{"id":6477,"date":"2020-11-04T06:50:08","date_gmt":"2020-11-04T06:50:08","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6477"},"modified":"2022-06-30T08:58:26","modified_gmt":"2022-06-30T08:58:26","slug":"vantagens-de-desempenho-do-tubo-de-aco-duplex","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/vantagens-de-desempenho-do-tubo-de-aco-duplex\/","title":{"rendered":"Vantagens de desempenho do tubo de a\u00e7o duplex"},"content":{"rendered":"<p>O a\u00e7o inoxid\u00e1vel duplex tem estruturas ferr\u00edticas e austen\u00edticas. \u00c9 por isso que o a\u00e7o inoxid\u00e1vel duplex tem tanto as vantagens de desempenho do a\u00e7o inoxid\u00e1vel ferr\u00edtico quanto do a\u00e7o inoxid\u00e1vel austen\u00edtico. <a href=\"https:\/\/www.kaysuns.com\/pt\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">Tubo duplex de a\u00e7o inoxid\u00e1vel<\/a> tem as seguintes caracter\u00edsticas de desempenho:<\/p>\n\n\n\n<p><strong>Boas propriedades mec\u00e2nicas<\/strong><br \/>Comparado com o a\u00e7o inoxid\u00e1vel ferr\u00edtico monof\u00e1sico e o a\u00e7o inoxid\u00e1vel austen\u00edtico monof\u00e1sico, o a\u00e7o inoxid\u00e1vel duplex tem maior resist\u00eancia e dureza, e sua plasticidade e tenacidade s\u00e3o intermedi\u00e1rias. A resist\u00eancia ao escoamento do a\u00e7o duplex de segunda gera\u00e7\u00e3o pode ser t\u00e3o alta quanto o dobro do a\u00e7o inoxid\u00e1vel austen\u00edtico TIPO 18-8.<\/p>\n\n\n\n<p><strong>Melhor resist\u00eancia \u00e0 corros\u00e3o<\/strong><br \/>Sob condi\u00e7\u00f5es de baixa tens\u00e3o, os a\u00e7os inoxid\u00e1veis austen\u00edticos em geral s\u00e3o suscet\u00edveis \u00e0 corros\u00e3o sob tens\u00e3o e fratura em uma solu\u00e7\u00e3o de cloreto neutro a uma temperatura acima de 60 \u2103, enquanto os a\u00e7os inoxid\u00e1veis duplex t\u00eam boa resist\u00eancia \u00e0 corros\u00e3o sob tens\u00e3o por cloreto e s\u00e3o adequados para uso. \u00c9 usado para fabricar equipamentos industriais servindo em cloreto e outros meios.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"424\" height=\"252\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Internal-corrosion-of-2205-pipeline-after-500-days.jpg\" alt=\"Corros\u00e3o interna de 2205 pipeline ap\u00f3s 500 dias\" class=\"wp-image-6277\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Internal-corrosion-of-2205-pipeline-after-500-days.jpg 424w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Internal-corrosion-of-2205-pipeline-after-500-days-300x178.jpg 300w\" sizes=\"(max-width: 424px) 100vw, 424px\" \/><\/figure><\/div>\n\n\n\n<p>O a\u00e7o inoxid\u00e1vel duplex tem boa resist\u00eancia \u00e0 corros\u00e3o por pite: quando tem o mesmo valor equivalente de resist\u00eancia por pite, o potencial cr\u00edtico de pite do a\u00e7o inoxid\u00e1vel duplex e do a\u00e7o inoxid\u00e1vel austen\u00edtico s\u00e3o semelhantes. O a\u00e7o inoxid\u00e1vel duplex contendo 25% Cr, especialmente o a\u00e7o inoxid\u00e1vel duplex com alto cromo contendo nitrog\u00eanio, apresenta resist\u00eancia \u00e0 corros\u00e3o por pite e \u00e0 corros\u00e3o em fendas que excede o a\u00e7o inoxid\u00e1vel austen\u00edtico. Sob certas condi\u00e7\u00f5es de meio corrosivo, \u00e9 adequado para sistemas de tubula\u00e7\u00e3o de fluido corrosivo.<\/p>\n\n\n\n<p><strong>Boas vantagens de desempenho de processamento<\/strong><br \/>Comparado com o a\u00e7o inoxid\u00e1vel austen\u00edtico, o a\u00e7o inoxid\u00e1vel duplex tem uma faixa de temperatura de trabalho a quente mais ampla e menor resist\u00eancia. Portanto, o a\u00e7o inoxid\u00e1vel duplex pode ser laminado diretamente e tarrafado sem forjamento e usado para duplex <a href=\"https:\/\/www.kaysuns.com\/pt\/tubo-de-aco-inoxidavel-soldado\/\" target=\"_blank\">tubos soldados de a\u00e7o inoxid\u00e1vel<\/a>. O a\u00e7o inoxid\u00e1vel duplex tem um maior efeito de endurecimento durante o trabalho a frio.<\/p>\n\n\n\n<p><strong>Outras propriedades<\/strong>: Em compara\u00e7\u00e3o com os tubos de a\u00e7o inoxid\u00e1vel austen\u00edtico, os tubos de a\u00e7o inoxid\u00e1vel duplex t\u00eam maior condutividade t\u00e9rmica e coeficientes de expans\u00e3o linear menores.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>Postado por <a href=\"https:\/\/www.kaysuns.com\/pt\/\" target=\"_blank\">fornecedor de acess\u00f3rios para tubos de a\u00e7o inoxid\u00e1vel<\/a>KAYSUNS.<\/p>","protected":false},"featured_media":6277,"template":"","categories":[186],"tags":[],"class_list":["post-6477","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>Performance Advantages of Duplex Steel Pipe - KAYSUNS<\/title>\n<meta name=\"description\" content=\"Duplex stainless steel pipe has both the performance advantages of ferritic stainless steel and austenitic stainless steel, 4 points here...\" \/>\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\/vantagens-de-desempenho-do-tubo-de-aco-duplex\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Performance Advantages of Duplex Steel Pipe - 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