{"id":5254,"date":"2019-09-11T03:29:48","date_gmt":"2019-09-11T03:29:48","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5254"},"modified":"2022-06-30T09:03:44","modified_gmt":"2022-06-30T09:03:44","slug":"principais-aplicacoes-areas-do-setor-e-aplicacoes-de-tubos-duplex","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/principais-aplicacoes-areas-do-setor-e-aplicacoes-de-tubos-duplex\/","title":{"rendered":"Principais \u00e1reas de aplica\u00e7\u00e3o da ind\u00fastria e aplica\u00e7\u00f5es de tubos duplex"},"content":{"rendered":"<h2>O a\u00e7o inoxid\u00e1vel duplex \u00e9 um a\u00e7o inoxid\u00e1vel resistente \u00e0 corros\u00e3o<\/h2>\n<p>Devido \u00e0s suas vantagens especiais, <a href=\"https:\/\/www.kaysuns.com\/pt\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">tubo duplex 2205<\/a> \u00e9 amplamente utilizado em equipamentos petroqu\u00edmicos, equipamentos de tratamento de \u00e1gua do mar e efluentes, oleodutos e gasodutos, m\u00e1quinas de fabrica\u00e7\u00e3o de papel e outros campos industriais. S\u00e3o excelentes tubos de a\u00e7o inoxid\u00e1vel. O a\u00e7o inoxid\u00e1vel duplex tamb\u00e9m foi estudado para uso no campo de estruturas de suporte de carga de pontes.<\/p>\n<p><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205.jpg\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-5255\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205.jpg\" alt=\"a\u00e7o inoxid\u00e1vel duplex 2205\" width=\"800\" height=\"527\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205.jpg 800w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205-300x198.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205-768x506.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<h3><strong>1. Ambiente neutro de cloreto<\/strong><\/h3>\n<p>O a\u00e7o inoxid\u00e1vel duplex \u00e9 amplamente utilizado em ambientes de cloreto neutro. No processo de fabrica\u00e7\u00e3o, uma pequena quantidade de solu\u00e7\u00e3o contendo \u00edon cloreto \u00e9 normalmente usada como \u00e1gua de resfriamento, o que causa tens\u00e3o em a\u00e7o inoxid\u00e1vel austen\u00edtico comum (como AISI 304\/316). A tend\u00eancia \u00e0 corros\u00e3o e ao a\u00e7o inoxid\u00e1vel duplex pode resolver muito bem esse problema. A resist\u00eancia \u00e0 corros\u00e3o \u00e9 geralmente expressa pelo \u00edndice de equivalente de corros\u00e3o PRE = Cr% + 3,3Mo% + 16N%, em que o a\u00e7o inoxid\u00e1vel duplex tem um valor PRE maior que 24 e um PRE austen\u00edtico menor que 20.<\/p>\n<h3><strong>2. Ind\u00fastria de petr\u00f3leo e g\u00e1s<\/strong><\/h3>\n<p>Desde a d\u00e9cada de 1980, o a\u00e7o inoxid\u00e1vel duplex tem sido cada vez mais utilizado na produ\u00e7\u00e3o de g\u00e1s \u00e1cido e \u00f3leo, principalmente na produ\u00e7\u00e3o de revestimentos de tubos, trocadores de calor e sistemas de dutos onshore e offshore. Principalmente na produ\u00e7\u00e3o de petr\u00f3leo e g\u00e1s natural, a maioria dos a\u00e7os inoxid\u00e1veis duplex enfrenta um ambiente \u00e1cido, ou seja, um ambiente contendo grande quantidade de \u00edons cloreto, di\u00f3xido de carbono e algum di\u00f3xido de enxofre. No ambiente vicioso de di\u00f3xido de carbono \u00famido contendo \u00edons de cloreto, o a\u00e7o inoxid\u00e1vel duplex \u00e9 a primeira escolha para um material ideal. \u00c9 resistente ao desgaste de alta vaz\u00e3o e corros\u00e3o e \u00e9 mais resistente ao desgaste de alta vaz\u00e3o e corros\u00e3o do que o a\u00e7o carbono e a\u00e7o inoxid\u00e1vel com inibidor de corros\u00e3o. Tamb\u00e9m \u00e9 usado no sistema de tubula\u00e7\u00e3o furo acima para reduzir o peso dos materiais.<\/p>\n<h3><strong>3. Ambiente de \u00e1gua do mar<\/strong><\/h3>\n<p>A \u00e1gua do mar \u00e9 um dos meios mais corrosivos no ambiente natural. No caso da \u00e1gua do mar quente, o a\u00e7o inoxid\u00e1vel super duplex \u00e9 mais utilizado. Por exemplo, um trocador de \u00e1gua do mar feito de a\u00e7o inoxid\u00e1vel super duplex SAF 2507 n\u00e3o foi encontrado corro\u00eddo por 3 anos, e o tubo de tit\u00e2nio s\u00f3 pode ser usado por 3 meses porque n\u00e3o \u00e9 resistente \u00e0 corros\u00e3o.<\/p>\n<h3><strong>4. Ind\u00fastria de celulose e papel<\/strong><\/h3>\n<p>O a\u00e7o inoxid\u00e1vel duplex est\u00e1 no desenvolvimento da ind\u00fastria de celulose e papel h\u00e1 mais de 40 anos, e o a\u00e7o inoxid\u00e1vel duplex 3RE60 foi usado pela primeira vez neste campo. Al\u00e9m do a\u00e7o 3RE60, outros a\u00e7os inoxid\u00e1veis duplex como UR45N (SAF2205), UR47N (00Cr25Ni6.5Mo3N), UR52N + (00Cr25Ni6.5Mo3.5CuN) s\u00e3o usados em v\u00e1rios campos industriais.<\/p>\n<h3><strong>5. Ind\u00fastria de fertilizantes<\/strong><\/h3>\n<p>A ind\u00fastria de ureia tamb\u00e9m \u00e9 um dos primeiros departamentos a usar o a\u00e7o inoxid\u00e1vel duplex. O equipamento de troca de calor contendo \u00e1gua de \u00edon cloreto no dispositivo \u00e9 mais usado. O feixe tubular de a\u00e7o inoxid\u00e1vel austen\u00edtico 304L original foi usado e a corros\u00e3o sob tens\u00e3o rachou um m\u00eas depois, causando vazamento. O a\u00e7o inoxid\u00e1vel duplex pode ser usado por mais de 5 anos e, em seguida, os resfriadores de primeiro e segundo est\u00e1gios tamb\u00e9m s\u00e3o substitu\u00eddos por a\u00e7o inoxid\u00e1vel duplex 18-5Mo ou SAF2205.<\/p>\n<p>Devido \u00e0 boa resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel duplex no meio de ureia, ele \u00e9 adequado para a produ\u00e7\u00e3o do equipamento principal da bomba de produ\u00e7\u00e3o de ureia.<\/p>\n<p>Al\u00e9m disso, o a\u00e7o inoxid\u00e1vel duplex refor\u00e7ado com envelhecimento 0Cr25Ni6Mo3CuN dom\u00e9stico tem excelente resist\u00eancia ao desgaste e \u00e0 corros\u00e3o.<\/p>\n<h3><strong>6. Ind\u00fastria de transporte<\/strong><\/h3>\n<p>Nos \u00faltimos anos, a ind\u00fastria de transporte mar\u00edtimo de produtos qu\u00edmicos mar\u00edtimos \u00e9 a maior usu\u00e1ria de a\u00e7o inoxid\u00e1vel duplex em pa\u00edses estrangeiros, respondendo por cerca de 50% das chapas laminadas a quente. Os navios-tanque qu\u00edmicos transportam uma ampla variedade de cargas l\u00edquidas, incluindo produtos qu\u00edmicos e petroqu\u00edmicos, exigindo que os materiais da cabine sejam resistentes \u00e0 corros\u00e3o, alta resist\u00eancia e excelente plasticidade. Atualmente, o a\u00e7o inoxid\u00e1vel duplex SAF2205 substituiu os a\u00e7os inoxid\u00e1veis austen\u00edticos, como 316L e 317L, tornando-o o material de escolha para navios-tanque de produtos qu\u00edmicos.<\/p>","protected":false},"featured_media":5255,"template":"","categories":[186],"tags":[],"class_list":["post-5254","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>Main Application Industry Areas And Applications Of Duplex Pipes - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\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\/principais-aplicacoes-areas-do-setor-e-aplicacoes-de-tubos-duplex\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Main Application Industry Areas And Applications Of Duplex Pipes - Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"og:description\" content=\"Duplex stainless steel is a corrosion-resistant stainless steel Due to its special advantages, duplex 2205 pipe is widely used in petrochemical equipment, seawater and wastewater treatment equipment, oil and gas pipelines, papermaking machinery and other industrial fields. 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