{"id":3035,"date":"2021-01-21T09:24:17","date_gmt":"2021-01-21T08:24:17","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=3035"},"modified":"2025-09-29T10:22:10","modified_gmt":"2025-09-29T08:22:10","slug":"esferas-de-aco-inoxidavel-endurecido-aisi-440c","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/pt-pt\/produtos\/esferas-de-aco-inoxidavel\/esferas-de-aco-inoxidavel-endurecido-aisi-440c\/","title":{"rendered":"Esferas de a\u00e7o inoxid\u00e1vel endurecido AISI 440C"},"content":{"rendered":"<h2>AISI 440C, W 1.4125, X105CrMo17<\/h2>\n<h2 data-start=\"71\" data-end=\"149\">\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Stainless_steel\">Esferas de a\u00e7o inoxid\u00e1vel (AISI 440C) \u2013 componentes de precis\u00e3o de alto desempenho<\/a><\/h2>\n<p data-start=\"151\" data-end=\"526\">As Esferas de a\u00e7o inoxid\u00e1vel AISI 440C s\u00e3o componentes martens\u00edticos avan\u00e7ados, reconhecidos por sua dureza excepcional, excelente resist\u00eancia ao desgaste e boa estabilidade dimensional. Com dureza Rockwell C de HRC 58\u201366, oferecem desempenho superior em ambientes exigentes. S\u00e3o amplamente usadas em rolamentos, v\u00e1lvulas, atuadores e outros mecanismos de alta precis\u00e3o.<\/p>\n<h3 data-start=\"533\" data-end=\"568\">\ud83d\udd27 Especifica\u00e7\u00f5es t\u00e9cnicas principais<\/h3>\n<ul>\n<li data-start=\"572\" data-end=\"669\"><strong data-start=\"572\" data-end=\"587\">Composi\u00e7\u00e3o<\/strong>: Carbono 0,95\u20131,20%, Cromo 16\u201318%, Molibd\u00eanio \u22640,75%, tra\u00e7os de Mn, Si, P, S<\/li>\n<li data-start=\"672\" data-end=\"757\"><strong data-start=\"672\" data-end=\"685\">Estrutura<\/strong>: A\u00e7o inoxid\u00e1vel martens\u00edtico endurecido, gr\u00e3o fino, temperado ao n\u00facleo<\/li>\n<li data-start=\"760\" data-end=\"792\"><strong data-start=\"760\" data-end=\"772\">Dureza<\/strong>: Rockwell C 58\u201366<\/li>\n<li data-start=\"795\" data-end=\"838\"><strong data-start=\"795\" data-end=\"815\">Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/strong>: At\u00e9 \u2248 285.000 psi<\/li>\n<li data-start=\"841\" data-end=\"871\"><strong data-start=\"841\" data-end=\"852\">Densidade<\/strong>: ~7,75\u20137,8 g\/cm\u00b3<\/li>\n<li data-start=\"874\" data-end=\"973\"><strong data-start=\"874\" data-end=\"898\">Resist\u00eancia \u00e0 corros\u00e3o<\/strong>: Boa em \u00e1gua doce, vapor, \u00e1cidos leves, alimentos e \u00f3leos<\/li>\n<li data-start=\"976\" data-end=\"995\"><strong data-start=\"976\" data-end=\"988\">Magn\u00e9ticas<\/strong>: Sim<\/li>\n<\/ul>\n<h3 data-start=\"1002\" data-end=\"1018\">\u2705 Vantagens<\/h3>\n<ul>\n<li data-start=\"1022\" data-end=\"1120\"><strong data-start=\"1022\" data-end=\"1046\">Dureza excepcional das Esferas inox<\/strong>: Garante longa vida \u00fatil em condi\u00e7\u00f5es abrasivas e de alta carga.<\/li>\n<li data-start=\"1123\" data-end=\"1213\"><strong data-start=\"1123\" data-end=\"1147\">Alta resist\u00eancia ao desgaste<\/strong>: Mant\u00e9m a precis\u00e3o sob rolamento repetido ou fadiga de contato.<\/li>\n<li data-start=\"1216\" data-end=\"1316\"><strong data-start=\"1216\" data-end=\"1245\">Boa resist\u00eancia \u00e0 corros\u00e3o<\/strong>: Adequada para diversos ambientes, incluindo exposi\u00e7\u00e3o qu\u00edmica moderada.<\/li>\n<li data-start=\"1319\" data-end=\"1401\"><strong data-start=\"1319\" data-end=\"1344\">Estabilidade dimensional<\/strong>: Ret\u00e9m a exatid\u00e3o sob esfor\u00e7os mec\u00e2nicos e t\u00e9rmicos.<\/li>\n<li data-start=\"1404\" data-end=\"1473\"><strong data-start=\"1404\" data-end=\"1427\">Resist\u00eancia mec\u00e2nica<\/strong>: Suporta aplica\u00e7\u00f5es com alta capacidade de carga.<\/li>\n<\/ul>\n<h3 data-start=\"1480\" data-end=\"1499\">\ud83d\udd04 Aplica\u00e7\u00f5es das Esferas de a\u00e7o inoxid\u00e1vel<\/h3>\n<p data-start=\"1501\" data-end=\"1599\">As Esferas AISI 440C s\u00e3o utilizadas em uma ampla gama de aplica\u00e7\u00f5es de precis\u00e3o, tais como:<\/p>\n<ul>\n<li data-start=\"1603\" data-end=\"1668\"><strong data-start=\"1603\" data-end=\"1615\">Rolamentos<\/strong>: Rolamentos de contato rolante e miniatura de precis\u00e3o.<\/li>\n<li data-start=\"1671\" data-end=\"1754\"><strong data-start=\"1671\" data-end=\"1693\">V\u00e1lvulas e atuadores<\/strong>: Essenciais para bombas, v\u00e1lvulas de controle e reguladores de fluxo.<\/li>\n<li data-start=\"1757\" data-end=\"1826\"><strong data-start=\"1757\" data-end=\"1771\">Mecanismos<\/strong>: Dispositivos de travamento, acoplamentos e elementos de fixa\u00e7\u00e3o.<\/li>\n<li data-start=\"1829\" data-end=\"1910\"><strong data-start=\"1829\" data-end=\"1853\">M\u00e1quinas industriais<\/strong>: Componentes confi\u00e1veis para sistemas robustos e automatizados.<\/li>\n<\/ul>\n<h3 data-start=\"1917\" data-end=\"1948\">\ud83d\udce6 Graus e tamanhos dispon\u00edveis<\/h3>\n<p data-start=\"1950\" data-end=\"2063\">As Esferas AISI 440C est\u00e3o dispon\u00edveis em v\u00e1rios graus e dimens\u00f5es para atender requisitos espec\u00edficos:<\/p>\n<ul>\n<li data-start=\"2067\" data-end=\"2099\"><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong data-start=\"2067\" data-end=\"2077\">Graus<\/strong>: ISO 3290 G5 \u2013 G100<\/a><\/li>\n<li data-start=\"2102\" data-end=\"2146\"><strong data-start=\"2102\" data-end=\"2120\">Faixa de di\u00e2metro<\/strong>: 0,3 mm \u2013 101,6 mm (4\u2033)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>AISI 440C, W 1.4125, X105CrMo17 \ud83d\udee0\ufe0f Esferas de a\u00e7o inoxid\u00e1vel (AISI 440C) \u2013 componentes de precis\u00e3o de alto desempenho As Esferas de a\u00e7o inoxid\u00e1vel AISI 440C s\u00e3o componentes martens\u00edticos avan\u00e7ados, reconhecidos por sua dureza excepcional, excelente resist\u00eancia ao desgaste e boa estabilidade dimensional. Com dureza Rockwell C de HRC 58\u201366, oferecem desempenho superior em ambientes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9281,"parent":3031,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3035","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 440C 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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