{"id":9712,"date":"2026-01-05T11:42:20","date_gmt":"2026-01-05T03:42:20","guid":{"rendered":"https:\/\/www.cncmachiningshops.com\/?p=9712"},"modified":"2026-01-05T12:01:24","modified_gmt":"2026-01-05T04:01:24","slug":"s50c-steel","status":"publish","type":"post","link":"https:\/\/www.cncmachiningshops.com\/pt\/s50c-steel\/","title":{"rendered":"A\u00e7o S50C: Guia T\u00e9cnico Abrangente sobre Propriedades, Tratamento T\u00e9rmico e Desempenho de Usinagem"},"content":{"rendered":"<div data-page-id=\"QZN4dNeA9olVvLx63RccYfmgn6d\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Quando os engenheiros procuram o a\u00e7o S50C, geralmente querem saber duas coisas: que tipo de a\u00e7o \u00e9 e por que \u00e9 o padr\u00e3o para tantas pe\u00e7as mec\u00e2nicas. Em resumo, o S50C (JIS G4051) \u00e9 um a\u00e7o estrutural de m\u00e9dio carbono de alta qualidade que oferece um bom equil\u00edbrio entre resist\u00eancia, usinabilidade e custo. H\u00e1 muito tempo \u00e9 um material confi\u00e1vel para a engenharia mec\u00e2nica, especialmente na ind\u00fastria manufatureira asi\u00e1tica.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Em termos de classifica\u00e7\u00e3o de materiais, o a\u00e7o carbono S50C est\u00e1 na faixa de m\u00e9dio carbono porque possui cerca de 0,47\u20130,53% de carbono. Isso o coloca em uma boa posi\u00e7\u00e3o entre os a\u00e7os de baixo carbono (como o S20C), que s\u00e3o usados principalmente para conforma\u00e7\u00e3o e soldagem, e os a\u00e7os-ferramenta de alto carbono, que s\u00e3o fabricados para serem muito duros. Por isso, o S50C est\u00e1 em um bom meio-termo: pode ser tratado termicamente (t\u00eampera e revenimento) para se tornar muito mais resistente e duro, mas ainda mant\u00e9m boa tenacidade e pode ser usinado. Os engenheiros gostam dessa previsibilidade porque ela permite ajustar o desempenho com base nas necessidades de carga, fadiga e desgaste, sem precisar usar a\u00e7os ligados caros.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O que \u00e9 o A\u00e7o S50C? \u2014 Classifica\u00e7\u00e3o, Normas e Equivalentes Globais<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A Norma Industrial Japonesa (JIS G4051) define o a\u00e7o S50C como um a\u00e7o estrutural de m\u00e9dio carbono, n\u00e3o ligado. \u00c9 frequentemente utilizado para pe\u00e7as mec\u00e2nicas que necessitam de um bom equil\u00edbrio entre resist\u00eancia e resposta ao tratamento t\u00e9rmico, sem a dificuldade adicional dos a\u00e7os ligados.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O \u201cS\u201d na S\u00e9rie \u201cS\u201d da JIS G4051 significa a\u00e7o carbono estrutural, que \u00e9 usado para pe\u00e7as mec\u00e2nicas que precisam suportar peso, em vez de fabrica\u00e7\u00e3o de chapas.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O que significa o \u201c50\u201d:<\/span><\/strong><span class=\"ng-star-inserted\"> O n\u00famero 50 significa que o teor de carbono \u00e9 de cerca de 0,50%. Esse n\u00edvel espec\u00edfico de carbono \u00e9 importante porque permite grandes aumentos de dureza por meio de t\u00eampera e revenimento. Isso torna o a\u00e7o mais resistente que os a\u00e7os de baixo carbono, mantendo ainda facilidade de trabalho.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Posicionamento na Engenharia:<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Utilizado para eixos, pinos, engrenagens e bases de m\u00e1quinas, \u00e9 um a\u00e7o estrutural.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A\u00e7o que pode ser tratado termicamente: T\u00eampera e Revenimento (Q&amp;T) ou T\u00eampera por Indu\u00e7\u00e3o podem alterar suas propriedades.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A\u00e7o Carbono N\u00e3o Ligado: O carbono, e n\u00e3o elementos de liga como cromo ou molibd\u00eanio, \u00e9 o que o faz funcionar.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Normas Internacionais e Graus Equivalentes<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O S50C est\u00e1 dispon\u00edvel em todo o mundo em diferentes normas, mas todas t\u00eam finalidades qu\u00edmicas e mec\u00e2nicas muito semelhantes. Esses graus s\u00e3o geralmente considerados equivalentes de engenharia, embora as composi\u00e7\u00f5es exatas possam variar ligeiramente conforme a especifica\u00e7\u00e3o.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tabela 1: Equivalentes Globais para o A\u00e7o S50C<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Sistema padr\u00e3o<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Designa\u00e7\u00e3o do Grau<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Notas<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">JIS (Jap\u00e3o)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">S50C<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A norma de refer\u00eancia \u00e9 a JIS G4051.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">ASTM \/ SAE (EUA)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">AISI 1050<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00c9 o equivalente de m\u00e9dio carbono padr\u00e3o na Am\u00e9rica do Norte.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">EN (Europa)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">C50 \/ 1.0540<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Muitos carros e m\u00e1quinas na Europa usam este a\u00e7o.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">DIN (Alemanha)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">CK50<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00c9 um a\u00e7o carbono de alta qualidade.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">GB (China)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">50#<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00c9 o mesmo que o GB na China.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Lembrete de Engenharia:<\/span><\/strong><span class=\"ng-star-inserted\"> \u201cOs graus \u201dequivalentes\" s\u00e3o funcionalmente semelhantes, mas a forma como respondem ao tratamento t\u00e9rmico e seu n\u00edvel de limpeza podem variar ligeiramente conforme a norma e o produtor. Sempre verifique a escolha final do material em rela\u00e7\u00e3o \u00e0 certifica\u00e7\u00e3o espec\u00edfica do fabricante para pe\u00e7as cr\u00edticas para seguran\u00e7a ou fadiga.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Composi\u00e7\u00e3o Qu\u00edmica do A\u00e7o S50C e Papel de Cada Elemento<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A estrutura \u00e0 base de carbono do a\u00e7o S50C \u00e9 o que principalmente afeta seu comportamento na engenharia. O mangan\u00eas e o sil\u00edcio auxiliam. O S50C, por outro lado, tem uma qu\u00edmica limpa e simples que lhe confere resist\u00eancia previs\u00edvel. Os a\u00e7os ligados, por sua vez, dependem de muitos elementos de liga diferentes para funcionar bem.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tabela 2: Composi\u00e7\u00e3o qu\u00edmica t\u00edpica (wt.%)<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Elemento<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Gama normal<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Prop\u00f3sito de Engenharia<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Carbono (C)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">0.47\u20130.53<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O principal elemento que torna as coisas resistentes, duras e capazes de responder ao tratamento t\u00e9rmico.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Mangan\u00eas (Mn)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">0.60\u20130.90<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Torna as coisas mais duras e resistentes.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Sil\u00edcio (Si)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">0.15-0.35<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Remove o oxig\u00eanio e adiciona um pouco de resist\u00eancia.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">F\u00f3sforo (P)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2264 0,030<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Uma impureza que \u00e9 mantida sob controle para evitar quebras.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Enxofre (S)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2264 0,035<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Impureza (torna o trabalho mais dif\u00edcil e reduz a tenacidade).<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Teor de Carbono (~0,50%): O Equil\u00edbrio entre Resist\u00eancia e Ductilidade<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O principal fator que destaca o S50C \u00e9 seu teor de carbono de ~0,51%.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Se o n\u00edvel de C for inferior a 0,31%, a t\u00eampera s\u00f3 torna as coisas um pouco mais duras.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acima de 0,61% de C: A tenacidade e a usinabilidade diminuem muito.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Com 0,50% de C, o S50C obt\u00e9m uma forte resposta martens\u00edtica ap\u00f3s a t\u00eampera, o que o torna muito mais duro sem torn\u00e1-lo excessivamente fr\u00e1gil. \u00c9 por isso que \u00e9 a escolha padr\u00e3o para engrenagens, pinos e eixos que precisam de mais resist\u00eancia que o a\u00e7o de baixo carbono, mas n\u00e3o o suficiente para justificar o custo de a\u00e7os ligados como o 4140.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Fundamentos da Microestrutura: Por que o S50C se Comporta Dessa Maneira<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A evolu\u00e7\u00e3o microestrutural do a\u00e7o S50C sob diversas condi\u00e7\u00f5es de processamento elucida seu comportamento mec\u00e2nico.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Microestrutura como Laminado \/ Normalizado<\/span><\/strong><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">No estado normalizado, o S50C possui uma microestrutura composta por Ferrita e Perlita.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A ferrita \u00e9 uma fase macia e d\u00factil que torna os materiais mais tenazes e f\u00e1ceis de trabalhar.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A perlita \u00e9 uma mistura lamelar de ferrita e cementita que torna os materiais resistentes e \u00e0 prova de desgaste.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Como o S50C tem cerca de 0,5% de carbono, a fra\u00e7\u00e3o de perlita \u00e9 relativamente alta. Isso confere ao S50C normalizado um equil\u00edbrio natural entre resist\u00eancia e usinabilidade, o que o torna a melhor condi\u00e7\u00e3o para usinagem geral antes do tratamento t\u00e9rmico.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Microestrutura Temperada e Revenida<\/span><\/strong><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Quando o S50C \u00e9 temperado, a austenita se transforma em Martensita, que \u00e9 uma fase muito dura, muito tensionada, que torna o a\u00e7o muito duro.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Como temperado: duro, mas quebra facilmente.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Quando voc\u00ea o reaquece, a estrutura se transforma em Martensita Revenida, o que faz com que os carbonetos se formem e alivia as tens\u00f5es internas. Isso obt\u00e9m a combina\u00e7\u00e3o certa de dureza e tenacidade para cargas din\u00e2micas.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Conclus\u00f5es da engenharia:<\/span><\/strong><span class=\"ng-star-inserted\"> O funcionamento do S50C \u00e9 f\u00e1cil de entender: Ferrita\/Perlita para usinagem, Martensita para dureza e Martensita Revenida para servi\u00e7o.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Propriedades Mec\u00e2nicas e F\u00edsicas do A\u00e7o S50C<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Dependendo de como \u00e9 processado, o S50C tem propriedades muito diferentes. \u00c9 exatamente por isso que o S50C \u00e9 t\u00e3o popular: os engenheiros podem alterar sua resist\u00eancia aquecendo-o.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tabela 3: As propriedades mec\u00e2nicas de diferentes condi\u00e7\u00f5es<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Estado<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resist\u00eancia \u00e0 tra\u00e7\u00e3o (MPa)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resist\u00eancia ao escoamento (MPa)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Alongamento (%)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Dureza (HB)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Contexto de Engenharia<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Como Laminado<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~600\u2013700<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~350\u2013400<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">14\u201318<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">170\u2013210<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Esta \u00e9 a condi\u00e7\u00e3o padr\u00e3o de fornecimento. Boa para estrutura geral.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Normalizado<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">650 a 750<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">380 a 430<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">14 a 17<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">180 a 220<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Propriedades uniformes; melhor ponto de partida para usinagem.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">T&amp;R<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~850\u20131000+<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~600\u2013750<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">10\u201314<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">240\u2013300<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Alta resist\u00eancia para engrenagens e eixos.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Propriedades F\u00edsicas<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">7,85 g\/cm\u00b3 de densidade<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O m\u00f3dulo de elasticidade \u00e9 de 205 GPa, o que \u00e9 normal para o a\u00e7o.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Expans\u00e3o T\u00e9rmica: cerca de 11,5 \u00b5m\/m\u00b7\u00b0C. Deve ser levada em considera\u00e7\u00e3o para ajustes precisos.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tratamento T\u00e9rmico do A\u00e7o S50C: Processos, Par\u00e2metros e Otimiza\u00e7\u00e3o<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O S50C se transforma em um material de engenharia quando \u00e9 tratado termicamente. O controle do processo \u00e9 muito importante porque seu desempenho \u00e9 baseado no carbono.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Recozimento e Normaliza\u00e7\u00e3o<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Recozimento (cerca de 750\u2013800\u00b0C): Torna o a\u00e7o mais macio para que possa ser trabalhado ou conformado a frio facilmente.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Normaliza\u00e7\u00e3o (cerca de 830\u2013870\u00b0C): Melhora a estrutura do gr\u00e3o. As pessoas frequentemente fazem isso ap\u00f3s o forjamento para garantir que as propriedades sejam as mesmas antes da usinagem.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">T\u00eampera e Revenimento (Q&amp;T)<\/span><\/strong><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Esta \u00e9 a maneira usual de endurecer o S50C.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">T\u00eampera: Aquecer a cerca de 820\u2013860\u00b0C.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">T\u00eampera em \u00c1gua: A mais dura, mas tamb\u00e9m \u00e9 muito prov\u00e1vel que rache ou empena.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">T\u00eampera em \u00d3leo: As pe\u00e7as ficam um pouco menos duras, mas \u00e9 muito mais seguro para pe\u00e7as complicadas. A maioria das pe\u00e7as mec\u00e2nicas de S50C se sai melhor quando s\u00e3o temperadas em \u00f3leo.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Para torn\u00e1-lo tenaz novamente, reaque\u00e7a-o a 550\u2013650\u00b0C. Para pe\u00e7as de desgaste, temperaturas de revenimento mais baixas as tornam mais duras, enquanto temperaturas mais altas as tornam mais tenazes (para pe\u00e7as estruturais).<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">T\u00eampera por Indu\u00e7\u00e3o<\/span><\/strong><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A T\u00eampera por Indu\u00e7\u00e3o funcionaria muito bem com o S50C.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Processo: Aquecer a superf\u00edcie com alta frequ\u00eancia e depois pulveriz\u00e1-la com \u00e1gua fria.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O resultado \u00e9 um n\u00facleo tenaz e d\u00factil e uma superf\u00edcie dura e resistente ao desgaste (50\u201355 HRC). \u00d3timo para engrenagens, hastes guia e eixos lineares.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Conclus\u00f5es da engenharia:<\/span><\/strong><span class=\"ng-star-inserted\"> O tratamento t\u00e9rmico do S50C \u00e9 tudo sobre gerenciar riscos. A t\u00eampera em \u00f3leo reduz a distor\u00e7\u00e3o, e a t\u00eampera por indu\u00e7\u00e3o coloca a resist\u00eancia exatamente onde \u00e9 necess\u00e1ria.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Usinabilidade e Considera\u00e7\u00f5es de Fabrica\u00e7\u00e3o para o A\u00e7o S50C<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O S50C \u00e9 frequentemente chamado de \u201cf\u00e1cil de usinar\u201d, mas qu\u00e3o f\u00e1cil \u00e9 usin\u00e1-lo depende muito das condi\u00e7\u00f5es.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">CNC Desempenho de Usinagem<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Recozido\/Normalizado: As m\u00e1quinas de S50C funcionam como esperado. Ele produz cavacos o tempo todo. Ferramentas de metal duro s\u00e3o padr\u00e3o, mas ferramentas de a\u00e7o r\u00e1pido tamb\u00e9m podem ser usadas para trabalhos que n\u00e3o precisam ser feitos rapidamente.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Temperado e revenido: Quanto mais duro fica, mais dif\u00edcil \u00e9 trabalhar com ele. Acima de cerca de 30 HRC, ferramentas de metal duro s\u00e3o necess\u00e1rias, e as velocidades de corte devem ser reduzidas para evitar que as ferramentas fiquem muito quentes e se desgastem.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">L\u00f3gica da Sequ\u00eancia de Fabrica\u00e7\u00e3o<\/span><\/strong><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A melhor maneira de trabalhar com pe\u00e7as de precis\u00e3o \u00e9 a seguinte:<\/span><\/p>\n<ol class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Usinagem Bruta: Remover muito material que est\u00e1 em estado normal.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tratamento T\u00e9rmico: Temperar e revenir para obter as propriedades certas.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acabamento em M\u00e1quina\/Ret\u00edfica: Obtenha as toler\u00e2ncias finais. Isso elimina qualquer distor\u00e7\u00e3o causada pelo tratamento t\u00e9rmico.<\/span><\/p>\n<\/li>\n<\/ol>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Notas sobre Soldabilidade e Fabrica\u00e7\u00e3o<\/span><\/strong><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00c9 dif\u00edcil soldar o S50C. Ele cont\u00e9m cerca de 0,50% de carbono, o que o torna propenso a trincas a frio e favorece a forma\u00e7\u00e3o de martensita fr\u00e1gil na Zona Afetada pelo Calor (ZAC).<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Diretrizes de Soldagem<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O pr\u00e9-aquecimento \u00e9 muito importante. Para reduzir a taxa de resfriamento, pr\u00e9-aque\u00e7a a pe\u00e7a a 150\u2013250 \u00b0C.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O PWHT, ou tratamento t\u00e9rmico p\u00f3s-soldagem, \u00e9 altamente recomendado logo ap\u00f3s a soldagem para evitar que o metal trinque.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Material de adi\u00e7\u00e3o: Use eletrodos com baixo teor de hidrog\u00eanio.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Recomenda\u00e7\u00e3o de Projeto:<\/span><\/strong><span class=\"ng-star-inserted\"> Se voc\u00ea precisar fazer muita soldagem, considere usar um a\u00e7o com menor teor de carbono como o S20C ou o S45C (que \u00e9 um pouco melhor) ou um a\u00e7o liga desenvolvido para soldagem. O S50C geralmente deve ser fixado com parafusos ou pinos, n\u00e3o soldado.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">S50C vs Outros A\u00e7os de M\u00e9dio Carbono (Compara\u00e7\u00e3o de Engenharia)<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Para escolher o a\u00e7o certo, voc\u00ea precisa conhecer as diferen\u00e7as entre os graus similares.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">S50C vs S45C<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Carbono: O S50C tem um pouco mais de carbono que o S45C (cerca de 0,50% vs. 0,45%).<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Desempenho: Ap\u00f3s o tratamento t\u00e9rmico, o S50C torna-se mais duro e mais resistente ao desgaste. O S45C \u00e9 um pouco mais f\u00e1cil de usinar e mais tenaz.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Escolha o S50C para pe\u00e7as que se desgastam e o S45C para eixos em geral.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">S50C vs AISI 1045<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O AISI 1045 \u00e9 o equivalente americano mais pr\u00f3ximo.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">A diferen\u00e7a \u00e9 que o AISI 1045 geralmente tem uma faixa de carbono mais ampla (0,43\u20130,50%). O S50C \u00e9 frequentemente produzido segundo padr\u00f5es japoneses mais rigorosos de limpeza e consist\u00eancia.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Guia de Sele\u00e7\u00e3o por Carga e Custo<\/span><\/strong><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tabela 4: Matriz de Sele\u00e7\u00e3o<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Prioridade de Projeto<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Grau Sugerido<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Justificativa<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Menor Custo<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">S45C \/ 1045<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00c9 um grau comercial amplamente dispon\u00edvel.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Maior Resist\u00eancia ao Desgaste\/Resist\u00eancia Mec\u00e2nica<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">S50C \/ 1050<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tem mais resist\u00eancia ao desgaste e resist\u00eancia mec\u00e2nica porque tem mais carbono, o que o torna mais duro.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Se\u00e7\u00e3o Espessa (&gt;50mm)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">4140 (Liga)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O S50C n\u00e3o consegue temperar pe\u00e7as espessas com mais de 50 mm de espessura.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Soldagem Intensiva<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">S20C \/ 1018<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Solde bastante o S20C e o 1018, mas n\u00e3o solde o S50C.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Aplica\u00e7\u00f5es T\u00edpicas de Engenharia do A\u00e7o S50C<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O fato de o S50C ser um a\u00e7o estrutural ajust\u00e1vel se reflete em sua variedade de usos.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Pe\u00e7as para autom\u00f3veis: pe\u00e7as de embreagem, bra\u00e7os e bielas.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Eixos de transmiss\u00e3o, semieixos e fusos s\u00e3o todos tipos de eixos de m\u00e1quinas.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Engrenagens e rodas dentadas s\u00e3o pe\u00e7as que transmitem pot\u00eancia em n\u00edvel de servi\u00e7o m\u00e9dio.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Bases de Moldes: S\u00e3o muito utilizadas para as placas estruturais de moldes de inje\u00e7\u00e3o pl\u00e1stica, onde a estabilidade \u00e9 mais importante que a dureza.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Colunas e Pinos Guia: Retificados e endurecidos a um alto n\u00edvel de precis\u00e3o para alinhamento.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resumo \u2014 Considera\u00e7\u00f5es de Engenharia para o A\u00e7o S50C<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">O a\u00e7o S50C \u00e9 um bom material de engenharia de m\u00e9dio carbono que tamb\u00e9m \u00e9 barato.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Pode ser usado de muitas maneiras, preenchendo a lacuna entre os a\u00e7os de baixo carbono macios e os a\u00e7os liga dispendiosos.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Trat\u00e1vel Termicamente: Seu principal valor \u00e9 que pode ser temperado e revenido para torn\u00e1-lo mais resistente ou temperado por indu\u00e7\u00e3o para torn\u00e1-lo mais resistente ao desgaste.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Fabric\u00e1vel: No estado normalizado, \u00e9 f\u00e1cil de usinar.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Limita\u00e7\u00f5es: N\u00e3o resiste \u00e0 corros\u00e3o e n\u00e3o solda bem. N\u00e3o consegue atingir endurecimento pleno em se\u00e7\u00f5es espessas como os a\u00e7os liga.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Os engenheiros podem usar o S50C para fabricar pe\u00e7as de m\u00e1quinas fortes, confi\u00e1veis e econ\u00f4micas se estiverem cientes dessas limita\u00e7\u00f5es.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Perguntas frequentes<\/span><\/h2>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">P: O a\u00e7o S50C \u00e9 mais resistente que o S45C?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">R: N\u00e3o \u201cmelhor\u201d, mas mais duro. O S50C tem mais carbono, o que torna a superf\u00edcie mais dura e mais resistente ao desgaste. O S45C \u00e9 um pouco mais tenaz e mais f\u00e1cil de usinar. Use o S50C para pe\u00e7as que se desgastam e o S45C para pe\u00e7as estruturais.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Q: Is it possible to use S50C to make knives?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">A: Yes, it can, but it&#8217;s not the best way. It can be hardened, but it doesn&#8217;t have the carbon content (usually &gt;0.6%) needed for a really sharp, long-lasting cutting edge like high-carbon tool steels do. It works better with hammers and axes, which are impact tools.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Q: Does S50C rust?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">A: Yes. There is no chromium in this plain carbon steel. To keep it from rusting, it needs to be oiled, painted, plated, or coated with black oxide.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Q: How hard can S50C get at its hardest?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">A: After being quenched in water, the surface can reach about 55\u201360 HRC. But to keep it from becoming brittle, it is usually tempered back to 45\u201350 HRC (or lower).<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Q: Can S50C be used to make molds?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">A: Yes. It is the standard material for Mold Bases (the mold&#8217;s structural frame) and for molding plastics that don&#8217;t scratch easily and don&#8217;t need a long mold life. People don&#8217;t often use it for the cavity or core of high-precision molds.<\/span><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Quando os engenheiros procuram o a\u00e7o S50C, geralmente querem saber duas coisas: que tipo de a\u00e7o \u00e9 e por que \u00e9 o padr\u00e3o para tantas pe\u00e7as mec\u00e2nicas.<\/p>","protected":false},"author":1,"featured_media":9804,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9712","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>S50C Steel: Properties, Heat Treatment &amp; Machining Guide<\/title>\n<meta name=\"description\" content=\"In-depth technical guide to S50C carbon steel, 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