{"id":3033,"date":"2021-01-21T09:23:44","date_gmt":"2021-01-21T08:23:44","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3033"},"modified":"2025-09-29T10:21:31","modified_gmt":"2025-09-29T08:21:31","slug":"esferas-de-aco-inoxidavel-endurecido-aisi-420c","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/pt-pt\/produtos\/esferas-de-aco-inoxidavel\/esferas-de-aco-inoxidavel-endurecido-aisi-420c\/","title":{"rendered":"Esferas de a\u00e7o inoxid\u00e1vel endurecido AISI 420C"},"content":{"rendered":"<h2>AISI 420C, W 1.3541, X47Cr14<\/h2>\n<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Stainless_steel\">Esferas de a\u00e7o inoxid\u00e1vel (AISI 420C) \u2013 componentes de precis\u00e3o de alto desempenho<\/a><\/h2>\n<p>As esferas de a\u00e7o inoxid\u00e1vel AISI 420C s\u00e3o componentes de precis\u00e3o de alta qualidade, conhecidas pela excelente dureza, resist\u00eancia ao desgaste e resist\u00eancia \u00e0 corros\u00e3o moderada. Produzidas em inox martens\u00edtico com alto teor de carbono e cromo, podem ser endurecidas por tratamento t\u00e9rmico para alcan\u00e7ar for\u00e7a e durabilidade not\u00e1veis. S\u00e3o amplamente utilizadas em rolamentos, v\u00e1lvulas, instrumentos e aplica\u00e7\u00f5es que exigem combina\u00e7\u00e3o de tenacidade e resist\u00eancia ao desgaste.<\/p>\n<h3>\ud83d\udd27 Especifica\u00e7\u00f5es t\u00e9cnicas principais<\/h3>\n<ul>\n<li><strong>Composi\u00e7\u00e3o<\/strong>: Cromo 12\u201314 %, Carbono 0.95\u20131.20 %, Mangan\u00eas \u22641 %, Sil\u00edcio \u22641 %, tra\u00e7os de P, S<\/li>\n<li><strong>Estrutura<\/strong>: A\u00e7o inoxid\u00e1vel martens\u00edtico, temperado e revenido<\/li>\n<li><strong>Dureza<\/strong>: Rockwell C 52\u201360 (ap\u00f3s tratamento t\u00e9rmico)<\/li>\n<li><strong>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/strong>: \u2248 2,000 MPa (290,000 psi)<\/li>\n<li><strong>Densidade<\/strong>: ~7.70 g\/cm\u00b3<\/li>\n<li><strong>Resist\u00eancia \u00e0 corros\u00e3o<\/strong>: Boa em \u00e1gua doce, vapor, \u00e1cidos leves e ambientes alimentares; n\u00e3o recomendado para condi\u00e7\u00f5es marinhas ou ricas em cloretos<\/li>\n<li><strong>Propriedades magn\u00e9ticas<\/strong>: Magn\u00e9ticas em todas as condi\u00e7\u00f5es<\/li>\n<\/ul>\n<h3>\u2705 Vantagens<\/h3>\n<ul>\n<li><strong>Alta dureza<\/strong>: Excelente desempenho sob alto desgaste e tens\u00e3o<\/li>\n<li><strong>Boa resist\u00eancia \u00e0 corros\u00e3o<\/strong>: Adequadas para ambientes moderados com umidade e produtos qu\u00edmicos leves<\/li>\n<li><strong>Durabilidade<\/strong>: Longa vida \u00fatil quando devidamente tratadas termicamente<\/li>\n<li><strong>Propriedades magn\u00e9ticas<\/strong>: \u00dateis em aplica\u00e7\u00f5es industriais e mec\u00e2nicas espec\u00edficas<\/li>\n<li><strong>Alternativa econ\u00f4mica<\/strong>: Mais acess\u00edveis que a\u00e7os inoxid\u00e1veis mais ligados<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u00e7\u00f5es das esferas de a\u00e7o inoxid\u00e1vel<\/h3>\n<ul>\n<li><strong>Rolamentos<\/strong>: Elementos rolantes de alta precis\u00e3o para aplica\u00e7\u00f5es exigentes<\/li>\n<li><strong>V\u00e1lvulas<\/strong>: Componentes confi\u00e1veis em sistemas de controle de fluidos<\/li>\n<li><strong>Instrumentos de medi\u00e7\u00e3o<\/strong>: Pe\u00e7as de precis\u00e3o que requerem estabilidade dimensional<\/li>\n<li><strong>Ferramentas de corte &amp; equipamentos industriais<\/strong>: Componentes resistentes ao desgaste<\/li>\n<li><strong>Produtos de consumo<\/strong>: Facas, ferramentas e dispositivos mec\u00e2nicos que exigem dureza e tenacidade<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Graus &amp; tamanhos dispon\u00edveis<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Graus<\/strong>: ISO 3290 G10 \u2013 G200<\/a><\/li>\n<li><strong>Intervalo de di\u00e2metros<\/strong>: 0.5 mm \u2013 150.0 mm<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>AISI 420C, W 1.3541, X47Cr14 \ud83d\udee0\ufe0f Esferas de a\u00e7o inoxid\u00e1vel (AISI 420C) \u2013 componentes de precis\u00e3o de alto desempenho As esferas de a\u00e7o inoxid\u00e1vel AISI 420C s\u00e3o componentes de precis\u00e3o de alta qualidade, conhecidas pela excelente dureza, resist\u00eancia ao desgaste e resist\u00eancia \u00e0 corros\u00e3o moderada. Produzidas em inox martens\u00edtico com alto teor de carbono e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9269,"parent":3031,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3033","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Esferas de a\u00e7o inoxid\u00e1vel endurecido 420C precis\u00e3o e resist\u00eancia<\/title>\n<meta name=\"description\" content=\"Esferas de a\u00e7o inoxid\u00e1vel oferecem alta resist\u00eancia \u00e0 corros\u00e3o, durabilidade e precis\u00e3o para aplica\u00e7\u00f5es industriais exigentes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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