{"id":5524,"date":"2025-05-20T16:16:22","date_gmt":"2025-05-20T08:16:22","guid":{"rendered":"https:\/\/uniasen.com\/?p=5524"},"modified":"2025-05-20T16:17:32","modified_gmt":"2025-05-20T08:17:32","slug":"difference-between-seamless-steel-pipe-and-seamed-steel-pipe","status":"publish","type":"post","link":"https:\/\/uniasen.com\/pt\/blog\/diferenca-entre-tubo-de-aco-sem-costura-e-tubo-de-aco-com-costura\/","title":{"rendered":"Diferen\u00e7a entre tubo de a\u00e7o sem costura e tubo de a\u00e7o com costura"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5526\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamed-steel-pipes-and-seamless-steel-pipes.webp\" alt=\"tubos de a\u00e7o com costura e tubos de a\u00e7o sem costura\" width=\"792\" height=\"594\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamed-steel-pipes-and-seamless-steel-pipes.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamed-steel-pipes-and-seamless-steel-pipes-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamed-steel-pipes-and-seamless-steel-pipes-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamed-steel-pipes-and-seamless-steel-pipes-16x12.webp 16w\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" \/><\/p>\n<p>Os tubos de a\u00e7o usados em opera\u00e7\u00f5es industriais se enquadram em duas categorias: sem costura e com costura. Entender suas diferen\u00e7as \u00e9 essencial para avaliar qual \u00e9 o melhor para voc\u00ea.<\/p>\n<h2>Vis\u00e3o geral dos tubos de a\u00e7o sem costura<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5528\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamless-carbon-steel-pipe\u200b.webp\" alt=\"Tubo de a\u00e7o carbono sem costura\" width=\"795\" height=\"596\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamless-carbon-steel-pipe\u200b.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamless-carbon-steel-pipe\u200b-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamless-carbon-steel-pipe\u200b-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/seamless-carbon-steel-pipe\u200b-16x12.webp 16w\" sizes=\"auto, (max-width: 795px) 100vw, 795px\" \/><\/p>\n<p><a href=\"https:\/\/uniasen.com\/pt\/blog\/o-que-e-um-tubo-sem-costura\/\"><em class=\"t55VCb\">Tubos sem costura<\/em><\/a>\u00a0s\u00e3o considerados mais fortes e mais confi\u00e1veis do que os soldados\u00a0<em class=\"t55VCb\">tubos<\/em>\u00a0devido \u00e0 sua estrutura uniforme e \u00e0 aus\u00eancia de\u00a0<em class=\"t55VCb\">de<\/em>\u00a0soldas ou juntas.<\/p>\n<p>Como voc\u00ea deve ter adivinhado pelo nome, os tubos de a\u00e7o sem costura n\u00e3o t\u00eam costura de solda. A principal mat\u00e9ria-prima para a fabrica\u00e7\u00e3o de tubos sem costura s\u00e3o os tarugos de a\u00e7o. Os tarugos s\u00e3o perfurados com uma ferramenta de perfura\u00e7\u00e3o, resultando em um tubo de a\u00e7o sem juntas. Esses tubos s\u00e3o retos e n\u00e3o t\u00eam cantos ou \u00e2ngulos soldados. Os tubos de a\u00e7o sem costura s\u00e3o fabricados por lamina\u00e7\u00e3o a quente, lamina\u00e7\u00e3o a frio ou trefila\u00e7\u00e3o a frio. Os tubos de a\u00e7o sem costura t\u00eam excelente resist\u00eancia \u00e0 flex\u00e3o e \u00e0 tor\u00e7\u00e3o. Por esse motivo, eles s\u00e3o vistos em aplica\u00e7\u00f5es de alta press\u00e3o. Eles comp\u00f5em tubos de plataformas de petr\u00f3leo, eixos de transmiss\u00e3o de autom\u00f3veis, f\u00e1bricas de produtos qu\u00edmicos e estruturas de apoio \u00e0 constru\u00e7\u00e3o.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong><b>Vis\u00e3o geral dos tubos de a\u00e7o com costura<\/b><\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5529\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/lsaw-welded-steel-pipe\u200b.webp\" alt=\"tubo de a\u00e7o soldado lsaw\" width=\"797\" height=\"598\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/lsaw-welded-steel-pipe\u200b.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/lsaw-welded-steel-pipe\u200b-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/lsaw-welded-steel-pipe\u200b-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/05\/lsaw-welded-steel-pipe\u200b-16x12.webp 16w\" sizes=\"auto, (max-width: 797px) 100vw, 797px\" \/><\/p>\n<p>Os tubos de a\u00e7o com costura tamb\u00e9m s\u00e3o chamados de tubos de a\u00e7o soldados. As tiras ou chapas de a\u00e7o s\u00e3o as principais mat\u00e9rias-primas. Por serem geralmente redondos e comumente vistos no transporte de \u00e1gua\/\u00f3leo\/g\u00e1s. Eles t\u00eam uma costura de solda longitudinal ao longo de seu corpo. Com o p\u00f3s-processamento, essa costura fica pouco vis\u00edvel. Durante a fabrica\u00e7\u00e3o, os rolos formam placas de a\u00e7o em um formato cil\u00edndrico. A soldagem \u00e9 realizada para prender as extremidades por meio do processo ERW ou SAW. O tratamento p\u00f3s-soldagem garante que o tubo esteja dimensionalmente correto e atenda aos requisitos de resist\u00eancia. Os tubos de a\u00e7o com costura s\u00e3o empregados principalmente em tubula\u00e7\u00f5es de \u00e1gua, \u00f3leo, g\u00e1s ou esgoto. Eles s\u00e3o vistos principalmente no setor de constru\u00e7\u00e3o.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong><b>Diferen\u00e7as entre tubos de a\u00e7o com e sem costura<\/b><\/strong><\/h2>\n<p>&nbsp;<\/p>\n<h3><strong><b>Processo de produ\u00e7\u00e3o<\/b><\/strong><\/h3>\n<p>Enquanto os tubos sem costura s\u00e3o fabricados por meio de extrus\u00e3o e lamina\u00e7\u00e3o de tarugos, os tubos com costura s\u00e3o fabricados pela uni\u00e3o de chapas de a\u00e7o por meio de soldagem. Devido a seus diferentes processos de produ\u00e7\u00e3o, eles t\u00eam caracter\u00edsticas diferentes. Por exemplo, os tubos de a\u00e7o soldados cont\u00eam sil\u00edcio, enxofre e mangan\u00eas. Esses elementos aumentam o desempenho da solda. No entanto, eles n\u00e3o est\u00e3o presentes nos tubos de a\u00e7o sem costura. Al\u00e9m disso, devido ao processo de produ\u00e7\u00e3o trabalhoso dos tubos sem costura, a ASTM permite que eles tenham irregularidades de espessura de parede mais amplas do que os tubos com costura.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong><b>Estrutura e desempenho<\/b><\/strong><\/h3>\n<p>Devido \u00e0 penetra\u00e7\u00e3o da ferramenta de a\u00e7o durante a perfura\u00e7\u00e3o do tarugo, os tubos sem costura t\u00eam maior excentricidade. Os tubos de a\u00e7o soldados s\u00e3o feitos de chapas de a\u00e7o trefiladas e laminadas, oferecendo maior precis\u00e3o de espessura. Os tubos de a\u00e7o sem costura t\u00eam maior resist\u00eancia \u00e0 tra\u00e7\u00e3o do que os tubos com costura, mas n\u00e3o s\u00e3o adequados para fins de soldagem. \u00c9 mais f\u00e1cil produzir tubos sem costura de paredes grossas e tubos com costura de paredes finas.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong><b>Custo e efici\u00eancia<\/b><\/strong><\/h3>\n<p>A fabrica\u00e7\u00e3o de tubos de a\u00e7o sem costura \u00e9 mais desafiadora do que a de tubos de a\u00e7o com costura. Como eles s\u00e3o fabricados em um \u00fanico comprimento, sua montagem precisa ter um tamanho fixo e operar lentamente. Os tubos de a\u00e7o sem costura t\u00eam uma espessura maior do que os tubos soldados, o que aumenta o custo e o tempo de produ\u00e7\u00e3o. Devido a esses fatores, os tubos sem costura custam duas vezes mais do que os tubos com costura.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong><b>Apar\u00eancia e precis\u00e3o<\/b><\/strong><\/h3>\n<p>Uma das principais diferen\u00e7as entre esses dois tubos \u00e9 a costura de solda. Se voc\u00ea examinar a parede interna de um tubo com costura, encontrar\u00e1 uma costura de solda longitudinal. No caso do tubo de a\u00e7o sem costura, essa costura n\u00e3o existe. Os tubos sem costura tamb\u00e9m s\u00e3o geralmente mais grossos e mais largos do que os tubos com costura.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong><b>Ambiente aplic\u00e1vel<\/b><\/strong><\/h3>\n<p>Depois de conhecer o ambiente em que os tubos de a\u00e7o ser\u00e3o utilizados, voc\u00ea poder\u00e1 descobrir a melhor composi\u00e7\u00e3o de liga. Entretanto, seu desempenho n\u00e3o difere substancialmente. Os tubos de a\u00e7o sem costura geralmente t\u00eam maior espessura de parede e di\u00e2metro externo. Isso os torna ideais para redes de tubula\u00e7\u00f5es de petr\u00f3leo e g\u00e1s. Eles atuam como componentes estruturais em maquin\u00e1rio industrial. Os tubos de a\u00e7o com costura s\u00e3o mais adequados para aplica\u00e7\u00f5es de baixa press\u00e3o. S\u00e3o imensamente vers\u00e1teis e apropriados para tubula\u00e7\u00f5es com \u00e2ngulos e curvas. Por esse motivo, s\u00e3o empregados em tubula\u00e7\u00f5es dom\u00e9sticas, f\u00e1bricas de produtos qu\u00edmicos, instala\u00e7\u00f5es de tratamento de \u00e1gua etc.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong><b>Conclus\u00e3o<\/b><\/strong><\/h2>\n<p>As diferentes propriedades dos tubos de a\u00e7o com e sem costura determinam em grande parte seus cen\u00e1rios de aplica\u00e7\u00e3o. Antes de investir em tubos para o seu projeto, voc\u00ea deve ter em mente suas qualidades distintas. Est\u00e1 planejando um abastecimento dom\u00e9stico de \u00e1gua? Os tubos de a\u00e7o com costura ser\u00e3o perfeitos para voc\u00ea. Est\u00e1 instalando um gasoduto em um trecho de terra? Considere os tubos de a\u00e7o sem costura. Se tiver alguma d\u00favida sobre tubos de a\u00e7o, recomendamos que voc\u00ea <a href=\"https:\/\/uniasen.com\/pt\/contato\/\">Entre em contato conosco<\/a>. Teremos prazer em ajud\u00e1-lo a selecionar os tubos.<\/p>","protected":false},"excerpt":{"rendered":"<p>Os tubos de a\u00e7o usados em opera\u00e7\u00f5es industriais se enquadram em duas categorias: sem costura e com costura. Entender suas diferen\u00e7as \u00e9 essencial para avaliar qual \u00e9 o melhor para voc\u00ea. Vis\u00e3o geral dos tubos de a\u00e7o sem costura Os tubos sem costura s\u00e3o considerados mais fortes e mais confi\u00e1veis do que os tubos soldados devido \u00e0 sua estrutura uniforme e \u00e0 aus\u00eancia de soldas ou juntas. Como voc\u00ea j\u00e1 deve ter adivinhado pelo nome,...<\/p>","protected":false},"author":10,"featured_media":5526,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Difference Between Seamless Steel Pipe and Seamed Steel Pipe<\/title>\n<meta name=\"description\" content=\"Seamless steel pipes, crafted from solid round steel without welds, offer superior strength and uniformity. Seamed steel pipes, welded for cost-effective production, feature visible inner weld bars, making them less reliable for high-pressure applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uniasen.com\/pt\/blog\/diferenca-entre-tubo-de-aco-sem-costura-e-tubo-de-aco-com-costura\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Difference Between Seamless Steel Pipe and Seamed Steel Pipe\" \/>\n<meta property=\"og:description\" content=\"Seamless steel pipes, crafted from solid round steel without welds, offer superior strength and uniformity. 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