{"id":6556,"date":"2020-12-14T06:08:37","date_gmt":"2020-12-14T06:08:37","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6556"},"modified":"2025-06-19T06:44:47","modified_gmt":"2025-06-19T06:44:47","slug":"aplicacao-de-tubos-de-aco-inoxidavel-na-industria-petroquimica-2","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/aplicacao-de-tubos-de-aco-inoxidavel-na-industria-petroquimica-2\/","title":{"rendered":"Aplica\u00e7\u00e3o de tubos de a\u00e7o inoxid\u00e1vel na ind\u00fastria petroqu\u00edmica"},"content":{"rendered":"<p>A tubula\u00e7\u00e3o de a\u00e7o inoxid\u00e1vel para a ind\u00fastria petroqu\u00edmica \u00e9 uma de suas aplica\u00e7\u00f5es.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"629\" height=\"315\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Chinas-West-East-Gas-Pipeline-Project.jpg\" alt=\"Projeto de gasoduto oeste-leste da China\" class=\"wp-image-6557\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Chinas-West-East-Gas-Pipeline-Project.jpg 629w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Chinas-West-East-Gas-Pipeline-Project-300x150.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Chinas-West-East-Gas-Pipeline-Project-100x50.jpg 100w\" sizes=\"(max-width: 629px) 100vw, 629px\" \/><figcaption class=\"wp-element-caption\">O projeto de gasoduto oeste-leste da China<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Quer se trate de edif\u00edcios, eletrodom\u00e9sticos, ve\u00edculos, pe\u00e7as ou mesmo militares, a depend\u00eancia do a\u00e7o inoxid\u00e1vel tamb\u00e9m \u00e9 muito elevada. Portanto, a classifica\u00e7\u00e3o do a\u00e7o inoxid\u00e1vel \u00e9 relativamente complicada, como os tubos redondos de a\u00e7o inoxid\u00e1vel e tubos retangulares de a\u00e7o inoxid\u00e1vel de acordo com a forma da se\u00e7\u00e3o transversal, alguns de acordo com o of\u00edcio, e tamb\u00e9m de acordo com o uso semanal.<\/p>\n\n\n\n<p>No entanto, existe tamb\u00e9m o m\u00e9todo mais comumente usado para distinguir o a\u00e7o inoxid\u00e1vel, que \u00e9 classific\u00e1-lo de acordo com a estrutura do a\u00e7o. Na ind\u00fastria de petr\u00f3leo e petroqu\u00edmica, a\u00e7o inoxid\u00e1vel austen\u00edtico, a\u00e7o inoxid\u00e1vel ferr\u00edtico e duplex <a href=\"https:\/\/www.kaysuns.com\/pt\/\" target=\"_blank\">tubos e acess\u00f3rios de a\u00e7o inoxid\u00e1vel<\/a> s\u00e3o as principais propor\u00e7\u00f5es de aplica\u00e7\u00e3o.<\/p>\n\n\n\n<p>O conte\u00fado de Cr de <strong>a\u00e7o inoxid\u00e1vel ferr\u00edtico<\/strong> \u00e9 geralmente 13%-30%, e o conte\u00fado C \u00e9 geralmente menor que 0,25%. Ap\u00f3s o recozimento ou envelhecimento, os carbonetos s\u00e3o precipitados nos contornos dos gr\u00e3os da ferrita, de modo a obter resist\u00eancia \u00e0 corros\u00e3o. A resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel ferr\u00edtico \u00e9 menor do que a do a\u00e7o inoxid\u00e1vel austen\u00edtico e do a\u00e7o inoxid\u00e1vel duplex, mas maior do que a do a\u00e7o inoxid\u00e1vel martens\u00edtico. Como o a\u00e7o inoxid\u00e1vel ferr\u00edtico tem um custo de produ\u00e7\u00e3o mais baixo do que outros tipos de a\u00e7o inoxid\u00e1vel, ele \u00e9 usado principalmente em campos que n\u00e3o requerem meios de alta corros\u00e3o e resist\u00eancia na ind\u00fastria petroqu\u00edmica.<\/p>\n\n\n\n<p>O conte\u00fado do Cr em <strong>a\u00e7o inoxid\u00e1vel martens\u00edtico<\/strong> \u00e9 geralmente 13% a 17%, e o conte\u00fado de C \u00e9 de 0,1% a 0,7%. Possui alta resist\u00eancia, dureza e resist\u00eancia ao desgaste, mas baixa resist\u00eancia \u00e0 corros\u00e3o. O a\u00e7o inoxid\u00e1vel martens\u00edtico \u00e9 usado principalmente em ambientes onde meios corrosivos n\u00e3o s\u00e3o fortes na ind\u00fastria de petr\u00f3leo e petroqu\u00edmica, como componentes que requerem alta tenacidade e carga de impacto, como l\u00e2minas de turbinas, parafusos e outras pe\u00e7as relacionadas.<\/p>\n\n\n\n<p>O teor de Cr do a\u00e7o inoxid\u00e1vel austen\u00edtico \u00e9 geralmente de 17% a 20%, o teor de Ni \u00e9 de 8% a 16% e o teor de C \u00e9 geralmente inferior a 0,12%. A zona de transforma\u00e7\u00e3o da austenita \u00e9 ampliada pela adi\u00e7\u00e3o de Ni para obter austenita \u00e0 temperatura ambiente. A estrutura do corpo. Em compara\u00e7\u00e3o com outros a\u00e7os inoxid\u00e1veis, o a\u00e7o inoxid\u00e1vel austen\u00edtico tem excelente resist\u00eancia \u00e0 corros\u00e3o, plasticidade, tenacidade, desempenho de processamento e conforma\u00e7\u00e3o, desempenho de soldagem, desempenho em baixas temperaturas, etc., por isso \u00e9 o mais amplamente utilizado em v\u00e1rios campos, e seu uso representa cerca de todo o a\u00e7o inoxid\u00e1vel, cerca de 70% da quantidade. Na ind\u00fastria petrol\u00edfera e petroqu\u00edmica, o a\u00e7o inoxid\u00e1vel austen\u00edtico tem maiores vantagens em meios corrosivos fortes e meios de baixa temperatura, como componentes internos com alta resist\u00eancia \u00e0 corros\u00e3o, especialmente em <a href=\"https:\/\/www.kaysuns.com\/pt\/perigo-oculto-da-corrosao-intergranular\/\" target=\"_blank\">corros\u00e3o intergranular<\/a> Ambientes, trocadores de calor\/acess\u00f3rios para tubos e liquefa\u00e7\u00e3o a baixa temperatura. Gasodutos de transporte de g\u00e1s natural (GNL), ureia, am\u00f4nia sulf\u00farica e outros vasos de produ\u00e7\u00e3o, equipamentos de remo\u00e7\u00e3o de poeira e dessulfura\u00e7\u00e3o de gases de combust\u00e3o.<\/p>\n\n\n\n<p>O custo da liga de <strong>a\u00e7o inoxid\u00e1vel duplex<\/strong> \u00e9 baixo. O a\u00e7o inoxid\u00e1vel duplex tem excelente resist\u00eancia \u00e0 corros\u00e3o e desempenho abrangente superior. Ele supera a fraca resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel ferr\u00edtico e martens\u00edtico e a resist\u00eancia e resist\u00eancia ao desgaste do a\u00e7o inoxid\u00e1vel austen\u00edtico. Defici\u00eancias de insuficiente. Devido ao seu excelente desempenho em resist\u00eancia \u00e0 corros\u00e3o e resist\u00eancia ao desgaste, os tubos de a\u00e7o inoxid\u00e1vel duplex da ind\u00fastria petroqu\u00edmica s\u00e3o usados principalmente no campo de transporte de petr\u00f3leo em plataformas de petr\u00f3leo offshore, que podem resistir \u00e0 corros\u00e3o de longo prazo da \u00e1gua do mar e eros\u00e3o da areia.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.kaysuns.com\/pt\/\" target=\"_blank\">Acess\u00f3rios para tubos de a\u00e7o inoxid\u00e1vel<\/a> desempenham principalmente o papel de canais de transporte em v\u00e1rios campos. Seja o Projeto de Transfer\u00eancia de \u00c1gua do Sul para o Norte da China ou o Projeto de Gasoduto Oeste-Leste, s\u00e3o utilizados tubos de a\u00e7o inoxid\u00e1vel.<\/p>","protected":false},"featured_media":6557,"template":"","categories":[186],"tags":[],"class_list":["post-6556","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>Petrochemical Industry Stainless Steel Pipes Application - KAYSUNS<\/title>\n<meta name=\"description\" content=\"There are many application fields of stainless steel pipes, like Petrochemical Industry Stainless Steel Pipes, LNG stainless steel pipes...\" \/>\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\/aplicacao-de-tubos-de-aco-inoxidavel-na-industria-petroquimica-2\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Petrochemical Industry Stainless Steel Pipes Application - 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