{"id":11768,"date":"2025-12-29T10:33:52","date_gmt":"2025-12-29T02:33:52","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11768"},"modified":"2026-04-01T11:17:53","modified_gmt":"2026-04-01T03:17:53","slug":"selection-of-tool-steel-for-powder-compaction-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-powder-compaction-dies\/","title":{"rendered":"Sele\u00e7\u00e3o de a\u00e7os-ferramenta para matrizes de compacta\u00e7\u00e3o de p\u00f3 | D2, M2, A2, S7"},"content":{"rendered":"<div class=\"wp-block-uagb-container uagb-block-5c088cea alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h1 class=\"wp-block-heading\" id=\"h-tool-steel-selection-for-powder-compaction-dies\">Sele\u00e7\u00e3o de a\u00e7o ferramenta para matrizes de compacta\u00e7\u00e3o de p\u00f3<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">As matrizes de compacta\u00e7\u00e3o de p\u00f3 operam sob alta tens\u00e3o compressiva combinada com contato abrasivo cont\u00ednuo. Durante a prensagem, a ferramenta deve manter a precis\u00e3o dimensional sob carga, enquanto durante a eje\u00e7\u00e3o, ela \u00e9 submetida a atrito e tens\u00e3o de tra\u00e7\u00e3o adicional.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na produ\u00e7\u00e3o, a vida \u00fatil das ferramentas \u00e9 normalmente limitada por um dos tr\u00eas mecanismos: desgaste abrasivo causado por part\u00edculas de p\u00f3, deforma\u00e7\u00e3o pl\u00e1stica sob carga ou fissuras durante a remo\u00e7\u00e3o do material. A sele\u00e7\u00e3o do material \u00e9, portanto, definida por qual desses modos de falha ocorre primeiro e limita a vida \u00fatil.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Princ\u00edpio de Sele\u00e7\u00e3o Principal<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A sele\u00e7\u00e3o do a\u00e7o ferramenta para matrizes de compacta\u00e7\u00e3o de p\u00f3 depende de como a ferramenta responde \u00e0 carga, abras\u00e3o e tens\u00e3o c\u00edclica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quando o desgaste abrasivo predomina, a superf\u00edcie da matriz perde gradualmente a precis\u00e3o dimensional. Quando a resist\u00eancia \u00e0 compress\u00e3o \u00e9 insuficiente, os pun\u00e7\u00f5es e as hastes do n\u00facleo come\u00e7am a deformar-se sob cargas repetidas. Quando a tenacidade \u00e9 inadequada, ocorrem fissuras durante a eje\u00e7\u00e3o, muitas vezes antes que o desgaste se torne percept\u00edvel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na maioria das aplica\u00e7\u00f5es, um desses mecanismos controla a vida \u00fatil da ferramenta. A sele\u00e7\u00e3o deve se concentrar em abordar esse comportamento de falha espec\u00edfico, em vez de equilibrar todas as propriedades igualmente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sele\u00e7\u00e3o de materiais com base nas condi\u00e7\u00f5es de aplica\u00e7\u00e3o<\/h2>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8c2f097b\">\n<h3 class=\"wp-block-heading\" id=\"h-d2-1-279-skd11-d3-1-2080-skd1\">D2(1.279\/SKD11) \/ D3(1.2080\/SKD1)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os moldes D2 e D3 s\u00e3o utilizados quando a vida \u00fatil da matriz \u00e9 limitada pelo desgaste superficial causado por part\u00edculas de p\u00f3 duro. Seu alto teor de carboneto reduz o desgaste e ajuda a manter a precis\u00e3o dimensional durante a produ\u00e7\u00e3o cont\u00ednua.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u00e3o mais eficazes em insertos de matrizes operando sob condi\u00e7\u00f5es de carga est\u00e1veis. Assim que come\u00e7am a aparecer fissuras durante a eje\u00e7\u00e3o ou quando a tens\u00e3o de tra\u00e7\u00e3o afeta pun\u00e7\u00f5es e hastes de n\u00facleo, esses a\u00e7os deixam de prolongar a vida \u00fatil da ferramenta e devem ser substitu\u00eddos por a\u00e7os de maior tenacidade.<\/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 has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta agora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento do a\u00e7o ferramenta D2\/D3.<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8c2f097b\">\n<h3 class=\"wp-block-heading\" id=\"h-m2-tool-steel-1-3343-skh51\">A\u00e7o para ferramentas M2 | 1.3343 | SKH51 <\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A liga M2 \u00e9 aplicada onde as ferramentas precisam resistir tanto a altas tens\u00f5es de compress\u00e3o quanto ao desgaste. Isso \u00e9 particularmente relevante para pun\u00e7\u00f5es e hastes de n\u00facleo, que suportam toda a carga de compacta\u00e7\u00e3o e s\u00e3o expostas ao atrito durante a remo\u00e7\u00e3o da camada superficial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esses a\u00e7os s\u00e3o utilizados quando ocorrem deforma\u00e7\u00f5es, flex\u00f5es ou perda de estabilidade dimensional sob ciclos repetidos. Nessas condi\u00e7\u00f5es, aumentar a resist\u00eancia \u00e0 compress\u00e3o torna-se mais eficaz do que aumentar o teor de carbonetos.<\/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 has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta agora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/m2-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento do M2<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8c2f097b\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-a2-tool-steel-1-2363-skd12\">A\u00e7o ferramenta AISI A2 | 1.2363 | SKD12<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O material A2 \u00e9 selecionado quando desgaste, deforma\u00e7\u00e3o e fissuras est\u00e3o presentes, mas nenhum deles predomina claramente. Ele oferece um equil\u00edbrio entre tenacidade e resist\u00eancia ao desgaste, sendo adequado para aplica\u00e7\u00f5es que exigem tanto estabilidade de borda quanto resist\u00eancia a fissuras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9 frequentemente utilizado em constru\u00e7\u00f5es de matrizes s\u00f3lidas ou onde a redu\u00e7\u00e3o do risco de fissuras \u00e9 t\u00e3o importante quanto o controle do desgaste.<\/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 has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta agora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--3\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento do a\u00e7o ferramenta A2.<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8c2f097b\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-s7-tool-steel-1-2355\">A\u00e7o ferramenta AISI S7 | 1.2355<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o S7 \u00e9 utilizado quando as ferramentas falham por meio de rachaduras, lascas ou quebras repentinas, especialmente durante a eje\u00e7\u00e3o. Sua alta tenacidade permite absorver tens\u00f5es de tra\u00e7\u00e3o e c\u00edclicas que ocorrem quando o compacto \u00e9 removido da matriz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quando as ferramentas falham antes que um desgaste significativo seja observado, aumentar a tenacidade torna-se mais eficaz do que aumentar a dureza. Nesses casos, o a\u00e7o S7 oferece uma solu\u00e7\u00e3o mais adequada, apesar de sua menor resist\u00eancia \u00e0 abras\u00e3o.<\/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 has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta agora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--4\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel\/\" style=\"background-color:#ffffff00\">Veja os detalhes de fornecimento do a\u00e7o ferramenta S7.<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00f3gica de Sele\u00e7\u00e3o Pr\u00e1tica<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A sele\u00e7\u00e3o de materiais torna-se simples quando baseada no comportamento de falha observado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se as superf\u00edcies da matriz perderem precis\u00e3o devido \u00e0 abras\u00e3o, devem ser usados os materiais D2 ou D3. Se os pun\u00e7\u00f5es se deformarem sob carga, os materiais M2 ou M4 s\u00e3o mais adequados. Se ocorrerem fissuras ou quebras durante a eje\u00e7\u00e3o, \u00e9 necess\u00e1rio o material S7. Quando nenhuma dessas condi\u00e7\u00f5es for predominante e v\u00e1rios modos de falha ocorrerem simultaneamente, o material A2 oferece uma solu\u00e7\u00e3o equilibrada.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tabela Resumo<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>A\u00e7o ferramenta de alta qualidade<\/td><td>Dureza de trabalho t\u00edpica<\/td><td>Principal motivo de sele\u00e7\u00e3o<\/td><\/tr><tr><td>D2 \/ D3<\/td><td>60\u201364 HRC<\/td><td>Resist\u00eancia ao desgaste em contato com p\u00f3 abrasivo<\/td><\/tr><tr><td>M2 \/ M4<\/td><td>62\u201366 HRC<\/td><td>Resist\u00eancia \u00e0 compress\u00e3o e ao desgaste para pun\u00e7\u00f5es<\/td><\/tr><tr><td>A2<\/td><td>58\u201362 HRC<\/td><td>Desempenho equilibrado em condi\u00e7\u00f5es mistas.<\/td><\/tr><tr><td>S7<\/td><td>56\u201358 HRC<\/td><td>Resist\u00eancia para evitar rachaduras e quebras.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Conclus\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-\">A sele\u00e7\u00e3o da matriz de compacta\u00e7\u00e3o de p\u00f3 deve ser baseada no modo de falha predominante observado na produ\u00e7\u00e3o. Desgaste, deforma\u00e7\u00e3o e fissura\u00e7\u00e3o exigem respostas diferentes do material, e a sele\u00e7\u00e3o do a\u00e7o correto depende da identifica\u00e7\u00e3o do mecanismo que limita a vida \u00fatil da ferramenta.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Tool Steel Selection for Powder Compaction Dies Powder compaction dies operate under high compressive stress combined with continuous abrasive contact. During pressing, the tooling must maintain dimensional accuracy under load, while during ejection, it is subjected to friction and additional tensile stress. In production, tool life is typically limited by one of three mechanisms: abrasive [&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":"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":"","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-11768","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tool Steel Selection for Powder Compaction Dies | D2, M2, A2, S7<\/title>\n<meta name=\"description\" content=\"Select the appropriate tool steel for powder-compaction dies based on wear, deformation, and cracking conditions. 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