{"id":5590,"date":"2020-02-07T10:36:25","date_gmt":"2020-02-07T10:36:25","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5590"},"modified":"2025-07-07T07:17:11","modified_gmt":"2025-07-07T07:17:11","slug":"o-que-e-um-tubo-de-aco-inoxidavel-austenitico-sem-costura","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/o-que-e-um-tubo-de-aco-inoxidavel-austenitico-sem-costura\/","title":{"rendered":"O que \u00e9 tubo sem costura de a\u00e7o inoxid\u00e1vel austen\u00edtico"},"content":{"rendered":"

O que \u00e9 tubo sem costura de a\u00e7o inoxid\u00e1vel austen\u00edtico<\/h2>\n

Austen\u00edtico tubo sem costura de a\u00e7o inoxid\u00e1vel<\/a> refere-se a um tubo de a\u00e7o inoxid\u00e1vel<\/a> com estrutura austen\u00edtica sob alta temperatura e temperatura normal.<\/p>\n

\"tubos<\/a><\/p>\n

Quando o tubo de a\u00e7o cont\u00e9m cerca de 18% de Cr, 8% a 10% de Ni e cerca de 0,1% de C, ele tem uma estrutura de austenita est\u00e1vel.<\/p>\n

Os a\u00e7os inoxid\u00e1veis austen\u00edticos de cromo-n\u00edquel incluem os bem conhecidos a\u00e7os 18Cr-8Ni e a\u00e7os de alta s\u00e9rie Cr-Ni desenvolvidos pelo aumento do teor de Cr e Ni e adi\u00e7\u00e3o de elementos como Mo, Cu, Si, Nb e Ti.<\/p>\n

O a\u00e7o inoxid\u00e1vel austen\u00edtico n\u00e3o \u00e9 magn\u00e9tico e tem alta tenacidade e plasticidade, mas sua resist\u00eancia \u00e9 baixa. N\u00e3o pode ser fortalecido pela transforma\u00e7\u00e3o de fase. S\u00f3 pode ser fortalecido por trabalho a frio. Se S, Ca, Se, Te e outros elementos forem adicionados, ele tem boa Maquinabilidade.<\/p>\n

Materiais de tubo sem costura de a\u00e7o inoxid\u00e1vel austen\u00edtico: <\/strong><\/p>\n

304 (06Cr19Ni10)<\/a>, 304L (022Cr19Ni10)<\/a>, 304N (06Cr19Ni10N), 321 (06Cr18Ni11Ti)<\/a>, 321H (07Cr17Ni11Ti), 316 (06Cr17Ni12Mo2)<\/a>, 316L (022Cr17Ni12Mo2)<\/a>, 316LN (022Cr17Ni12Mo2N)<\/a>, 347H (07Cr18Ni11Nb)<\/a>, 347HFG, 310S (06Cr25Ni20)<\/a>.<\/p>\n

Especifica\u00e7\u00f5es do tubo sem costura de a\u00e7o inoxid\u00e1vel austen\u00edtico:<\/strong><\/p>\n

Di\u00e2metro externo \u03a66-762 mm; espessura da parede: 0,5-50mm, comprimento m\u00e1ximo 18000mm
\nEspecifica\u00e7\u00f5es especiais est\u00e3o dispon\u00edveis mediante negocia\u00e7\u00e3o.<\/p>\n

An\u00e1lise de Material:<\/strong><\/p>\n

    \n
  1. SUS304 \u2014\u2014 resist\u00eancia a \u00e1cidos e \u00e1lcalis, resist\u00eancia ao desgaste, n\u00e3o \u00e9 f\u00e1cil de enferrujar, magn\u00e9tico, dureza Rockwell acima de HRC29.<\/li>\n
  2. 316L \u2014\u2014 Comparado com o fundo de carbono 316, resist\u00eancia a \u00e1cidos e \u00e1lcalis, bom desempenho antial\u00e9rgico, n\u00e3o magn\u00e9tico<\/li>\n<\/ol>\n
    \"Diagrama<\/a>
    Diagrama de desenvolvimento de tipos comuns de a\u00e7o inoxid\u00e1vel austen\u00edtico<\/figcaption><\/figure>\n

    Padr\u00f5es de implementa\u00e7\u00e3o:<\/strong><\/p>\n

      \n
    • Tubo de a\u00e7o sem costura GB \/ T14975-2012 de a\u00e7o inoxid\u00e1vel para estrutura<\/li>\n
    • Tubo de a\u00e7o inoxid\u00e1vel sem costura GB \/ T14976-2012 para transporte de fluidos<\/li>\n
    • GB13296-2013 tubos de a\u00e7o inoxid\u00e1vel sem costura para caldeiras e trocadores de calor<\/li>\n
    • Tubo de a\u00e7o sem costura GB 5310-2008 para caldeira de alta press\u00e3o<\/li>\n
    • Tubo de a\u00e7o sem costura GB 9948-2013 para craqueamento de petr\u00f3leo<\/li>\n
    • Tubo de a\u00e7o soldado GB \/ T12771-2008 para transporte de fluidos<\/li>\n
    • Tubo de a\u00e7o inoxid\u00e1vel austen\u00edtico sem costura ASTM A312 soldado<\/li>\n
    • Tubos de a\u00e7o de liga austen\u00edtica e ferr\u00edtica SMEASME SA213 para caldeiras, superaquecedores e trocadores de calor<\/li>\n
    • SMEASME SA269 tubos de a\u00e7o austen\u00edtico soldados para caldeiras, superaquecedores, trocadores de calor e condensadores<\/li>\n
    • Tubo de a\u00e7o inoxid\u00e1vel JIS G3463-2006 para caldeira e trocador de calor<\/li>\n
    • Tubo de a\u00e7o inoxid\u00e1vel JIS G3459-2012 para tubula\u00e7\u00e3o<\/li>\n
    • GOST 9941-81 tubo de a\u00e7o sem costura resistente \u00e0 corros\u00e3o processado a frio (quente) (padr\u00e3o russo de tubo de a\u00e7o)<\/li>\n
    • DIN 2462.1-1981 Padr\u00e3o alem\u00e3o para tubos de a\u00e7o inoxid\u00e1vel<\/li>\n
    • DIN17456-85 tubo de a\u00e7o inoxid\u00e1vel sem costura com requisitos de qualidade normais<\/li>\n
    • DIN17458-85 tubo de a\u00e7o inoxid\u00e1vel sem costura com requisitos especiais de qualidade<\/li>\n<\/ul>\n

      Caracter\u00edsticas de desempenho:<\/strong><\/p>\n

        \n
      • 1. Excelente resist\u00eancia \u00e0 corros\u00e3o de a\u00e7o inoxid\u00e1vel<\/li>\n
      • 2. Excelente trabalhabilidade a frio e a quente<\/li>\n
      • 3. Boa plasticidade e resist\u00eancia<\/li>\n
      • 4. O desempenho abrangente \u00e9 melhor<\/li>\n
      • 5. \u00c2mbito de aplica\u00e7\u00e3o mais amplo<\/li>\n<\/ul>","protected":false},"featured_media":5591,"template":"","categories":[186],"tags":[],"class_list":["post-5590","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"\nWhat Is Austenitic Stainless Steel Seamless Pipe - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"description\" content=\"Austenitic stainless steel seamless pipe refers to a stainless steel seamless pipe with austenitic structure under high temperature and normal temperature.\" \/>\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-e-um-tubo-de-aco-inoxidavel-austenitico-sem-costura\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is Austenitic Stainless Steel Seamless Pipe - 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