{"id":5506,"date":"2020-01-13T03:53:40","date_gmt":"2020-01-13T03:53:40","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5506"},"modified":"2026-02-02T05:50:33","modified_gmt":"2026-02-02T05:50:33","slug":"vantagens-do-tubo-duplex-2205-sobre-o-tubo-de-aco-inoxidavel-316l","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/vantagens-do-tubo-duplex-2205-sobre-o-tubo-de-aco-inoxidavel-316l\/","title":{"rendered":"Vantagens do tubo duplex 2205 sobre tubo de a\u00e7o inoxid\u00e1vel 316L"},"content":{"rendered":"<h2>Vantagens do tubo duplex 2205 sobre tubo de a\u00e7o inoxid\u00e1vel 316L<\/h2>\n<p>Comparado com os a\u00e7os inoxid\u00e1veis 316L e 317L, o a\u00e7o inoxid\u00e1vel duplex 2205 tem melhor desempenho em resist\u00eancia \u00e0 corros\u00e3o por pite e fenda. Possui alta resist\u00eancia \u00e0 corros\u00e3o e menor coeficiente de expans\u00e3o t\u00e9rmica do que a austenita Maior condutividade t\u00e9rmica.<\/p>\n<p><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-stainless-steel-SAF-2205.jpg\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-5507\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-stainless-steel-SAF-2205.jpg\" alt=\"SAF 2205 de a\u00e7o inoxid\u00e1vel duplex\" width=\"439\" height=\"436\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-stainless-steel-SAF-2205.jpg 439w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-stainless-steel-SAF-2205-150x150.jpg 150w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-stainless-steel-SAF-2205-300x298.jpg 300w\" sizes=\"(max-width: 439px) 100vw, 439px\" \/><\/a><\/p>\n<p>Comparado com tubos de a\u00e7o inoxid\u00e1vel austen\u00edtico, 2205 <a href=\"https:\/\/www.kaysuns.com\/pt\/\" target=\"_blank\">tubo duplex<\/a> tem o dobro da resist\u00eancia \u00e0 compress\u00e3o. Em compara\u00e7\u00e3o com <a href=\"https:\/\/www.kaysuns.com\/pt\/blog\/tubo-de-aco-inoxidavel-316-316l\/\" target=\"_blank\" rel=\"noopener\">Tubo de a\u00e7o inoxid\u00e1vel 316L<\/a> e <a href=\"https:\/\/www.kaysuns.com\/pt\/tubo-de-aco-inoxidavel-317-317l\/\" target=\"_blank\">Tubo de a\u00e7o inoxid\u00e1vel 317L<\/a>, os designers podem reduzir seu peso. A liga 2205 \u00e9 particularmente adequada para a faixa de temperatura de -50 \u00b0 F \/ + 600 \u00b0 F. Sob severas restri\u00e7\u00f5es (especialmente para estruturas soldadas), ela tamb\u00e9m pode ser usada em temperaturas mais baixas.<\/p>\n<p>Composi\u00e7\u00e3o qu\u00edmica do a\u00e7o inoxid\u00e1vel duplex 2205: C\u22640,030 Mn\u22642,00 Si\u22641,00 p\u22640,030 S\u22640,020 Cr 22,0 \uff5e 23,0 Ni 4,5 \uff5e 6,5 Mo3,0 \uff5e 3,5 N0,14 \uff5e 0,20 (tipo austenita-ferrita)<\/p>\n<p><a href=\"https:\/\/www.kaysuns.com\/pt\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">Tubo Duplex 2205<\/a> \u00e9 um tubo de a\u00e7o inoxid\u00e1vel duplex composto por 21% de cromo, 2,5% <a href=\"https:\/\/www.kaysuns.com\/pt\/papel-do-molibdenio-em-tubos-e-conexoes-de-aco-inoxidavel\/\" target=\"_blank\" rel=\"noopener\">molibd\u00eanio<\/a> e liga de n\u00edquel-nitrog\u00eanio 4.5%. Possui alta resist\u00eancia, boa tenacidade ao impacto e boa resist\u00eancia geral e local \u00e0 corros\u00e3o sob tens\u00e3o.<\/p>\n<p>O a\u00e7o inoxid\u00e1vel duplex 2205 \u00e9 um a\u00e7o inoxid\u00e1vel duplex composto de cromo 22%, molibd\u00eanio 3% e nitrog\u00eanio de n\u00edquel 5-6%. Comparado com o tubo de a\u00e7o inoxid\u00e1vel austen\u00edtico, o tubo de a\u00e7o 2205 tem melhor desempenho na resist\u00eancia \u00e0 corros\u00e3o por pite e fendas.<\/p>\n<p><strong>Maquinabilidade<\/strong><\/p>\n<p>Em m\u00e1quinas de alta velocidade, a taxa de alimenta\u00e7\u00e3o e velocidade de corte de 2205 tubos s\u00e3o iguais a 316L. Se uma faca carbonizada for usada, a velocidade de corte \u00e9 reduzida em cerca de 20% em compara\u00e7\u00e3o com 316L, e o desempenho da m\u00e1quina e seus componentes desempenham um papel fundamental aqui.<\/p>\n<p><strong>Soldagem de tubo duplex 2205<\/strong><\/p>\n<p>O tubo Duplex 2205 tem boa soldabilidade. Sua soldagem n\u00e3o \u00e9 dif\u00edcil, mas seu procedimento de soldagem precisa ser projetado de forma que ap\u00f3s a soldagem possa manter um bom equil\u00edbrio de fases e evitar a precipita\u00e7\u00e3o de fases met\u00e1licas ou n\u00e3o met\u00e1licas prejudiciais. Pode ser soldado em: <strong>GTAW (TIG); GMAW (MIG); SMAW (eletrodo \"stick\"); SAW; FCW; e PAW<\/strong><\/p>\n<hr \/>\n<p><strong>Padr\u00f5es<\/strong><\/p>\n<p>ASTM \/ ASME ........... A240 UNS S32205 \/ S31803<br \/>\nEURONORM ........... 1.4462 X2CrNiMoN 22.5.3<br \/>\nAFNOR ................... Z3 CrNi 22.05 AZ<br \/>\nDIN ......... W. Nr 1.4462<\/p>\n<hr \/>\n<p><strong>Aplica\u00e7\u00f5es<\/strong><\/p>\n<p>\u00b7 Vasos de press\u00e3o, tanques de armazenamento de alta press\u00e3o, tubos de alta press\u00e3o, trocadores de calor (ind\u00fastria de processamento qu\u00edmico).<br \/>\n\u00b7 Oleodutos e gasodutos, tubos de trocadores de calor.<br \/>\n\u00b7 Sistemas de tratamento de esgoto.<br \/>\n\u00b7 Classificadores, equipamentos de branqueamento, sistemas de armazenamento e processamento para a ind\u00fastria de celulose e papel.<br \/>\n\u00b7 Eixos rotativos, rolos de prensa, l\u00e2minas, impulsores, etc. em ambientes de alta resist\u00eancia e resistentes \u00e0 corros\u00e3o<br \/>\n\u00b7 Caixas de carga para navios ou caminh\u00f5es<br \/>\n\u00b7 Equipamentos de processamento de alimentos<\/p>","protected":false},"featured_media":5507,"template":"","categories":[186],"tags":[],"class_list":["post-5506","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>Advantages Of Duplex 2205 Pipe Over 316L Stainless Steel Pipe - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"description\" content=\"Compared with austenitic stainless steel pipes, 2205 duplex pipe has twice the compressive strength. Compared with 316L stainless steel pipe and 317L stainless steel pipe, designers can reduce their weight.\" \/>\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-do-tubo-duplex-2205-sobre-o-tubo-de-aco-inoxidavel-316l\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Advantages Of Duplex 2205 Pipe Over 316L Stainless Steel Pipe - Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"og:description\" content=\"Compared with austenitic stainless steel pipes, 2205 duplex pipe has twice the compressive strength. Compared with 316L stainless steel pipe and 317L stainless steel pipe, designers can reduce their weight.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kaysuns.com\/pt\/blog\/vantagens-do-tubo-duplex-2205-sobre-o-tubo-de-aco-inoxidavel-316l\/\" \/>\n<meta property=\"og:site_name\" content=\"Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-02T05:50:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-stainless-steel-SAF-2205.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"439\" \/>\n\t<meta property=\"og:image:height\" content=\"436\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kaysuns.com\/blog\/advantages-of-duplex-2205-pipe-over-316l-stainless-steel-pipe\/\",\"url\":\"https:\/\/www.kaysuns.com\/blog\/advantages-of-duplex-2205-pipe-over-316l-stainless-steel-pipe\/\",\"name\":\"Advantages Of Duplex 2205 Pipe Over 316L Stainless Steel Pipe - Stainless Steel Pipe and Fittings | KAYSUNS\",\"isPartOf\":{\"@id\":\"https:\/\/www.kaysuns.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/advantages-of-duplex-2205-pipe-over-316l-stainless-steel-pipe\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/advantages-of-duplex-2205-pipe-over-316l-stainless-steel-pipe\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-stainless-steel-SAF-2205.jpg\",\"datePublished\":\"2020-01-13T03:53:40+00:00\",\"dateModified\":\"2026-02-02T05:50:33+00:00\",\"description\":\"Compared with austenitic stainless steel pipes, 2205 duplex pipe has twice the compressive strength. 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