{"id":5704,"date":"2025-07-30T13:24:10","date_gmt":"2025-07-30T05:24:10","guid":{"rendered":"https:\/\/uniasen.com\/?page_id=5704"},"modified":"2025-08-07T09:08:45","modified_gmt":"2025-08-07T01:08:45","slug":"structural-steel-pipe","status":"publish","type":"page","link":"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-aco-estrutural\/","title":{"rendered":"Tubo de a\u00e7o estrutural"},"content":{"rendered":"<div id=\"page-header-414020982\" class=\"page-header-wrapper\">\n  <div class=\"page-title dark featured-title\">\n\n        <div class=\"page-title-bg\">\n      <div class=\"title-bg fill bg-fill\"\n        data-parallax-container=\".page-title\"\n        data-parallax-background\n data-parallax=\"-\">\n      <\/div>\n      <div class=\"title-overlay fill\"><\/div>\n    <\/div>\n    \n    <div class=\"page-title-inner container align-center flex-row medium-flex-wrap\" >\n              <div class=\"title-wrapper flex-col text-left medium-text-center\">\n          <h1 class=\"entry-title mb-0\">\n            Tubo de a\u00e7o estrutural          <\/h1>\n        <\/div>\n                    <div class=\"title-content flex-col flex-right text-right medium-text-center\">\n        <div class=\"title-breadcrumbs pb-half pt-half\"><\/div>      <\/div>\n    <\/div>\n\n     \n<style>\n#page-header-414020982 .title-bg {\n  background-image: url(https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/slide_3-scaled-1.webp);\n}\n<\/style>\n  <\/div>\n    <\/div>\n  \n\n\t<section class=\"section\" id=\"section_1897139010\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-524669133\">\n\n\t<div id=\"col-391985286\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"gap-638792153\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-638792153 {\n  padding-top: 4%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-middle\"  id=\"row-1522437490\">\n\n\t<div id=\"col-569277454\" class=\"col medium-12 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n  <div class=\"banner has-hover\" id=\"banner-2139924473\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/07\/structural-steel-pipe-supplier.webp\" class=\"bg\" alt=\"fornecedor de tubos de a\u00e7o estrutural\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/07\/structural-steel-pipe-supplier.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/07\/structural-steel-pipe-supplier-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/07\/structural-steel-pipe-supplier-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/07\/structural-steel-pipe-supplier-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>                                    \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n   <div id=\"text-box-1327617835\" class=\"text-box banner-layer x50 md-x50 lg-x50 y50 md-y50 lg-y50 res-text\">\n                                <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-center\">\n                  \n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-1327617835 {\n  width: 60%;\n}\n#text-box-1327617835 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-2139924473 {\n  padding-top: 56.25%;\n}\n#banner-2139924473 .banner-bg img {\n  object-position: 2% 100%;\n}\n<\/style>\n  <\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-788835265\" class=\"col medium-12 small-12 large-6 medium-col-first\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-1290091112\" class=\"text\">\n\t\t\n<h2>Fornecedor de tubos de a\u00e7o estrutural<\/h2>\n\t\t\n<style>\n#text-1290091112 {\n  font-size: 1.2rem;\n  text-align: center;\n}\n@media (min-width:550px) {\n  #text-1290091112 {\n    text-align: left;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-3137366896\" class=\"text\">\n\t\t\n<p>O tubo de a\u00e7o estrutural \u00e9 um a\u00e7o fundamental usado na constru\u00e7\u00e3o civil, em pontes, navios, petroqu\u00edmica e outros campos, principalmente como estrutura estrutural de suporte ou sistema de tubula\u00e7\u00e3o de transporte. As aplica\u00e7\u00f5es t\u00edpicas incluem colunas de suporte de carga de edif\u00edcios, treli\u00e7as de pontes, suportes de tubula\u00e7\u00f5es industriais e tubula\u00e7\u00f5es de transporte de petr\u00f3leo e g\u00e1s. Os tubos de a\u00e7o estrutural devem estar em conformidade com as normas internacionais <span class=\"wrapper\">(por exemplo,<\/span> <a href=\"https:\/\/uniasen.com\/pt\/padroes\/astm-a53\/\">ASTM A53<\/a>\/<a href=\"https:\/\/uniasen.com\/pt\/padroes\/astm-a106\/\">A106<\/a>, <a href=\"https:\/\/uniasen.com\/pt\/padroes\/api-5l\/\">API 5L<\/a>, <span class=\"wrapper\"><a href=\"https:\/\/uniasen.com\/pt\/padroes\/en-10219\/\">EN10219<\/a>etc.<\/span><span class=\"wrapper\">),<\/span> e t\u00eam as caracter\u00edsticas de alta resist\u00eancia e resist\u00eancia \u00e0 corros\u00e3o.<br \/>\n\t\t\n<style>\n#text-3137366896 {\n  font-size: 1.9rem;\n}\n<\/style>\n\t<\/div>\n\t\n<a href=\"#is-pop\" class=\"button alert\"  style=\"border-radius:9px;\">\n\t\t<span>Obter uma cota\u00e7\u00e3o gratuita<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"gap-540196832\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-540196832 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1897139010 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_244129287\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1513530653\">\n\n\t<div id=\"col-81199592\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Processo de fabrica\u00e7\u00e3o<\/h2>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1055639394\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<p>Os processos de fabrica\u00e7\u00e3o do tubo de a\u00e7o estrutural incluem principalmente o seguinte:<\/p>\n<ul>\n<li><strong>Lamina\u00e7\u00e3o a quente\/estiramento a frio:<\/strong> Usado para a produ\u00e7\u00e3o de tubos de a\u00e7o sem costura, adequado para ambientes de alta press\u00e3o e alta temperatura (como transmiss\u00e3o de petr\u00f3leo e g\u00e1s). O material inclui a\u00e7o-carbono, a\u00e7o-liga, etc.<\/li>\n<li><strong>Soldagem por resist\u00eancia el\u00e9trica (<span style=\"color: #003366;\"><a style=\"color: #003366;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-erw\/\">ERW<\/a><\/span>):<\/strong> Por meio da corrente el\u00e9trica de alta frequ\u00eancia, a moldagem por solda, um custo mais baixo, \u00e9 amplamente utilizada em estruturas arquitet\u00f4nicas e sistemas gerais de tubula\u00e7\u00e3o;<\/li>\n<li><strong>Soldagem por arco submerso (SAW):<\/strong> Dividido em Soldagem em espiral (<span style=\"color: #003366;\"><a style=\"color: #003366;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra\/\">SSAW<\/a><\/span>) e solda de costura reta (<a href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra-2\/\"><span style=\"color: #003366;\">LSAW<\/span><\/a>), adequado para tubula\u00e7\u00f5es de grande di\u00e2metro e paredes espessas, comumente usadas para transmiss\u00e3o de petr\u00f3leo e g\u00e1s a longa dist\u00e2ncia.<\/li>\n<li><strong>Galvaniza\u00e7\u00e3o:<\/strong> Desempenho anticorrosivo aprimorado por meio do processo de galvaniza\u00e7\u00e3o por imers\u00e3o a quente, ampliando a vida \u00fatil para mais de 50 anos.<\/li>\n<\/ul>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_244129287 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n}\n@media (min-width:550px) {\n  #section_244129287 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_681380841\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1895728719\">\n\n\t<div id=\"col-585312392\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Caracter\u00edsticas dos tubos de a\u00e7o estrutural<\/h2>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-899415122\">\n\n\t<div id=\"col-2116027929\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>1. Alta resist\u00eancia e capacidade de carga<\/h3>\n<p>Os tubos de a\u00e7o estrutural s\u00e3o geralmente feitos de a\u00e7o estrutural de carbono, a\u00e7o de baixa liga ou a\u00e7o de liga de alta resist\u00eancia. Esses materiais t\u00eam fortes propriedades de tra\u00e7\u00e3o e compress\u00e3o. Eles s\u00e3o ideais para estruturas que enfrentam cargas pesadas, como pontes, arranha-c\u00e9us e estruturas industriais.<\/p>\n<p>As estruturas de concreto com tubos de a\u00e7o s\u00e3o populares em treli\u00e7as de grande v\u00e3o e em projetos espaciais. Isso se deve \u00e0 resist\u00eancia combinada dos tubos de a\u00e7o e do concreto. Juntos, eles aumentam muito a resist\u00eancia \u00e0 flex\u00e3o e \u00e0 tor\u00e7\u00e3o.<\/p>\n<h3>2. Materiais e especifica\u00e7\u00f5es diversificados<\/h3>\n<p>Os materiais s\u00e3o divididos em tr\u00eas tipos:<\/p>\n<ul>\n<li>Tubos de a\u00e7o estrutural de carbono (como Q235 e Q345)<\/li>\n<li>Tubos de a\u00e7o de alta resist\u00eancia de baixa liga (como St52)<\/li>\n<li>Tubos de a\u00e7o inoxid\u00e1vel<\/li>\n<\/ul>\n<p>Esses tipos atendem \u00e0s necessidades de resist\u00eancia \u00e0 corros\u00e3o e a altas temperaturas em v\u00e1rios ambientes.<\/p>\n<p>As especifica\u00e7\u00f5es usam projetos padr\u00e3o, como as normas ASTM B36.10\/19 ou ASME. Elas especificam o tamanho nominal (NPS) e a espessura da parede (Schedule). Isso as torna adequadas para soldagem, flange, conex\u00f5es rosqueadas e outros m\u00e9todos de instala\u00e7\u00e3o.<\/p>\n<h3>3. Processo de produ\u00e7\u00e3o e aplicabilidade<\/h3>\n<p>Tubo sem costura: Fabricado por lamina\u00e7\u00e3o a quente ou processo de trefila\u00e7\u00e3o a frio, adequado para cen\u00e1rios de alta press\u00e3o e alta temperatura (por exemplo, oleodutos, estruturas de caldeiras).<\/p>\n<p>Tubo de a\u00e7o soldado (Welded Steel Pipe): Adota a tecnologia de soldagem de alta frequ\u00eancia ou de soldagem por arco submerso, com custo mais baixo, e \u00e9 usado principalmente para andaimes de constru\u00e7\u00e3o e estruturas de a\u00e7o leve.<\/p>\n<h3>4. Estabilidade estrutural e conveni\u00eancia de constru\u00e7\u00e3o<\/h3>\n<p>As estruturas de tubos de a\u00e7o, como treli\u00e7as e colunas de tubos, s\u00e3o leves e muito r\u00edgidas. Elas oferecem bom desempenho s\u00edsmico e apresentam projetos de n\u00f3s flex\u00edveis, incluindo n\u00f3s de a\u00e7o coerente e fundido. Esse design ajuda a facilitar a montagem modular.<\/p>\n<p>Por exemplo, a estrutura da base da coluna de tubo de a\u00e7o tem maior resist\u00eancia \u00e0 flex\u00e3o por meio do projeto de nervuras de refor\u00e7o e orif\u00edcios de ancoragem, evitando efetivamente o risco de fratura.<\/p>\n<h3>5. Normas do setor e cen\u00e1rios de aplicativos<\/h3>\n<p>Est\u00e3o em conformidade com os padr\u00f5es obrigat\u00f3rios dos setores de constru\u00e7\u00e3o, energia, transporte e outros, como a s\u00e9rie ASME B31 (projeto de tubula\u00e7\u00e3o), GB\/T 3091 (tubo de a\u00e7o para transporte de fluido de baixa press\u00e3o), etc., e s\u00e3o amplamente utilizados:<\/p>\n<ul>\n<li>Estruturas de engenharia: andaimes, mastros de torres, suportes de pontes;<\/li>\n<li>Instala\u00e7\u00f5es de energia: oleodutos e gasodutos, coletores de trocadores de calor;<\/li>\n<li>Engenharia especial: dispositivos de absor\u00e7\u00e3o de energia resistentes a explos\u00f5es, racks de tubula\u00e7\u00e3o para plataformas em alto mar.<\/li>\n<\/ul>\n<h3>6. Durabilidade e custos de manuten\u00e7\u00e3o<\/h3>\n<p>O tratamento de galvaniza\u00e7\u00e3o ou revestimento por imers\u00e3o a quente pode melhorar significativamente a resist\u00eancia \u00e0 corros\u00e3o e prolongar a vida \u00fatil (por exemplo, outdoors externos, corredores de tubula\u00e7\u00e3o subterr\u00e2nea).<\/p>\n<p>Os n\u00f3s soldados podem ser parcialmente aliviados das tens\u00f5es residuais por meio da galvaniza\u00e7\u00e3o por imers\u00e3o a quente, reduzindo o risco de deforma\u00e7\u00e3o em um est\u00e1gio posterior.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1528628610\">\n\n\t<div id=\"col-1733604499\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n<a href=\"#is-pop\" class=\"button alert\"  style=\"border-radius:9px;\">\n\t\t<span>Obter uma cota\u00e7\u00e3o gratuita<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_681380841 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_560762801\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-239897653\">\n\n\t<div id=\"col-1879168135\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Especifica\u00e7\u00f5es t\u00e9cnicas<\/h2>\n<h3>Padr\u00f5es<\/h3>\n<p>Os tubos estruturais est\u00e3o dispon\u00edveis em uma variedade de padr\u00f5es, dependendo da regi\u00e3o em que s\u00e3o usados. Nas Am\u00e9ricas, podem ser seguidas as normas ASTM A53 ou ASTM A500 e, na Europa, a EN 10219. Nos EUA, podem ser seguidas as normas GB\/T3091, GB\/T13793 e GB\/T 6728.<\/p>\n<ul>\n<li>ASTM A53: <span style=\"color: #003366;\"><a style=\"color: #003366;\" href=\"https:\/\/uniasen.com\/pt\/padroes\/astm-a53\/\">ASTM A53<\/a><\/span> \u00e9 um dos padr\u00f5es mais usados para materiais de tubos de a\u00e7o carbono nos setores de petr\u00f3leo e g\u00e1s e estrutural<span class=\"wrapper\">tores.<\/span><\/li>\n<li>ASTM A500: Somos especializados em<span class=\"wrapper\">e na manufatura<\/span>e exporta\u00e7\u00e3o <span style=\"color: #003366;\"><a style=\"color: #003366;\" href=\"https:\/\/uniasen.com\/pt\/padroes\/astm-a500\/\">ASTM A500<\/a><\/span> se\u00e7\u00f5es ocas de tubos retangulares padr\u00e3o.<\/li>\n<li>EN10210 Perfis ocos: <span style=\"color: #003366;\"><a style=\"color: #003366;\" href=\"https:\/\/uniasen.com\/pt\/padroes\/en-10219\/\">EN 10219<\/a><\/span> est\u00e3o dispon\u00edveis em formatos redondos, quadrados e retangulares para atender a uma ampla gama de requisitos de projeto e constru\u00e7\u00e3o.<\/li>\n<\/ul>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-977254705\">\n\n\t<div id=\"col-1591820237\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"row\"  id=\"row-553496816\">\n\n\t<div id=\"col-1215143411\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>Revestimentos<\/h3>\n<p>Os seguintes revestimentos s\u00e3o comumente aplicados a tubos de a\u00e7o estrutural para melhorar a resist\u00eancia \u00e0 corros\u00e3o:<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<table>\n<thead>\n<tr>\n<td>Tipo de revestimento<\/td>\n<td>Descri\u00e7\u00e3o<\/td>\n<td>Cen\u00e1rios de aplicativos<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Galvanizado<\/td>\n<td>Mergulhado a quente ou eletrogalvanizado; uma camada de zinco \u00e9 formada na superf\u00edcie para aumentar a resist\u00eancia \u00e0s intemp\u00e9ries.<\/td>\n<td>Estruturas mar\u00edtimas, sistemas de drenagem externa<\/td>\n<\/tr>\n<tr>\n<td>Preto<\/td>\n<td>Sem galvaniza\u00e7\u00e3o ou pintura; mant\u00e9m a cor original do a\u00e7o.<\/td>\n<td>Estruturas internas, ambientes de baixa corros\u00e3o<\/td>\n<\/tr>\n<tr>\n<td>Pintura<\/td>\n<td>Revestido com tinta ep\u00f3xi rica em zinco ou poliuretano; a cor pode ser personalizada.<\/td>\n<td>Edif\u00edcios industriais, estruturas decorativas<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_560762801 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"is-divider divider clearfix\" style=\"max-width:2000px;height:1px;\"><\/div>\n\n\t<section class=\"section\" id=\"section_1792322531\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1487311547\">\n\n\t<div id=\"col-5839507\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Dimens\u00f5es dos tubos de a\u00e7o estrutural<\/h2>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-2138764649\">\n\n\t<div id=\"col-1530590232\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div style=\"overflow: auto; \" >\n<table border=\"\u201d1\u2033\" width=\"\u201d3000px\u201d\" height=\"\u201d120px\u201d\" align=\"\u201dcenter\u201d\" >\n<thead>\n<tr>\n<th>DN<\/th>\n<th colspan=\"2\">O. D.<\/th>\n<th colspan=\"15\">W. T.<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><\/td>\n<td>Polegadas<\/td>\n<td>mm<\/td>\n<td>SCH5S<\/td>\n<td>SCH10S<\/td>\n<td>SCH10<\/td>\n<td>SCH20<\/td>\n<td>SCH30<\/td>\n<td>SCH40<\/td>\n<td>SCH60<\/td>\n<td>SCH80<\/td>\n<td>SCH100<\/td>\n<td>SCH120<\/td>\n<td>SCH140<\/td>\n<td>SCH160<\/td>\n<td>Sth<\/td>\n<td>XS<\/td>\n<td>XXS<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>2\u2033<\/td>\n<td>60.3<\/td>\n<td>1.65<\/td>\n<td>2.77<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>3.91<\/td>\n<td>-<\/td>\n<td>5.54<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>8.74<\/td>\n<td>3.91<\/td>\n<td>5.54<\/td>\n<td>11.07<\/td>\n<\/tr>\n<tr>\n<td>65<\/td>\n<td>2 1\/2\u2033<\/td>\n<td>73<\/td>\n<td>2.11<\/td>\n<td>3.05<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>5.16<\/td>\n<td>-<\/td>\n<td>7.01<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>9.53<\/td>\n<td>5.16<\/td>\n<td>7.01<\/td>\n<td>14.02<\/td>\n<\/tr>\n<tr>\n<td>80<\/td>\n<td>3\u2033<\/td>\n<td>88.9<\/td>\n<td>2.11<\/td>\n<td>3.05<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>5.49<\/td>\n<td>-<\/td>\n<td>7.62<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>11.13<\/td>\n<td>5.49<\/td>\n<td>7.52<\/td>\n<td>15.24<\/td>\n<\/tr>\n<tr>\n<td>90<\/td>\n<td>3 1\/2\u2033<\/td>\n<td>101.6<\/td>\n<td>2.11<\/td>\n<td>3.05<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>5.74<\/td>\n<td>-<\/td>\n<td>8.08<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>5.74<\/td>\n<td>8.08<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>4\u2033<\/td>\n<td>114.3<\/td>\n<td>2.11<\/td>\n<td>3.05<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>6.02<\/td>\n<td>-<\/td>\n<td>8.58<\/td>\n<td>-<\/td>\n<td>11.13<\/td>\n<td>-<\/td>\n<td>13.49<\/td>\n<td>6.02<\/td>\n<td>8.56<\/td>\n<td>17.12<\/td>\n<\/tr>\n<tr>\n<td>125<\/td>\n<td>5\u2033<\/td>\n<td>141.3<\/td>\n<td>2.77<\/td>\n<td>3.4<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>6.55<\/td>\n<td>-<\/td>\n<td>9.53<\/td>\n<td>-<\/td>\n<td>12.7<\/td>\n<td>-<\/td>\n<td>15.88<\/td>\n<td>6.55<\/td>\n<td>9.53<\/td>\n<td>18.05<\/td>\n<\/tr>\n<tr>\n<td>150<\/td>\n<td>6\u2033<\/td>\n<td>168.3<\/td>\n<td>2.77<\/td>\n<td>3.4<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>7.11<\/td>\n<td>-<\/td>\n<td>10.97<\/td>\n<td>-<\/td>\n<td>14.27<\/td>\n<td>-<\/td>\n<td>18.26<\/td>\n<td>7.11<\/td>\n<td>10.97<\/td>\n<td>21.95<\/td>\n<\/tr>\n<tr>\n<td>200<\/td>\n<td>8\u2033<\/td>\n<td>219.1<\/td>\n<td>2.77<\/td>\n<td>3.76<\/td>\n<td>-<\/td>\n<td>6.35<\/td>\n<td>7.04<\/td>\n<td>8.18<\/td>\n<td>10.31<\/td>\n<td>12.7<\/td>\n<td>15.09<\/td>\n<td>18.26<\/td>\n<td>20.62<\/td>\n<td>23.01<\/td>\n<td>8.18<\/td>\n<td>12.7<\/td>\n<td>22.23<\/td>\n<\/tr>\n<tr>\n<td>250<\/td>\n<td>10\u2033<\/td>\n<td>273.1<\/td>\n<td>3.4<\/td>\n<td>4.19<\/td>\n<td>-<\/td>\n<td>6.35<\/td>\n<td>7.8<\/td>\n<td>9.27<\/td>\n<td>12.7<\/td>\n<td>15.09<\/td>\n<td>18.26<\/td>\n<td>21.44<\/td>\n<td>25.4<\/td>\n<td>28.58<\/td>\n<td>9.27<\/td>\n<td>12.7<\/td>\n<td>25.4<\/td>\n<\/tr>\n<tr>\n<td>300<\/td>\n<td>12\u2033<\/td>\n<td>323.9<\/td>\n<td>3.96<\/td>\n<td>4.57<\/td>\n<td>-<\/td>\n<td>6.35<\/td>\n<td>8.38<\/td>\n<td>10.31<\/td>\n<td>14.27<\/td>\n<td>17.48<\/td>\n<td>21.44<\/td>\n<td>25.4<\/td>\n<td>28.58<\/td>\n<td>33.32<\/td>\n<td>9.53<\/td>\n<td>12.7<\/td>\n<td>25.4<\/td>\n<\/tr>\n<tr>\n<td>350<\/td>\n<td>14\u2033<\/td>\n<td>355.5<\/td>\n<td>3.96<\/td>\n<td>4.78<\/td>\n<td>6.35<\/td>\n<td>7.92<\/td>\n<td>9.53<\/td>\n<td>11.13<\/td>\n<td>15.09<\/td>\n<td>19.05<\/td>\n<td>23.83<\/td>\n<td>27.79<\/td>\n<td>31.75<\/td>\n<td>35.71<\/td>\n<td>9.53<\/td>\n<td>12.7<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>400<\/td>\n<td>16\u2033<\/td>\n<td>406.4<\/td>\n<td>4.19<\/td>\n<td>4.78<\/td>\n<td>6.35<\/td>\n<td>7.92<\/td>\n<td>9.53<\/td>\n<td>12.7<\/td>\n<td>16.66<\/td>\n<td>21.44<\/td>\n<td>26.19<\/td>\n<td>30.96<\/td>\n<td>36.53<\/td>\n<td>40.49<\/td>\n<td>9.53<\/td>\n<td>12.7<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>450<\/td>\n<td>18\u2033<\/td>\n<td>457.2<\/td>\n<td>4.19<\/td>\n<td>4.78<\/td>\n<td>6.35<\/td>\n<td>7.92<\/td>\n<td>11.13<\/td>\n<td>14.27<\/td>\n<td>19.05<\/td>\n<td>23.83<\/td>\n<td>39.36<\/td>\n<td>34.93<\/td>\n<td>39.67<\/td>\n<td>45.24<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>500<\/td>\n<td>20\u2033<\/td>\n<td>508<\/td>\n<td>4.78<\/td>\n<td>5.54<\/td>\n<td>6.35<\/td>\n<td>9.53<\/td>\n<td>12.7<\/td>\n<td>15.09<\/td>\n<td>20.62<\/td>\n<td>26.19<\/td>\n<td>32.54<\/td>\n<td>38.1<\/td>\n<td>44.45<\/td>\n<td>50.01<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>550<\/td>\n<td>22\u2033<\/td>\n<td>558.8<\/td>\n<td>4.78<\/td>\n<td>5.54<\/td>\n<td>6.35<\/td>\n<td>9.53<\/td>\n<td>12.7<\/td>\n<td>-<\/td>\n<td>22.23<\/td>\n<td>28.58<\/td>\n<td>34.93<\/td>\n<td>41.28<\/td>\n<td>47.63<\/td>\n<td>53.98<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<tr>\n<td>600<\/td>\n<td>24\u2033<\/td>\n<td>609.6<\/td>\n<td>5.54<\/td>\n<td>6.35<\/td>\n<td>6.35<\/td>\n<td>9.53<\/td>\n<td>14.27<\/td>\n<td>17.48<\/td>\n<td>24.61<\/td>\n<td>30.96<\/td>\n<td>38.89<\/td>\n<td>46.02<\/td>\n<td>52.37<\/td>\n<td>59.54<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<td>-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1792322531 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"is-divider divider clearfix\" style=\"max-width:2000px;height:1px;\"><\/div>\n\n\t<section class=\"section\" id=\"section_216847156\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-512362066\">\n\n\t<div id=\"col-930142885\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Vantagens dos tubos de a\u00e7o estrutural UNIASEN<\/h2>\n<ul>\n<li><strong>Sele\u00e7\u00e3o rigorosa de mat\u00e9rias-primas<\/strong>: somente mat\u00e9rias-primas de alta qualidade s\u00e3o usadas, e os \"materiais inferiores\" s\u00e3o eliminados da fonte;<\/li>\n<li><strong>Controle rigoroso do processo<\/strong>Controle rigoroso do processo: a cadeia de produ\u00e7\u00e3o adota o processo de circuito fechado de \"lamina\u00e7\u00e3o a quente \u2192 tratamento t\u00e9rmico \u2192 trefila\u00e7\u00e3o a frio \u2192 testes n\u00e3o destrutivos\", e a temperatura \u00e9 controlada a 1050\u00b110\u00b0C na lamina\u00e7\u00e3o a quente para garantir a espessura uniforme da parede (erro \u22640.5 mm); na trefila\u00e7\u00e3o a frio, o processo de \"trefila\u00e7\u00e3o em v\u00e1rios est\u00e1gios\" \u00e9 adotado para fazer com que a rugosidade da superf\u00edcie fique abaixo de Ra0,8 para reduzir a resist\u00eancia a fluidos; controle rigoroso do processo: a cadeia de produ\u00e7\u00e3o adota o processo de circuito fechado de \"lamina\u00e7\u00e3o a quente \u2192 tratamento t\u00e9rmico \u2192 trefila\u00e7\u00e3o a frio \u2192 testes n\u00e3o destrutivos\". Na lamina\u00e7\u00e3o a quente, a temperatura \u00e9 controlada em 1050\u00b110\u00b0C para garantir que a espessura da parede do tubo seja uniforme (erro \u22640,5 mm); na trefila\u00e7\u00e3o a frio, \u00e9 adotado o processo de \"trefila\u00e7\u00e3o m\u00faltipla\", para que a rugosidade da superf\u00edcie fique abaixo de Ra0,8, o que reduz a resist\u00eancia a fluidos;<\/li>\n<li><strong>Inspe\u00e7\u00e3o de produtos acabados:<\/strong> Cada tubo estrutural \u00e9 submetido a detec\u00e7\u00e3o de falhas por ultrassom, teste hidr\u00e1ulico, teste de propriedade mec\u00e2nica e \u00e9 acompanhado por um \"relat\u00f3rio de rastreabilidade de qualidade\", permitindo que os clientes \"testem\" o tubo. \"Acreditamos que \"servi\u00e7o n\u00e3o \u00e9 um complemento\".<\/li>\n<\/ul>\n<p>Acreditamos que \"o servi\u00e7o n\u00e3o \u00e9 um item adicional, mas uma extens\u00e3o do produto\", e estabelecemos um sistema de servi\u00e7o de processo completo.<\/p>\n<p><strong>Pr\u00e9-venda<\/strong>: Obtenha uma sele\u00e7\u00e3o e consulta gratuitas. Nossos engenheiros avaliar\u00e3o as condi\u00e7\u00f5es do seu projeto, como press\u00e3o, temperatura, m\u00eddia e ambiente de instala\u00e7\u00e3o. Em seguida, recomendaremos a melhor combina\u00e7\u00e3o de materiais, processos e especifica\u00e7\u00f5es. Isso o ajuda a evitar erros dispendiosos ou escolhas erradas.<\/p>\n<p><strong>Na venda<\/strong>: acompanhamento do progresso em tempo real para garantir a entrega no prazo.<\/p>\n<p><strong>P\u00f3s-venda:<\/strong> Resposta 24 horas aos \"problemas de instala\u00e7\u00e3o\" (como orienta\u00e7\u00e3o de soldagem) e \"problemas de qualidade\" (como reinspe\u00e7\u00e3o de testes n\u00e3o destrutivos) do cliente, dentro de 24 horas para dar uma solu\u00e7\u00e3o, para que os clientes possam \"construir sem preocupa\u00e7\u00f5es! Forneceremos solu\u00e7\u00f5es dentro de 24 horas, para que os clientes possam \"construir sem preocupa\u00e7\u00f5es\".<\/p>\n<div class=\"row\"  id=\"row-1575354314\">\n\n\t<div id=\"col-1039067234\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n<a href=\"#is-pop\" class=\"button alert\"  style=\"border-radius:9px;\">\n\t\t<span>Obter uma cota\u00e7\u00e3o gratuita<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_216847156 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_555890952\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1366552523\">\n\n\t<div id=\"col-663528836\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Aplicativos<\/h2>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-295462114\">\n\n\t<div id=\"col-515782102\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>1. Constru\u00e7\u00e3o e infraestrutura: Estruturas estruturais e estruturas de grandes v\u00e3os<\/h3>\n<p>Os tubos de a\u00e7o estrutural s\u00e3o os principais membros de suporte de carga de grandes estruturas, como edif\u00edcios, pontes, navios e outras estruturas semelhantes. Eles s\u00e3o usados principalmente para formar quadros estruturais e proporcionar estabilidade geral.<\/p>\n<ul>\n<li>Estruturas de constru\u00e7\u00e3o: Tubos de a\u00e7o estrutural mais pesados, como tubos de paredes espessas, vigas I, cantoneiras e canais, atendem aos padr\u00f5es do setor de constru\u00e7\u00e3o. Eles s\u00e3o usados para criar a estrutura de um edif\u00edcio, como colunas e vigas, que sustentam o telhado, as paredes e as cargas internas.<\/li>\n<li>Ponte de grande v\u00e3o: Esse tipo \u00e9 para a constru\u00e7\u00e3o de pontes de tubos de a\u00e7o de grande envergadura e servi\u00e7o pesado, como aquelas sobre canais. Ele usa a tecnologia de instala\u00e7\u00e3o de arrasto flutuante para enfrentar os desafios de constru\u00e7\u00e3o de grandes estruturas.<\/li>\n<li>Viga de tubo espacial: Essa viga tubular de alta resist\u00eancia conecta a alma e a corda diretamente, portanto n\u00e3o h\u00e1 necessidade de uma placa de n\u00f3. \u00c9 ideal para estruturas de grandes v\u00e3os, como gin\u00e1sios e centros de exposi\u00e7\u00f5es. Ele economiza a\u00e7o e oferece \u00f3timas propriedades mec\u00e2nicas.<\/li>\n<\/ul>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2085327803\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>2. Ind\u00fastria e energia: Pipe Racks e estruturas especiais<\/h3>\n<p>Na ind\u00fastria, os tubos de a\u00e7o estrutural suportam principalmente equipamentos, tubula\u00e7\u00f5es e instala\u00e7\u00f5es especiais. Eles s\u00e3o especialmente \u00fateis quando a resist\u00eancia \u00e0 carga e a facilidade de manuten\u00e7\u00e3o s\u00e3o necess\u00e1rias.<\/p>\n<ul>\n<li>Pipe Racks: Uma estrutura fundamental em usinas petroqu\u00edmicas, qu\u00edmicas e de energia, usada para suportar tubula\u00e7\u00f5es, cabos de energia, bandejas de cabos de instrumenta\u00e7\u00e3o e at\u00e9 mesmo equipamentos mec\u00e2nicos, vasos e plataformas de acesso a v\u00e1lvulas. Sua estrutura tem quadros transversais resistentes \u00e0 flex\u00e3o (Bents) para suportar cargas de gravidade. Ela tamb\u00e9m inclui colunas longitudinais e refor\u00e7os diagonais para resistir a cargas laterais. Esse projeto garante a estabilidade do sistema de tubula\u00e7\u00e3o.<\/li>\n<li>Estrutura da estufa: A estufa de luz do dia usa uma treli\u00e7a de grande v\u00e3o sem colunas, feita de tubo de a\u00e7o. Esse projeto evita que a luz do sol seja bloqueada pelas colunas e tamb\u00e9m garante um suporte forte.<\/li>\n<\/ul>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-257745971\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>3. Engenharia de energia el\u00e9trica: Torre\/p\u00f3lo de tubo de a\u00e7o de transmiss\u00e3o<\/h3>\n<p>O tubo de a\u00e7o estrutural \u00e9 o principal suporte das linhas de transmiss\u00e3o de energia. Ele forma uma torre de tubo de a\u00e7o ou um poste de tubo de a\u00e7o de transmiss\u00e3o. Essas estruturas sustentam o peso do condutor e suportam cargas de vento, gelo e neve.<\/p>\n<p>Torre de tubo de a\u00e7o para transmiss\u00e3o de energia: Usa conex\u00f5es diretas com acess\u00f3rios para tubos, resolvendo \"mudan\u00e7as de carga e rigidez ao longo do poste\". Um modelo num\u00e9rico \u00e9 criado com um algoritmo de dobragem de etapas para manter a estabilidade geral.<\/p>\n<p>Postes de tubos de a\u00e7o para transmiss\u00e3o: usados para linhas de transmiss\u00e3o rurais ou suburbanas, com uma estrutura simples, mas de alta resist\u00eancia, adaptados a terrenos complexos.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-964299891\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>4. Outros: Estruturas tempor\u00e1rias e aplica\u00e7\u00f5es especiais<\/h3>\n<p>Andaime de tubo de a\u00e7o: Como uma estrutura tempor\u00e1ria na constru\u00e7\u00e3o, ele garante a estabilidade do andaime por meio da for\u00e7a da fixa\u00e7\u00e3o do grampo e \u00e9 usado para apoiar o pessoal e os materiais da constru\u00e7\u00e3o.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_555890952 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"is-divider divider clearfix\" style=\"max-width:2000px;height:1px;\"><\/div>\n\n\t<section class=\"section\" id=\"section_504162523\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1985096679\">\n\n\t<div id=\"col-1995620067\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Tipos de tubos de a\u00e7o estrutural<\/h2>\n<h3>1. Classifica\u00e7\u00e3o por material<\/h3>\n<p>O material do tubo de a\u00e7o estrutural determina sua for\u00e7a, resist\u00eancia \u00e0 corros\u00e3o e ambiente aplic\u00e1vel, e os tipos comuns incluem:<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-538522097\">\n\n\t<div id=\"col-718774371\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div style=\"overflow: auto; \" >\n<table border=\"\u201d1\u2033\" width=\"\u201d3000px\u201d\" height=\"\u201d120px\u201d\" align=\"\u201dcenter\u201d\" >\n<thead>\n<tr>\n<th>Tipo de material<\/th>\n<th>Exemplo de padr\u00f5es\/graus<\/th>\n<th>Cen\u00e1rios de aplicativos<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tubo de a\u00e7o estrutural de carbono<\/td>\n<td>ASTM A106, A36, A53, A192; Q235, Q235B<\/td>\n<td>Estruturas de constru\u00e7\u00e3o, colunas de suporte, estacas de funda\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td>Tubo de a\u00e7o estrutural inoxid\u00e1vel<\/td>\n<td>A\u00e7o inoxid\u00e1vel 304, 316L<\/td>\n<td>Ambientes corrosivos (por exemplo, qu\u00edmicos, marinhos)<\/td>\n<\/tr>\n<tr>\n<td>Tubo de a\u00e7o estrutural de liga<\/td>\n<td>St52 (JIS), Q345 (GB)<\/td>\n<td>Aplica\u00e7\u00f5es de alta resist\u00eancia (por exemplo, pontes, maquin\u00e1rio pesado)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"is-divider divider clearfix\" style=\"max-width:2000px;height:1px;\"><\/div>\n<div class=\"row\"  id=\"row-297929024\">\n\n\t<div id=\"col-436335360\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>2. Classifica\u00e7\u00e3o por processo de fabrica\u00e7\u00e3o<\/h3>\n<p>O processo de fabrica\u00e7\u00e3o afeta a precis\u00e3o, a resist\u00eancia e o custo dos tubos de a\u00e7o, e os tipos comuns incluem<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1206768901\">\n\n\t<div id=\"col-214205195\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<table>\n<thead>\n<tr>\n<th>Tipo de processo<\/th>\n<th>Produtos de amostra<\/th>\n<th>Recursos<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tubo de a\u00e7o estrutural soldado<\/td>\n<td>Tubo soldado ASTM A252 GR2\/GR3<\/td>\n<td>Baixo custo, adequado para grandes di\u00e2metros<\/td>\n<\/tr>\n<tr>\n<td>Tubo de a\u00e7o estrutural sem costura<\/td>\n<td>A\u00e7o sem costura 316, 304<\/td>\n<td>Alta resist\u00eancia, sem defeitos de solda<\/td>\n<\/tr>\n<tr>\n<td>Tubo de a\u00e7o estrutural laminado a quente<\/td>\n<td>Placa de a\u00e7o carbono laminada a quente, a\u00e7o redondo<\/td>\n<td>Alta efici\u00eancia de produ\u00e7\u00e3o, adequada para produ\u00e7\u00e3o em massa<\/td>\n<\/tr>\n<tr>\n<td>Tubo de a\u00e7o estrutural corrugado<\/td>\n<td>Tubo de a\u00e7o corrugado<\/td>\n<td>Forte capacidade antideforma\u00e7\u00e3o, adequado para projetos de bueiros<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_504162523 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_972958771\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-2051593727\">\n\n\t<div id=\"col-1246840599\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>3. Classifica\u00e7\u00e3o por cen\u00e1rios de aplicativos<\/h3>\n<p>O projeto de tubos de a\u00e7o estrutural precisa corresponder aos requisitos espec\u00edficos de engenharia e aos tipos correspondentes de cen\u00e1rios de aplica\u00e7\u00e3o comuns.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1184037674\">\n\n\t<div id=\"col-1016367265\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div style=\"overflow: auto; \" >\n<table border=\"\u201d1\u2033\" width=\"\u201d3000px\u201d\" height=\"\u201d120px\u201d\" align=\"\u201dcenter\u201d\" >\n<thead>\n<tr>\n<th>Aplicativos<\/th>\n<th>Nome do tipo<\/th>\n<th>Descri\u00e7\u00e3o funcional<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Funda\u00e7\u00e3o e funda\u00e7\u00e3o por estacas<\/td>\n<td>Tubos de a\u00e7o estrutural para estacas de funda\u00e7\u00e3o<\/td>\n<td>Suporte das funda\u00e7\u00f5es de pontes, docas e edif\u00edcios altos<\/td>\n<\/tr>\n<tr>\n<td>Carca\u00e7a e prote\u00e7\u00e3o<\/td>\n<td>Tubo de a\u00e7o estrutural para revestimento<\/td>\n<td>Revestimento de bueiro de rodovia\/ferrovia, revestimento de po\u00e7o de \u00e1gua<\/td>\n<\/tr>\n<tr>\n<td>Suporte e estrutura<\/td>\n<td>Tubo de a\u00e7o estrutural para suporte<\/td>\n<td>Colunas de outdoors, postes de sinaliza\u00e7\u00e3o, suportes de edif\u00edcios<\/td>\n<\/tr>\n<tr>\n<td>Bueiros e engenharia subterr\u00e2nea<\/td>\n<td>Tubos de a\u00e7o estrutural para bueiros<\/td>\n<td>Bueiros subterr\u00e2neos de rodovias\/ferrovias (como bueiros de tubo corrugado de a\u00e7o)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"is-divider divider clearfix\" style=\"max-width:2000px;height:1px;\"><\/div>\n<div class=\"row\"  id=\"row-648770453\">\n\n\t<div id=\"col-2061679313\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>4. Descri\u00e7\u00e3o das chaves<\/h3>\n<p>Tubo de a\u00e7o de grau estrutural (Structural Grade Steel Pipe): \u00e9 uma classifica\u00e7\u00e3o ampla, que se refere ao tubo de a\u00e7o que atende aos requisitos de resist\u00eancia para aplica\u00e7\u00f5es estruturais (como ASTM A252, A36 e outras normas), abrangendo todos os tipos mencionados acima, e \u00e9 usado principalmente nas \u00e1reas de constru\u00e7\u00e3o, pontes e maquin\u00e1rio pesado.<\/p>\n<p>Tubo de a\u00e7o estrutural corrugado: \u00c9 um tipo especial, montado por uma placa de a\u00e7o corrugado, com caracter\u00edsticas anticongelamento e antiassentamento, amplamente utilizado em projetos de bueiros nas regi\u00f5es frias do norte.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_972958771 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1176998856\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1356175369\">\n\n\t<div id=\"col-1300230670\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-258022755\" class=\"text\">\n\t\t\n<h2>Produtos relacionados<\/h2>\n\t\t\n<style>\n#text-258022755 {\n  font-size: 1.2rem;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\n\t<section class=\"section\" id=\"section_681681284\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-978041827\">\n\n\n\t<div id=\"col-1122307776\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"slider-wrapper relative\" id=\"slider-1995560157\" >\n    <div class=\"slider slider-nav-circle slider-nav-large slider-nav-light slider-style-normal\"\n        data-flickity-options='{            \"cellAlign\": \"center\",            \"imagesLoaded\": true,            \"lazyLoad\": 1,            \"freeScroll\": false,            \"wrapAround\": true,            \"autoPlay\": 6000,            \"pauseAutoPlayOnHover\" : true,            \"prevNextButtons\": true,            \"contain\" : true,            \"adaptiveHeight\" : true,            \"dragThreshold\" : 10,            \"percentPosition\": true,            \"pageDots\": true,            \"rightToLeft\": false,            \"draggable\": true,            \"selectedAttraction\": 0.1,            \"parallax\" : 0,            \"friction\": 0.6        }'\n        >\n        \n\n<div class=\"row\"  id=\"row-993965318\">\n\n\n\t<div id=\"col-1685427658\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1800945078\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-erw\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-Carbon-Steel-Welded-Pipe.webp\" class=\"attachment-original size-original\" alt=\"Fabricante de tubos ERW na China\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-Carbon-Steel-Welded-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-Carbon-Steel-Welded-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1800945078 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2534896166\" class=\"text\">\n\t\t\n\n<p><strong>Tubo soldado<\/strong><\/p>\n\t\t\n<style>\n#text-2534896166 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2534896166 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-345499994\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_718696836\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe.webp\" class=\"attachment-original size-original\" alt=\"Fabricante e fornecedor de tubos de a\u00e7o para serra\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_718696836 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1683456790\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o SSAW<\/strong><\/p>\n\t\t\n<style>\n#text-1683456790 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1683456790 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1923014859\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_333806969\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/secoes-ocas\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier.webp\" class=\"attachment-original size-original\" alt=\"se\u00e7\u00e3o oca de a\u00e7o - se\u00e7\u00e3o estrutural oca - Uniasen\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_333806969 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2281667949\" class=\"text\">\n\t\t\n\n<p><strong>Se\u00e7\u00e3o estrutural oca<\/strong><\/p>\n\t\t\n<style>\n#text-2281667949 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2281667949 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1921787133\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1561980115\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-sem-costura\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe.webp\" class=\"attachment-original size-original\" alt=\"Tubo de a\u00e7o sem costura - Tubo SMLS\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1561980115 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2050377271\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o sem costura<\/strong><\/p>\n\t\t\n<style>\n#text-2050377271 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2050377271 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1073100084\">\n\n\n\t<div id=\"col-504175271\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_366299944\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/produtos\/acessorios-para-tubos\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer.webp\" class=\"attachment-original size-original\" alt=\"acess\u00f3rios para tubos da china - acess\u00f3rios para tubos de a\u00e7o carbono\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_366299944 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2711617988\" class=\"text\">\n\t\t\n\n<p><strong>Conex\u00f5es para tubos Conex\u00f5es para tubos<\/strong><\/p>\n\t\t\n<style>\n#text-2711617988 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2711617988 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1064337416\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2449497\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/steel-pipe-standards\/fire-sprinkler-pipe\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_2449497 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1939376984\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de sprinklers contra inc\u00eandio<\/strong><\/p>\n\t\t\n<style>\n#text-1939376984 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1939376984 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1789984489\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1821460385\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/steel-pipe-standards\/line-pipe\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1821460385 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2454884008\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de linha<\/strong><\/p>\n\n\t\t\n<style>\n#text-2454884008 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2454884008 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-94458597\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1823455440\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/pt\/steel-pipe-standards\/astm-a106\/\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1823455440 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3133480987\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o sem costura ASTM A106<\/strong><\/p>\n\t\t\n<style>\n#text-3133480987 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3133480987 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n     <\/div>\n\n     <div class=\"loading-spin dark large centered\"><\/div>\n\n\t<\/div>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_681681284 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1176998856 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":10,"featured_media":0,"parent":912,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-5704","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Structural Steel Pipe Supplier - UNIASEN<\/title>\n<meta name=\"description\" content=\"Structural steel pipes are high-quality, durable tubes used in construction, available in sizes from 2\u201d to 24\u201d NPS. They meet strict standards for chemical composition and mechanical properties, ensuring reliability for diverse projects.\" \/>\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\/produtos\/tubo-de-aco-estrutural\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Structural Steel Pipe Supplier - UNIASEN\" \/>\n<meta property=\"og:description\" content=\"Structural steel pipes are high-quality, durable tubes used in construction, available in sizes from 2\u201d to 24\u201d NPS. They meet strict standards for chemical composition and mechanical properties, ensuring reliability for diverse projects.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-aco-estrutural\/\" \/>\n<meta property=\"og:site_name\" content=\"UNIASEN\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-07T01:08:45+00:00\" \/>\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=\"10 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/uniasen.com\/products\/structural-steel-pipe\/\",\"url\":\"https:\/\/uniasen.com\/products\/structural-steel-pipe\/\",\"name\":\"Structural Steel Pipe Supplier - UNIASEN\",\"isPartOf\":{\"@id\":\"https:\/\/uniasen.com\/#website\"},\"datePublished\":\"2025-07-30T05:24:10+00:00\",\"dateModified\":\"2025-08-07T01:08:45+00:00\",\"description\":\"Structural steel pipes are high-quality, durable tubes used in construction, available in sizes from 2\u201d to 24\u201d NPS. 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