{"id":5365,"date":"2019-10-21T02:24:09","date_gmt":"2019-10-21T02:24:09","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5365"},"modified":"2022-06-30T09:03:23","modified_gmt":"2022-06-30T09:03:23","slug":"soldagem-de-tubos-de-aco-inoxidavel-sem-soldagem-de-argonio","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/soldagem-de-tubos-de-aco-inoxidavel-sem-soldagem-de-argonio\/","title":{"rendered":"Soldagem de tubo de a\u00e7o inoxid\u00e1vel sem soldagem de arg\u00f4nio"},"content":{"rendered":"<h2>Soldagem de tubo de a\u00e7o inoxid\u00e1vel sem soldagem de arg\u00f4nio<\/h2>\n<p>Normalmente soldagem de tubo de press\u00e3o de a\u00e7o inoxid\u00e1vel, <a href=\"https:\/\/www.kaysuns.com\/pt\/tubulacoes-de-aco-inoxidavel\/\" target=\"_blank\">tubula\u00e7\u00f5es de a\u00e7o inoxid\u00e1vel<\/a> preenchido com tungst\u00eanio protegido com arg\u00f4nio, soldagem a arco de arg\u00f4nio \u00e9 um m\u00e9todo comum usado para soldar a\u00e7o inoxid\u00e1vel e alguns tubos de a\u00e7o especial, porque este m\u00e9todo \u00e9 demorado, trabalhoso, intensivo em g\u00e1s e algumas portas de soldagem n\u00e3o podem ser carregadas em tudo. Prote\u00e7\u00e3o de arg\u00f4nio; tentar utilizar o m\u00e9todo de prote\u00e7\u00e3o contra esc\u00f3ria, ou seja, utilizando arame de soldagem ou arame tubular com revestimento para soldagem a arco tungst\u00eanio arg\u00f4nio; no processo de opera\u00e7\u00e3o, considerando a prote\u00e7\u00e3o da esc\u00f3ria no interior do tubo, a ideologia geral norteadora \u00e9 a de que a esc\u00f3ria da po\u00e7a de fus\u00e3o flua para dentro do tubo para proteger a solda da superf\u00edcie interna.<\/p>\n<p><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/10\/Stainless-steel-tube-welding-without-argon.jpg\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-5366\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/10\/Stainless-steel-tube-welding-without-argon.jpg\" alt=\"Soldagem de tubo de a\u00e7o inoxid\u00e1vel sem arg\u00f4nio\" width=\"639\" height=\"424\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/10\/Stainless-steel-tube-welding-without-argon.jpg 639w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/10\/Stainless-steel-tube-welding-without-argon-300x199.jpg 300w\" sizes=\"(max-width: 639px) 100vw, 639px\" \/><\/a><\/p>\n<p><strong>Prepara\u00e7\u00e3o antes da soldagem<\/strong><\/p>\n<ul>\n<li>1. Limpe o \u00f3leo, sujeira, incrusta\u00e7\u00f5es, \u00e1gua e \u00f3xidos pr\u00f3ximos \u00e0 interface da soldagem (1Cr18Ni9Ti 89 \u00d7 6 mm) para faz\u00ea-la brilhar.<\/li>\n<li>2. Consum\u00edveis de soldagem: TGF 308L para fio de soldagem livre de arg\u00f4nio de a\u00e7o inoxid\u00e1vel autoprotetor de 2,5 mm; ou fio fluxado de a\u00e7o inoxid\u00e1vel ER 308L de 2,2 mm. Superf\u00edcie de cobertura soldada (preenchida) com eletrodo de a\u00e7o inoxid\u00e1vel A132 de 3,2 mm.<\/li>\n<li>3. O g\u00e1s de prote\u00e7\u00e3o da soldagem frontal geralmente \u00e9 g\u00e1s arg\u00f4nio, a pureza deve ser maior que 99.95% e a taxa de fluxo \u00e9 geralmente 10L \/ min.<\/li>\n<li>4. fazendo a ranhura, lado \u00fanico 30 \u00b0 ~ 35 \u00b0, posicionamento de grupo, o lado errado \u00e9 inferior a 1 mm; usando o arame de soldagem para soldagem de ponto fixo, soldagem horizontal fixa em todas as posi\u00e7\u00f5es, tr\u00eas pontos de soldagem de posicionamento s\u00e3o distribu\u00eddos uniformemente, 6 pontos A posi\u00e7\u00e3o \u00e9 a junta de solda inicial. Para garantir a resist\u00eancia da junta de solda de posicionamento, o comprimento da solda de posicionamento \u00e9 de cerca de 10 mm e a altura \u00e9 de cerca de 1\/2 da espessura da parede. Ap\u00f3s a remo\u00e7\u00e3o da esc\u00f3ria, as duas pontas da costura soldada s\u00e3o retificadas em um declive suave para facilitar o nivelamento da junta.<\/li>\n<li>5. m\u00e1quina de solda: WS400, tungst\u00eanio 2,5 mm, bico 14 mm, fio de solda TGF308L 2,5, corrente (priming) 90 ~ 110A, fluxo 10L \/ min.<\/li>\n<\/ul>\n<p><strong>Soldagem inferior<\/strong><\/p>\n<ul>\n<li>1. Guiar o arco na superf\u00edcie da ranhura e imediatamente recuar at\u00e9 o ponto inicial da raiz da inclina\u00e7\u00e3o (geralmente cerca de 10mm antes da posi\u00e7\u00e3o das 6 horas). Quando come\u00e7ar a derreter, encha imediatamente o arame de solda para fundir o arame com o metal de base. Observa-se que o metal fundido e a esc\u00f3ria fundida fluem uniformemente para dentro do tubo atrav\u00e9s da ranhura para formar um buraco fundido; a pistola de soldagem balan\u00e7a em ziguezague pequeno, move-se ligeiramente para cima, o fio de soldagem n\u00e3o deixa a prote\u00e7\u00e3o de g\u00e1s arg\u00f4nio, e est\u00e1 preso \u00e0 borda romba da ranhura. O arame de solda, usando o m\u00e9todo de alimenta\u00e7\u00e3o intermitente do arame, um puxa e um envia, uma gota e uma gota para encher a piscina derretida.<\/li>\n<li>2. no processo de soldagem, para manter a opera\u00e7\u00e3o de arco curto; o cabo deve ser est\u00e1vel, o fio deve estar limpo, prestar aten\u00e7\u00e3o \u00e0 dist\u00e2ncia entre o fio e o tungst\u00eanio, para evitar o \"tungst\u00eanio\", caso contr\u00e1rio ele deve ser polido e depois soldado novamente.<\/li>\n<li>3. Controlar o tamanho e a forma dos orif\u00edcios fundidos \u00e9 a chave para a forma\u00e7\u00e3o dos dois lados da solda inferior.<\/li>\n<li>4. Durante o processo de soldagem de fundo, o fio de solda deve ser uniformemente derretido e uma fina camada de esc\u00f3ria \u00e9 uniformemente penetrada no bico para proteger a costura de solda. Esta \u00e9 a raz\u00e3o pela qual o fio de solda medicamentoso \u00e9 usado.<\/li>\n<li>5. ap\u00f3s a soldagem, martelar, para que a esc\u00f3ria de soldagem caia; tamb\u00e9m pode ser usado para remover a esc\u00f3ria de soldagem no tubo por ar comprimido ou \u00e1gua, de modo que o tubo obtenha uma bela solda amarelo-ouro.<\/li>\n<\/ul>\n<p><strong>Soldagem de cobertura<\/strong><\/p>\n<ul>\n<li>1. A soldagem \u00e9 feita de duas camadas de soldagem inferior e soldagem de cobertura.<\/li>\n<li>2. o material de soldagem da soldagem de cobertura \u00e9 o eletrodo de a\u00e7o inoxid\u00e1vel A132, o tamanho \u00e9 3,2 mm, a corrente \u00e9 80 ~ 120A.<\/li>\n<li>3. a posi\u00e7\u00e3o de soldagem \u00e9 soldagem em todas as posi\u00e7\u00f5es, soldagem a arco curto deve ser adotada e a sobreposi\u00e7\u00e3o deve ser maior que 10 mm.<\/li>\n<li>4. resfriamento lento ap\u00f3s a soldagem.<\/li>\n<\/ul>\n<p><strong>Teste<\/strong><\/p>\n<p>Postado por\u00a0<a href=\"https:\/\/www.kaysuns.com\/pt\/tubulacoes-de-aco-inoxidavel\/\" target=\"_blank\">fornecedor de tubos de a\u00e7o inoxid\u00e1vel<\/a>\u00a0e\u00a0<a href=\"https:\/\/www.kaysuns.com\/pt\/tubos-de-aco-inoxidavel\/\" target=\"_blank\">fornecedor de tubos de a\u00e7o inoxid\u00e1vel<\/a>\u00a0KAYSUNS.<\/p>","protected":false},"featured_media":5366,"template":"","categories":[186],"tags":[],"class_list":["post-5365","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 - 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