{"id":5619,"date":"2020-02-16T07:05:58","date_gmt":"2020-02-16T07:05:58","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5619"},"modified":"2025-07-01T06:35:51","modified_gmt":"2025-07-01T06:35:51","slug":"o-que-sao-acos-superinoxidaveis-e-onde-eles-sao-usados","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/o-que-sao-acos-superinoxidaveis-e-onde-eles-sao-usados\/","title":{"rendered":"O que s\u00e3o os super-a\u00e7os inoxid\u00e1veis e onde eles s\u00e3o usados?"},"content":{"rendered":"<h2>Super a\u00e7os inoxid\u00e1veis, liga \u00e0 base de n\u00edquel<\/h2>\n<p>O que \u00e9 o super a\u00e7o inoxid\u00e1vel? Em primeiro lugar, ele \u00e9 diferente do a\u00e7o inoxid\u00e1vel comum em termos de composi\u00e7\u00e3o qu\u00edmica. Ele se refere a um a\u00e7o inoxid\u00e1vel de alta liga que cont\u00e9m alto teor de n\u00edquel, alto teor de cromo e alto teor de <a href=\"https:\/\/www.kaysuns.com\/pt\/papel-do-molibdenio-em-tubos-e-conexoes-de-aco-inoxidavel\/\" target=\"_blank\" rel=\"noopener\">molibd\u00eanio<\/a>.<\/p>\n<p>De acordo com as caracter\u00edsticas microestruturais do a\u00e7o inoxid\u00e1vel, o super a\u00e7o inoxid\u00e1vel \u00e9 dividido em a\u00e7o inoxid\u00e1vel super ferr\u00edtico, a\u00e7o inoxid\u00e1vel super austen\u00edtico, a\u00e7o inoxid\u00e1vel super martens\u00edtico e a\u00e7o inoxid\u00e1vel super duplex.<\/p>\n<hr \/>\n<p><em>A\u00e7o inoxid\u00e1vel super austen\u00edtico<\/em> \u00e9 baseado no a\u00e7o inoxid\u00e1vel austen\u00edtico comum, melhorando a pureza da liga, aumentando o n\u00famero de elementos ben\u00e9ficos, reduzindo o teor de C, evitando a precipita\u00e7\u00e3o de Cr23C6 causada por <a href=\"https:\/\/www.kaysuns.com\/pt\/perigo-oculto-da-corrosao-intergranular\/\" target=\"_blank\" rel=\"noopener\">corros\u00e3o intergranular<\/a>e obtendo boas propriedades mec\u00e2nicas, propriedades de processo e resist\u00eancia local Desempenho corrosivo e substitui o a\u00e7o inoxid\u00e1vel estabilizado com Ti.<\/p>\n<p><em>A\u00e7o inoxid\u00e1vel super ferr\u00edtico<\/em> herda as caracter\u00edsticas do a\u00e7o inoxid\u00e1vel ferr\u00edtico comum, como alta resist\u00eancia, boa resist\u00eancia \u00e0 oxida\u00e7\u00e3o e excelente resist\u00eancia \u00e0 corros\u00e3o sob tens\u00e3o. Ao mesmo tempo, melhora a ductilidade da transi\u00e7\u00e3o fr\u00e1gil do a\u00e7o inoxid\u00e1vel ferr\u00edtico, a sensibilidade \u00e0 corros\u00e3o intergranular e o estado de solda. Limita\u00e7\u00f5es como baixa tenacidade.<\/p>\n<p>Usando a tecnologia de refino, reduzindo o teor de C e N, adicionando elementos de endurecimento de metal de solda e estabiliza\u00e7\u00e3o, pode-se obter a\u00e7o inoxid\u00e1vel superferr\u00edtico alto Cr, Mo e C, N ultrabaixo, tornando o a\u00e7o inoxid\u00e1vel ferr\u00edtico resistente \u00e0 corros\u00e3o e resist\u00eancia. a corros\u00e3o em fendas entrou em um novo est\u00e1gio.<\/p>\n<p><em>Super Duplex em A\u00e7o Inoxid\u00e1vel<\/em> Este tipo de a\u00e7o foi desenvolvido no final da d\u00e9cada de 1980. Suas notas s\u00e3o principalmente <a href=\"https:\/\/www.kaysuns.com\/pt\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">SAF2507<\/a>UR52N, Zeron100, etc., verificar kaysuns\". <a href=\"https:\/\/www.kaysuns.com\/pt\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">tubos duplex<\/a>.<\/p>\n<p><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-pipes-925.jpg\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-5319\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-pipes-925.jpg\" alt=\"tubos duplex 925\" width=\"559\" height=\"262\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-pipes-925.jpg 559w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-pipes-925-300x141.jpg 300w\" sizes=\"(max-width: 559px) 100vw, 559px\" \/><\/a><\/p>\n<p>\u00c9 caracterizado por baixo teor de C, alto teor de Mo e alto teor de N, e o teor da fase ferrite no a\u00e7o \u00e9 respons\u00e1vel por 40%. % \uff5e 45%, com excelente resist\u00eancia \u00e0 corros\u00e3o.<\/p>\n<p><em>A\u00e7o inoxid\u00e1vel super martens\u00edtico<\/em> \u00e9 um a\u00e7o inoxid\u00e1vel endurec\u00edvel com alta dureza, for\u00e7a e resist\u00eancia ao desgaste, mas baixa tenacidade e soldabilidade.<\/p>\n<p>O a\u00e7o inoxid\u00e1vel martens\u00edtico comum n\u00e3o tem ductilidade suficiente, \u00e9 muito sens\u00edvel ao estresse durante a deforma\u00e7\u00e3o e a conforma\u00e7\u00e3o a frio \u00e9 mais dif\u00edcil. Ao reduzir o teor de carbono e aumentar o teor de n\u00edquel, um a\u00e7o inoxid\u00e1vel super martens\u00edtico pode ser obtido.<\/p>\n<p>Nos \u00faltimos anos, v\u00e1rios pa\u00edses investiram pesadamente no desenvolvimento de a\u00e7os supermartens\u00edticos com baixo teor de carbono e nitrog\u00eanio, e v\u00e1rias aplica\u00e7\u00f5es diferentes de a\u00e7os supermartens\u00edticos foram desenvolvidas.<\/p>\n<p>O a\u00e7o super martens\u00edtico tem sido amplamente utilizado na extra\u00e7\u00e3o de petr\u00f3leo e g\u00e1s, equipamentos de armazenamento e transporte, gera\u00e7\u00e3o de energia hidrel\u00e9trica, produtos qu\u00edmicos e equipamentos de produ\u00e7\u00e3o de celulose de alta temperatura.<\/p>\n<hr \/>\n<h3><strong>Aplica\u00e7\u00f5es do Super a\u00e7o inoxid\u00e1vel<\/strong><strong>:<\/strong><\/h3>\n<ul>\n<li>1. Oceano: estruturas marinhas no ambiente marinho, dessaliniza\u00e7\u00e3o, aquicultura da \u00e1gua do mar, troca de calor da \u00e1gua do mar, etc.<\/li>\n<li>2. Campo de prote\u00e7\u00e3o ambiental: equipamento de dessulfura\u00e7\u00e3o de gases de combust\u00e3o para gera\u00e7\u00e3o de energia t\u00e9rmica, tratamento de \u00e1guas residuais, etc.<\/li>\n<li>3. Campo de energia: gera\u00e7\u00e3o de energia at\u00f4mica, utiliza\u00e7\u00e3o abrangente de carv\u00e3o, gera\u00e7\u00e3o de energia da mar\u00e9 do mar, etc.<\/li>\n<li>4. Ind\u00fastria petroqu\u00edmica: refino de petr\u00f3leo, equipamentos qu\u00edmicos e qu\u00edmicos, etc.<\/li>\n<li>5. Campo alimentar: fabrica\u00e7\u00e3o de sal, fabrica\u00e7\u00e3o de molho de soja, etc.<\/li>\n<\/ul>","protected":false},"featured_media":5503,"template":"","categories":[186],"tags":[],"class_list":["post-5619","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Is Super Stainless Steels And Where Are They Used? - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"description\" content=\"According to the microstructure characteristics of stainless steel, super stainless steel is divided into super ferritic stainless steel, super austenitic stainless steel, super martensitic stainless steel and super duplex stainless steel.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/pt\/blog\/o-que-sao-acos-superinoxidaveis-e-onde-eles-sao-usados\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is Super Stainless Steels And Where Are They Used? 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