, tens\u00e3o mec\u00e2nica<\/td><td>A2, S1, L6<\/td><td>Dependente da aplica\u00e7\u00e3o<\/td><td>Maior resist\u00eancia e capacidade de suporte.<\/td><\/tr><tr><td>An\u00e9is de contra\u00e7\u00e3o e retentores<\/td><td>Press\u00e3o de ruptura, divis\u00e3o<\/td><td>H11, H13<\/td><td>46\u201348 HRC<\/td><td>Suporte robusto para insertos de alta dureza.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-why-cold-extrusion-dies-need-different-tool-steels\" class=\"wp-block-heading\">Por que as matrizes de extrus\u00e3o a frio precisam de a\u00e7os-ferramenta diferentes?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A extrus\u00e3o a frio for\u00e7a o metal a fluir \u00e0 temperatura ambiente. A matriz deve resistir a altas tens\u00f5es de compress\u00e3o, atrito e press\u00e3o interna. Em aplica\u00e7\u00f5es severas, a tens\u00e3o de compress\u00e3o pode ultrapassar 350 ksi (cerca de 2400 MPa).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Diferentes partes da matriz suportam cargas diferentes.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Risco de falha<\/td><td>Posi\u00e7\u00e3o comum<\/td><td>Requisito de a\u00e7o<\/td><\/tr><tr><td>desgaste abrasivo<\/td><td>Inserir, perfurar, superf\u00edcie de trabalho<\/td><td>Alta dureza e resist\u00eancia ao desgaste com suporte de carboneto<\/td><\/tr><tr><td>Deforma\u00e7\u00e3o pl\u00e1stica<\/td><td>Inserir sob press\u00e3o de conforma\u00e7\u00e3o<\/td><td>Alta resist\u00eancia \u00e0 compress\u00e3o<\/td><\/tr><tr><td>Lascas ou rachaduras<\/td><td>Borda de inser\u00e7\u00e3o, canto vivo, \u00e1rea sem suporte<\/td><td>Maior resist\u00eancia e suporte adequado da matriz.<\/td><\/tr><tr><td>falha de ruptura<\/td><td>Inserir, recipiente, \u00e1rea do anel de encolhimento<\/td><td>Suporte externo resistente e pr\u00e9-tens\u00e3o compressiva.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9 por isso que as matrizes de extrus\u00e3o a frio geralmente utilizam um inserto r\u00edgido juntamente com uma estrutura de suporte externa mais resistente. O inserto suporta o desgaste e a press\u00e3o de conforma\u00e7\u00e3o. A estrutura de suporte reduz o risco de rachaduras, fissuras e rupturas.<\/p>\n\n\n\n<h2 id=\"h-tool-steels-for-cold-extrusion-inserts\" class=\"wp-block-heading\">A\u00e7os para ferramentas de insertos de extrus\u00e3o a frio<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os insertos para extrus\u00e3o a frio precisam apresentar alta dureza, resist\u00eancia \u00e0 compress\u00e3o, resist\u00eancia ao desgaste e estabilidade dimensional. O material ideal para o inserto depende do n\u00edvel de press\u00e3o, do volume de produ\u00e7\u00e3o, do material da pe\u00e7a e do risco de fissuras.<\/p>\n\n\n\n<h3 id=\"h-m2-m4-and-t15-for-severe-cold-extrusion-inserts\" class=\"wp-block-heading\">M2, M4 e T15 para insertos de extrus\u00e3o a frio severo<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os a\u00e7os r\u00e1pidos para ferramentas s\u00e3o excelentes op\u00e7\u00f5es para insertos de extrus\u00e3o a frio em condi\u00e7\u00f5es severas, especialmente para extrus\u00e3o de a\u00e7o. Eles cont\u00eam elementos formadores de carbonetos, como molibd\u00eanio, tungst\u00eanio e van\u00e1dio. Esses carbonetos melhoram a resist\u00eancia ao desgaste e a resist\u00eancia \u00e0 compress\u00e3o.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Grau<\/td><td>Melhor uso<\/td><td>Principal vantagem<\/td><td>Limita\u00e7\u00e3o<\/td><\/tr><tr><td>M2<\/td><td>Insertos para extrus\u00e3o a frio severa<\/td><td>Equil\u00edbrio entre resist\u00eancia \u00e0 compress\u00e3o e resist\u00eancia ao desgaste<\/td><td>Mais caro que os a\u00e7os da s\u00e9rie D<\/td><\/tr><tr><td>M4<\/td><td>Cargas mais pesadas e percursos mais longos<\/td><td>Maior resist\u00eancia ao desgaste do que o M2.<\/td><td>Necessita de um bom suporte para o chip.<\/td><\/tr><tr><td>T15<\/td><td>desgaste abrasivo extremo<\/td><td>Alt\u00edssima dureza e resist\u00eancia ao desgaste.<\/td><td>Mais suscet\u00edvel a rachaduras<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O M2 \u00e9 a op\u00e7\u00e3o de a\u00e7o r\u00e1pido equilibrado. \u00c9 adequado quando o D2 n\u00e3o oferece vida \u00fatil suficiente para a matriz sob alta press\u00e3o ou desgaste intenso.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O M4 \u00e9 utilizado quando o M2 n\u00e3o \u00e9 suficiente. Ele oferece maior resist\u00eancia ao desgaste e \u00e9 adequado para ciclos de produ\u00e7\u00e3o mais longos ou condi\u00e7\u00f5es de extrus\u00e3o mais abrasivas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o T15 \u00e9 a escolha para extrema resist\u00eancia ao desgaste. Ele pode operar com dureza muito alta, geralmente em torno de 65\u201367 HRC. No entanto, a alta dureza tamb\u00e9m aumenta o risco de trincas. Pastilhas de T15 exigem suporte robusto, tratamento t\u00e9rmico preciso e projeto adequado do anel de contra\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os a\u00e7os r\u00e1pidos geralmente devem ser usados como insertos, e n\u00e3o como o corpo inteiro da matriz. Seu valor est\u00e1 concentrado na superf\u00edcie de trabalho.<\/p>\n\n\n\n<h3 id=\"h-d2-d3-and-d4-for-long-run-cold-extrusion-inserts\" class=\"wp-block-heading\">D2, D3 e D4 para insertos de extrus\u00e3o a frio de longa dura\u00e7\u00e3o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/pt\/d-series-tool-steels\/\">S\u00e9rie D<\/a> Os a\u00e7os para trabalho a frio s\u00e3o amplamente utilizados em insertos para extrus\u00e3o a frio. Seu alto teor de carbono e cromo forma carbonetos de cromo duros, que melhoram a resist\u00eancia \u00e0 abras\u00e3o durante o fluxo de metal a frio.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Grau<\/td><td>Melhor uso<\/td><td>Principal vantagem<\/td><td>Limita\u00e7\u00e3o<\/td><\/tr><tr><td>D2<\/td><td>Insertos gerais para extrus\u00e3o a frio de longa dura\u00e7\u00e3o<\/td><td>Bom equil\u00edbrio entre resist\u00eancia ao desgaste, estabilidade e custo.<\/td><td>Menor resist\u00eancia que A2, S1, H11 ou H13.<\/td><\/tr><tr><td>D3<\/td><td>Aplica\u00e7\u00f5es de insertos de alto desgaste<\/td><td>Alta resist\u00eancia \u00e0 abras\u00e3o<\/td><td>Precisa de bom suporte porque a resist\u00eancia \u00e9 limitada.<\/td><\/tr><tr><td>D4<\/td><td>Aplica\u00e7\u00f5es de insertos mais resistentes ao desgaste<\/td><td>Alta dureza e forte resist\u00eancia ao desgaste<\/td><td>N\u00e3o \u00e9 adequado para locais com alto risco de fissuras.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o D2 costuma ser a op\u00e7\u00e3o mais pr\u00e1tica da s\u00e9rie D. Ele oferece boa resist\u00eancia ao desgaste, estabilidade dimensional e custo-benef\u00edcio. Seu comportamento de endurecimento ao ar tamb\u00e9m ajuda a reduzir a distor\u00e7\u00e3o por tratamento t\u00e9rmico em compara\u00e7\u00e3o com a\u00e7os de endurecimento em \u00f3leo ou \u00e1gua.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O D3 \u00e9 adequado quando o desgaste abrasivo \u00e9 o principal modo de falha e o projeto da matriz j\u00e1 controla o risco de fissuras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o D4 pode ser usado quando se necessita de maior dureza e resist\u00eancia ao desgaste. Assim como o D3, ele requer suporte adequado, pois a\u00e7os com alto teor de carbono e cromo n\u00e3o s\u00e3o ideais para condi\u00e7\u00f5es de impacto ou ruptura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quando a press\u00e3o e o desgaste se tornam muito severos para os a\u00e7os da s\u00e9rie D, os a\u00e7os M2, M4 ou T15 s\u00e3o op\u00e7\u00f5es de insertos mais resistentes.<\/p>\n\n\n\n<h3 id=\"h-a2-for-inserts-with-higher-cracking-risk\" class=\"wp-block-heading\">A2 para insertos com maior risco de fissura\u00e7\u00e3o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A2 \u00e9 \u00fatil quando o inserto ainda precisa de resist\u00eancia ao desgaste, mas tamb\u00e9m apresenta um risco maior de rachaduras ou lascas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em compara\u00e7\u00e3o com o D2, o A2 apresenta maior tenacidade, por\u00e9m menor resist\u00eancia \u00e0 abras\u00e3o. Isso o torna adequado para insertos em situa\u00e7\u00f5es onde o D2 pode ser muito fr\u00e1gil, especialmente em cantos vivos, suporte inadequado ou cargas de impacto moderadas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o A2 n\u00e3o \u00e9 a primeira escolha para m\u00e1xima durabilidade. Seu valor reside no equil\u00edbrio entre tenacidade, estabilidade dimensional e resist\u00eancia moderada ao desgaste.<\/p>\n\n\n\n<h3 id=\"h-o1-and-o2-for-less-severe-cold-extrusion\" class=\"wp-block-heading\">O1 e O2 para extrus\u00e3o a frio menos severa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os a\u00e7os O1 e O2 podem ser usados em processos de extrus\u00e3o a frio menos severos ou conforma\u00e7\u00e3o de metais n\u00e3o ferrosos. Eles s\u00e3o mais econ\u00f4micos do que os a\u00e7os r\u00e1pidos e certos a\u00e7os de alta liga para trabalho a frio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o s\u00e3o adequadas para extrus\u00e3o severa de a\u00e7o. Seu papel se d\u00e1 principalmente em aplica\u00e7\u00f5es com cargas moderadas, onde o custo das ferramentas \u00e9 mais importante do que a vida \u00fatil m\u00e1xima da matriz.<\/p>\n\n\n\n<h2 id=\"h-tool-steels-for-aluminum-and-softer-non-ferrous-cold-extrusion\" class=\"wp-block-heading\">A\u00e7os para ferramentas para extrus\u00e3o a frio de alum\u00ednio e metais n\u00e3o ferrosos mais macios<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O alum\u00ednio e outros metais n\u00e3o ferrosos mais macios geralmente exercem cargas menores sobre a matriz do que o a\u00e7o. Essas aplica\u00e7\u00f5es ainda exigem resist\u00eancia ao desgaste, mas podem n\u00e3o justificar o custo dos a\u00e7os r\u00e1pidos.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Condi\u00e7\u00f5es de aplica\u00e7\u00e3o<\/td><td>A\u00e7os adequados para ferramentas<\/td><td>Raz\u00e3o<\/td><\/tr><tr><td>Extrus\u00e3o moderada de metais n\u00e3o ferrosos<\/td><td>O1, O2<\/td><td>Menor custo de ferramentas para trabalhos menos complexos.<\/td><\/tr><tr><td>\u00c9 necess\u00e1rio maior resist\u00eancia e estabilidade.<\/td><td>A2<\/td><td>Equil\u00edbrio entre resist\u00eancia, estabilidade e resist\u00eancia ao desgaste.<\/td><\/tr><tr><td>\u00c9 necess\u00e1rio um ciclo de produ\u00e7\u00e3o mais longo.<\/td><td>D2<\/td><td>Melhor resist\u00eancia ao desgaste e estabilidade dimensional.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A liga A2 costuma ser uma boa escolha quando a matriz precisa de um equil\u00edbrio entre resist\u00eancia, resist\u00eancia ao desgaste e estabilidade dimensional.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O1 e O2 s\u00e3o op\u00e7\u00f5es econ\u00f4micas para condi\u00e7\u00f5es de ferramentas moderadas. P\u00e1gina relacionada: <a href=\"https:\/\/aobosteel.com\/pt\/o1-vs-o2-steel\/\">A\u00e7o ferramenta O1 vs O2: qual a\u00e7o para trabalho a frio escolher?<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o D2 pode ser utilizado quando se necessita de maior resist\u00eancia ao desgaste e vida \u00fatil mais longa. \u00c9 mais adequado do que os a\u00e7os da s\u00e9rie O quando a estabilidade dimensional e a resist\u00eancia \u00e0 abras\u00e3o se tornam mais importantes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para extrus\u00f5es de alum\u00ednio e outros metais n\u00e3o ferrosos mais macios, a melhor escolha nem sempre \u00e9 o a\u00e7o mais duro. O ideal \u00e9 escolher um a\u00e7o que ofere\u00e7a resist\u00eancia suficiente ao desgaste sem custos desnecess\u00e1rios ou risco de fissuras.<\/p>\n\n\n\n<h2 id=\"h-tool-steels-for-die-bases-containers-and-support-components\" class=\"wp-block-heading\">A\u00e7os para ferramentas destinados a bases de matrizes, recipientes e componentes de suporte.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As bases da matriz, os recipientes e os componentes de suporte n\u00e3o desempenham a mesma fun\u00e7\u00e3o que o inserto. Eles sustentam o inserto, suportam a carga de conforma\u00e7\u00e3o e reduzem o risco de fissuras ou rupturas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Essas pe\u00e7as precisam de resist\u00eancia e capacidade de suporte, mais do que m\u00e1xima resist\u00eancia ao desgaste.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Componente<\/td><td>A\u00e7os para ferramentas recomendados<\/td><td>Requisito principal<\/td><\/tr><tr><td>bases de matrizes<\/td><td>A2, S1, L6<\/td><td>Resist\u00eancia e suporte mec\u00e2nico<\/td><\/tr><tr><td>Cont\u00eaineres<\/td><td>A2, L6, H11, H13<\/td><td>Suporte resistente e resist\u00eancia a rachaduras<\/td><\/tr><tr><td>Pe\u00e7as de suporte refor\u00e7adas<\/td><td>S1, L6<\/td><td>Resist\u00eancia a impactos e tens\u00f5es mec\u00e2nicas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A2 \u00e9 \u00fatil quando a parte de suporte ainda precisa de alguma resist\u00eancia ao desgaste, mas tamb\u00e9m precisa de uma tenacidade melhor do que a D2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o S1 \u00e9 um a\u00e7o ferramenta resistente a choques. \u00c9 adequado para componentes expostos a cargas pesadas, impactos ou risco de fissuras. N\u00e3o deve substituir os a\u00e7os M2, M4, T15, D2 ou D4 em insertos de alto desgaste.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o L6 \u00e9 utilizado quando a resist\u00eancia mec\u00e2nica \u00e9 o principal requisito. Ele funciona bem em bases de matrizes, recipientes e componentes de suporte robustos. Embora n\u00e3o seja um a\u00e7o resistente ao desgaste para insertos severos, ele pode ajudar o conjunto da matriz a suportar altas tens\u00f5es mec\u00e2nicas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esses a\u00e7os mais resistentes protegem o conjunto da matriz contra falhas repentinas. Eles s\u00e3o especialmente \u00fateis quando um inserto duro seria muito fr\u00e1gil sem suporte externo.<\/p>\n\n\n\n<h2 id=\"h-h11-and-h13-for-shrink-rings-and-retainers\" class=\"wp-block-heading\">H11 e H13 para An\u00e9is de Contra\u00e7\u00e3o e Retentores<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os an\u00e9is de contra\u00e7\u00e3o e os retentores s\u00e3o essenciais em conjuntos de matrizes de extrus\u00e3o a frio. Eles mant\u00eam o inserto sob compress\u00e3o, reduzindo o risco de fissuras devido \u00e0 press\u00e3o interna.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Grau<\/td><td>Melhor uso<\/td><td>Motivo principal<\/td><\/tr><tr><td>H11<\/td><td>An\u00e9is de contra\u00e7\u00e3o, retentores, pe\u00e7as de suporte resistentes<\/td><td>Alta tenacidade e resist\u00eancia a fissuras<\/td><\/tr><tr><td>H13<\/td><td>An\u00e9is termoencolh\u00edveis, retentores, recipientes<\/td><td>Resist\u00eancia, tenacidade e alta capacidade de endurecimento.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O H11 \u00e9 \u00fatil quando a estrutura de suporte necessita de alta tenacidade e resist\u00eancia a fissuras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o H13 \u00e9 comumente conhecido como um a\u00e7o ferramenta para trabalho a quente, mas tamb\u00e9m apresenta bom desempenho em estruturas de suporte para extrus\u00e3o a frio. Oferece resist\u00eancia, tenacidade e alta temperabilidade, tornando-o adequado para an\u00e9is de contra\u00e7\u00e3o, retentores e recipientes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os a\u00e7os H11 e H13 n\u00e3o foram selecionados por serem mais resistentes ao desgaste do que os a\u00e7os M2 ou D2. Eles foram selecionados por sua capacidade de suportar insertos fr\u00e1geis e de alta dureza sob alta press\u00e3o interna.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\u00e7os-liga de alta resist\u00eancia, como o 4340 e o 6150, tamb\u00e9m s\u00e3o usados em alguns componentes de reten\u00e7\u00e3o, mas n\u00e3o s\u00e3o a\u00e7os-ferramenta. Para um guia de sele\u00e7\u00e3o focado em a\u00e7os-ferramenta, H11 e H13 s\u00e3o recomenda\u00e7\u00f5es mais adequadas. P\u00e1gina relacionada: <a href=\"https:\/\/aobosteel.com\/pt\/h13-vs-h11-tool-steel\/\">A\u00e7o ferramenta H13 vs H11&nbsp;<\/a><\/p>\n\n\n\n<h2 id=\"h-insert-steel-vs-support-steel-the-main-selection-rule\" class=\"wp-block-heading\">A\u00e7o de inser\u00e7\u00e3o versus a\u00e7o de suporte: a principal regra de sele\u00e7\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Matrizes de extrus\u00e3o a frio falham quando o a\u00e7o errado \u00e9 usado na posi\u00e7\u00e3o errada. Os a\u00e7os M2, M4, T15, D2, D3 e D4 oferecem alta resist\u00eancia ao desgaste, mas podem trincar quando usados em posi\u00e7\u00f5es de suporte devido \u00e0 tenacidade insuficiente. Os a\u00e7os S1, L6, H11 e H13 resistem a trincas e rupturas, mas geralmente n\u00e3o conseguem igualar a resist\u00eancia ao desgaste abrasivo dos a\u00e7os r\u00e1pidos ou dos a\u00e7os da s\u00e9rie D.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Se o principal problema for\u2026<\/td><td>Escolha principalmente por\u2026<\/td><td>Melhor Dire\u00e7\u00e3o do A\u00e7o<\/td><\/tr><tr><td>A palmilha se desgasta muito r\u00e1pido.<\/td><td>Resist\u00eancia ao desgaste e dureza<\/td><td>D2, D3, D4, M2, M4, T15<\/td><\/tr><tr><td>A inser\u00e7\u00e3o perde a forma sob press\u00e3o.<\/td><td>resist\u00eancia \u00e0 compress\u00e3o<\/td><td>M2, M4, T15<\/td><\/tr><tr><td>Inserir lascas ou rachaduras<\/td><td>Resist\u00eancia e suporte<\/td><td>A2, melhor suporte da matriz, design adequado do anel de contra\u00e7\u00e3o<\/td><\/tr><tr><td>A matriz se divide ou estoura.<\/td><td>Suporte, for\u00e7a e resist\u00eancia<\/td><td>H11, H13, S1, L6<\/td><\/tr><tr><td>O custo \u00e9 muito alto para trabalhos com metais n\u00e3o ferrosos.<\/td><td>Resist\u00eancia ao desgaste suficiente a um custo menor.<\/td><td>A2, O1, O2, D2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O melhor projeto de matriz de extrus\u00e3o a frio geralmente combina um inserto de alto desempenho com uma estrutura de suporte ainda mais robusta.<\/p>\n\n\n\n<h2 id=\"h-final-recommendation\" class=\"wp-block-heading\">Recomenda\u00e7\u00e3o final<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para insertos de extrus\u00e3o a frio severo, escolha M2, M4 ou T15 quando a resist\u00eancia \u00e0 compress\u00e3o e a resist\u00eancia ao desgaste forem os principais requisitos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para insertos de extrus\u00e3o a frio de longa dura\u00e7\u00e3o em geral, D2, D3 e D4 s\u00e3o op\u00e7\u00f5es pr\u00e1ticas. O D2 oferece o melhor equil\u00edbrio geral, enquanto o D3 e o D4 s\u00e3o op\u00e7\u00f5es mais resistentes quando a abras\u00e3o \u00e9 mais severa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para insertos com maior risco de fissura\u00e7\u00e3o, o a\u00e7o A2 costuma ser mais seguro do que os a\u00e7os da s\u00e9rie D, pois oferece melhor tenacidade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para extrus\u00f5es de alum\u00ednio e outros metais n\u00e3o ferrosos mais macios, os a\u00e7os A2, O1, O2 e D2 podem ser mais econ\u00f4micos do que os a\u00e7os r\u00e1pidos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para matrizes, bases, recipientes, an\u00e9is de contra\u00e7\u00e3o e retentores, utilize a\u00e7os mais resistentes, como A2, S1, L6, H11 e H13.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O segredo n\u00e3o \u00e9 selecionar o a\u00e7o mais duro para todas as pe\u00e7as. Selecione o a\u00e7o com base na posi\u00e7\u00e3o da matriz e no principal risco de falha. A\u00e7os duros controlam o desgaste e a deforma\u00e7\u00e3o. A\u00e7os tenazes controlam rachaduras e rupturas.<\/p>\n\n\n\n<ul class=\"wp-block-yoast-seo-related-links yoast-seo-related-links\">\n<li><a href=\"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-die-casting-cores-and-inserts\/\">Guia de sele\u00e7\u00e3o de a\u00e7os para fundi\u00e7\u00e3o sob press\u00e3o para n\u00facleos e insertos | Fornecimento a granel<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-stamping-dies\/\">Sele\u00e7\u00e3o de a\u00e7o ferramenta para matrizes de estampagem<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/d2-steel-vs-4140\/\">A\u00e7o D2 vs. A\u00e7o 4140: Propriedades, Dureza e Guia de Sele\u00e7\u00e3o | Aobo Steel<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-aluminum-extrusion-dies\/\">Sele\u00e7\u00e3o de a\u00e7o para matrizes de extrus\u00e3o de alum\u00ednio | Fornecedor de a\u00e7o ferramenta H11 vs H12 vs H13<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/selection-of-tool-steels-for-cold-forming-extrusion\/\">Sele\u00e7\u00e3o de a\u00e7os-ferramenta para conforma\u00e7\u00e3o a frio e extrus\u00e3o<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Best Tool Steels for Cold Extrusion Dies For high-pressure cold extrusion inserts, M2, M4, T15, D2, D3, D4, and A2 are common choices. For dies, bases, containers, shrink rings, and retainers, tougher steels such as A2, S1, L6, H11, and H13 are more suitable. The simple rule is to use hard, wear-resistant steels for the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15528,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","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":""},"categories":[22],"tags":[],"class_list":["post-15525","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - 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For dies, bases, containers, shrink rings, and retainers, tougher steels such as A2, S1, L6, H11, and H13 are more suitable. The simple rule is to use hard, wear-resistant steels for the&hellip;","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Cold-Extrusion-Dies-1-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"rttpg_comment":3,"rttpg_category":"<a href=\"https:\/\/aobosteel.com\/pt\/blog\/category\/blog\/\" rel=\"category tag\">Blog<\/a>","rttpg_excerpt":"Best Tool Steels for Cold Extrusion Dies For high-pressure cold extrusion inserts, M2, M4, T15, D2, D3, D4, and A2 are common choices. For dies, bases, containers, shrink rings, and retainers, tougher steels such as A2, S1, L6, H11, and H13 are more suitable. 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