{"id":5452,"date":"2025-04-25T17:13:54","date_gmt":"2025-04-25T09:13:54","guid":{"rendered":"https:\/\/uniasen.com\/?page_id=5452"},"modified":"2025-04-27T10:00:24","modified_gmt":"2025-04-27T02:00:24","slug":"boiler-tubes","status":"publish","type":"page","link":"https:\/\/uniasen.com\/pt\/produtos\/tubos-de-caldeira\/","title":{"rendered":"Tubos de caldeira"},"content":{"rendered":"<div id=\"page-header-1316088517\" 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            Tubos de caldeira          <\/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-1316088517 .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_2049202358\">\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-1047695369\">\n\n\t<div id=\"col-1086211617\" 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-1315194252\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1315194252 {\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-458547806\">\n\n\t<div id=\"col-1621026941\" 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-442066508\">\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\/04\/boiler-tube-supplier.webp\" class=\"bg\" alt=\"fornecedor de tubos de caldeira\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/boiler-tube-supplier.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/boiler-tube-supplier-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/boiler-tube-supplier-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/boiler-tube-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-1718946242\" 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-1718946242 {\n  width: 60%;\n}\n#text-box-1718946242 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-442066508 {\n  padding-top: 250px;\n}\n#banner-442066508 .banner-bg img {\n  object-position: 7% 100%;\n}\n@media (min-width:550px) {\n  #banner-442066508 {\n    padding-top: 350px;\n  }\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-1777526817\" 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-1050807468\" class=\"text\">\n\t\t\n<h2>Fornecedor de tubos de caldeira na China<\/h2>\n\t\t\n<style>\n#text-1050807468 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-1821052889\" class=\"text\">\n\t\t\n<p>Os tubos de caldeira s\u00e3o tubos de a\u00e7o sem costura e soldados projetados para caldeiras e equipamentos t\u00e9rmicos. Eles t\u00eam uma se\u00e7\u00e3o oca e s\u00e3o usados para transportar fluidos de alta temperatura e alta press\u00e3o, como vapor e g\u00e1s de combust\u00e3o. Nossos tubos de caldeira s\u00e3o conhecidos por sua excelente resist\u00eancia ao calor, \u00e0 press\u00e3o e \u00e0 corros\u00e3o, atendendo \u00e0s diversas necessidades de caldeiras comuns, de m\u00e9dia-baixa press\u00e3o e de alta press\u00e3o.<\/p>\n<p>Os tubos de caldeira da UNIASEN s\u00e3o amplamente utilizados nos setores de energia, petroqu\u00edmico, trocadores de calor, economizadores, superaquecedores e outros. Empregamos tecnologia de produ\u00e7\u00e3o avan\u00e7ada e mantemos um rigoroso controle de qualidade. Isso nos permite fornecer componentes de suporte de press\u00e3o confi\u00e1veis para clientes em todo o mundo. Nossas solu\u00e7\u00f5es ajudam a garantir uma opera\u00e7\u00e3o eficiente e estabilidade de longo prazo para seus sistemas.<\/p>\n\t\t\n<style>\n#text-1821052889 {\n  font-size: 1.9rem;\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\t<div id=\"gap-1244411433\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1244411433 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-792007749\">\n\n\t<div id=\"col-703767649\" 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<div id=\"gap-125161776\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-125161776 {\n  padding-top: 2%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\n\t\t\n<style>\n#section_2049202358 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_341113645\">\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-1492753303\">\n\n\t<div id=\"col-983424483\" 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-958022351\" class=\"text\">\n\t\t\n<h2>Especifica\u00e7\u00f5es do tubo da caldeira<\/h2>\n\t\t\n<style>\n#text-958022351 {\n  text-align: left;\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\"  id=\"row-1876387440\">\n\n\t<div id=\"col-817438145\" 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><strong>Tabela de tamanho de tubo de caldeira convencional (padr\u00e3o GB3087-2008)<\/strong><\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1128892308\">\n\n\t<div id=\"col-1525509786\" 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\" align=\"\u201dcenter\u201d\">\n<thead>\n<tr>\n<th>Material<\/th>\n<th>Di\u00e2metro externo (mm)<\/th>\n<th>Espessura da parede (mm)<\/th>\n<th>Exemplo de especifica\u00e7\u00f5es t\u00edpicas<\/th>\n<th>Padr\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20G\u300120MnG<\/td>\n<td>51-89<\/td>\n<td>5.5-8.0<\/td>\n<td>\u03a651\u00d75,5\u3001\u03a689\u00d78,0<\/td>\n<td>GB3087-2008<\/td>\n<\/tr>\n<tr>\n<td>15CrMoG<\/td>\n<td>57-108<\/td>\n<td>6.0-12<\/td>\n<td>\u03a657\u00d76.0\u3001\u03a6108\u00d712<\/td>\n<td>GB3087-2008<\/td>\n<\/tr>\n<tr>\n<td>12Cr1MoVG<\/td>\n<td>63.5-159<\/td>\n<td>8.0-16<\/td>\n<td>\u03a663.5\u00d78.0\u3001\u03a6159\u00d716<\/td>\n<td>GB3087-2008<\/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=\"row\"  id=\"row-1503369445\">\n\n\t<div id=\"col-924300723\" 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>Faixa de comprimento: 6-12 metros (t\u00edpico)<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1240784806\">\n\n\t<div id=\"col-1578684916\" 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><strong>Tabela de tamanho de tubo de caldeira de alta press\u00e3o (padr\u00e3o GB5310-2008)<\/strong><\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-536692977\">\n\n\t<div id=\"col-1710456640\" 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>Material<\/th>\n<th>Di\u00e2metro externo (mm)<\/th>\n<th>Espessura da parede (mm)<\/th>\n<th>Exemplo de especifica\u00e7\u00f5es t\u00edpicas<\/th>\n<th>Padr\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20G (alta tens\u00e3o)<\/td>\n<td>108-273<\/td>\n<td>5-20<\/td>\n<td>\u03a6108\u00d78\u3001\u03a6273\u00d720<\/td>\n<td>GB5310-2008<\/td>\n<\/tr>\n<tr>\n<td>15CrMoG (alta press\u00e3o)<\/td>\n<td>159-426<\/td>\n<td>6-40<\/td>\n<td>\u03a6159\u00d712\u3001\u03a6426\u00d720<\/td>\n<td>GB5310-2008<\/td>\n<\/tr>\n<tr>\n<td>12Cr2MoWVTiB<\/td>\n<td>219-824<\/td>\n<td>6-65<\/td>\n<td>\u03a6219\u00d716\u3001\u03a6824\u00d765<\/td>\n<td>GB5310-2008<\/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=\"row\"  id=\"row-1609520261\">\n\n\t<div id=\"col-414393773\" 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><strong>Especifica\u00e7\u00f5es especiais:<\/strong><\/p>\n<ul>\n<li>Di\u00e2metro extragrande: \u03a6824\u00d765 (tubo de a\u00e7o para caldeira de alta press\u00e3o)<\/li>\n<li>Espessura de parede de precis\u00e3o: \u03a6108\u00d75 (processo de trefila\u00e7\u00e3o a frio)<\/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-1413994418\">\n\n\t<div id=\"col-1919307115\" 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>Obtenha uma cota\u00e7\u00e3o agora<\/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_341113645 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1037211135\">\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-101153738\">\n\n\t<div id=\"col-2136907605\" 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>Materiais e padr\u00f5es de tubos de caldeira<\/h2>\n<h5>Padr\u00f5es americanos<\/h5>\n<ul>\n<li><strong>ASTM A192\/ASME SA192:<\/strong> Espessura m\u00ednima da parede dos tubos de a\u00e7o carbono sem costura especificamente para caldeiras de alta press\u00e3o, grau t\u00edpico A192, temperatura aplic\u00e1vel de 450 a 650 \u2103.<\/li>\n<li><strong>ASME SA106:<\/strong> Tubos de a\u00e7o carbono de alta temperatura e alta press\u00e3o, adequados para tubos de vapor e cabe\u00e7alhos, etc.<\/li>\n<li><strong>ASME SA210:<\/strong> Tubos de caldeira de a\u00e7o carbono m\u00e9dio, usados para superaquecedores e trocadores de calor.<\/li>\n<\/ul>\n<h5>Padr\u00e3o japon\u00eas<\/h5>\n<ul>\n<li><strong>JIS B8230:<\/strong> Tubo de a\u00e7o sem costura para caldeiras de alta press\u00e3o, semelhante ao GB 5310<\/li>\n<li><strong>JIS B8241:<\/strong> Tubo de a\u00e7o sem costura para vasos de press\u00e3o, abrangendo cen\u00e1rios de m\u00e9dia e alta press\u00e3o<\/li>\n<\/ul>\n<h5>Padr\u00e3o europeu<\/h5>\n<ul>\n<li><strong>DIN 17200:<\/strong> Padr\u00e3o alem\u00e3o de tubo de caldeira de alta press\u00e3o, adequado para pe\u00e7as de suporte de press\u00e3o de alta temperatura<\/li>\n<li><strong>\u0413\u041e\u0421\u0422 4543:<\/strong> Padr\u00e3o russo, usado para caldeiras de alta press\u00e3o e equipamentos de troca de calor<\/li>\n<\/ul>\n<h5>Padr\u00e3o chin\u00eas<\/h5>\n<ul>\n<li><strong>GB 3087-2008:<\/strong> Caldeiras de baixa e m\u00e9dia press\u00e3o (press\u00e3o \u22643,9MPa, temperatura \u2264350\u2103), como tubos de vapor superaquecido, tubos de \u00e1gua fervente e tubos de fuma\u00e7a de caldeiras de locomotivas. Material t\u00edpico: a\u00e7o carbono 20#.<\/li>\n<li><strong>GB\/T 5310-2008:<\/strong> Caldeiras de alta press\u00e3o e acima (press\u00e3o \u22659,8 MPa, temperatura \u2265450\u00b0C), como superaquecedores, reaquecedores e tubos de vapor principais de caldeiras de usinas el\u00e9tricas. Material t\u00edpico: 20G (a\u00e7o estrutural de carbono de alta qualidade).<\/li>\n<\/ul>\n<h5>Outras normas relevantes<\/h5>\n<ul>\n<li><strong>GB 8163:<\/strong> Tubos de a\u00e7o sem costura para transporte de fluidos, adequados para cen\u00e1rios de m\u00e9dia e baixa press\u00e3o (temperatura \u2264350\u2103, press\u00e3o \u226410MPa).<\/li>\n<li><strong>GB 6479:<\/strong> Tubos de a\u00e7o sem costura de alta press\u00e3o para equipamentos de fertilizantes, adequados para transporte de \u00f3leo, petr\u00f3leo e g\u00e1s de alta press\u00e3o (press\u00e3o de 10,0 a 32,0 MPa).<\/li>\n<li><strong>GB 9948:<\/strong> Tubos de a\u00e7o sem costura para rachaduras no petr\u00f3leo, substituindo as condi\u00e7\u00f5es especiais de trabalho da GB 8163.<\/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-1725357032\">\n\n\t<div id=\"col-1737755895\" 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>Obtenha uma cota\u00e7\u00e3o agora<\/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_1037211135 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_228207933\">\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-813223601\">\n\n\t<div id=\"col-1295599784\" 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 caldeira<\/h2>\n<h3>Tubos de caldeira sem costura<\/h3>\n<h4>1. Processo de fabrica\u00e7\u00e3o<\/h4>\n<ul>\n<li>Processo de lamina\u00e7\u00e3o a quente: Depois de aquecer o tarugo de a\u00e7o at\u00e9 o estado pl\u00e1stico, ele \u00e9 continuamente laminado em um tubo com o di\u00e2metro e a espessura de parede necess\u00e1rios por meio de um laminador, que \u00e9 adequado para a produ\u00e7\u00e3o de tubos de a\u00e7o de grande di\u00e2metro.<\/li>\n<li>Processo de trefila\u00e7\u00e3o a frio: O tubo de a\u00e7o \u00e9 puxado por uma matriz em temperatura ambiente para melhorar o acabamento da superf\u00edcie e a precis\u00e3o dimensional, o que \u00e9 frequentemente usado na fabrica\u00e7\u00e3o de tubos de precis\u00e3o.<\/li>\n<li>Processo de expans\u00e3o a quente: O tubo de a\u00e7o aquecido \u00e9 expandido radialmente para produzir tubos sem costura de grande di\u00e2metro ou especifica\u00e7\u00f5es fora do padr\u00e3o.<\/li>\n<\/ul>\n<h4>2. Recursos e aplicativos<\/h4>\n<ul>\n<li>Caracter\u00edsticas: Sem soldas, estrutura uniforme, alta resist\u00eancia \u00e0 compress\u00e3o e excelente resist\u00eancia a altas temperaturas e altas press\u00f5es.<\/li>\n<li>Aplica\u00e7\u00f5es: Superaquecedor, reaquecedor e tubula\u00e7\u00e3o de vapor principal da caldeira da usina de energia (precisa suportar alta temperatura \u2265500\u00b0C e press\u00e3o \u226525MPa). Tubula\u00e7\u00e3o de distribui\u00e7\u00e3o de fluido de alta press\u00e3o em equipamentos qu\u00edmicos.<\/li>\n<\/ul>\n<h3>Tubo soldado para caldeiras<\/h3>\n<h4>1. Processo de fabrica\u00e7\u00e3o<\/h4>\n<p>Tubo soldado com costura reta: Depois que a chapa de a\u00e7o \u00e9 enrolada em um formato cil\u00edndrico, ela \u00e9 soldada longitudinalmente para formar um processo simples e de baixo custo.<\/p>\n<p>Tubo soldado em espiral: A placa de a\u00e7o \u00e9 enrolada e continuamente soldada de acordo com a linha em espiral para aumentar a resist\u00eancia estrutural geral, que \u00e9 adequada para cen\u00e1rios de m\u00e9dia e baixa press\u00e3o.<\/p>\n<h4>2. Recursos e aplicativos<\/h4>\n<ul>\n<li>Caracter\u00edsticas: Baixo custo de produ\u00e7\u00e3o, mas pode haver fragilidades mec\u00e2nicas na solda, e a capacidade de suportar press\u00e3o \u00e9 menor do que a dos tubos sem costura.<\/li>\n<li>Aplica\u00e7\u00f5es: Tubos de parede resfriados a \u00e1gua e tubos de fuma\u00e7a de caldeiras industriais (press\u00e3o \u22643,9MPa, temperatura \u2264350\u2103). Tubula\u00e7\u00f5es de transmiss\u00e3o de vapor de baixa press\u00e3o para sistemas de aquecimento de edif\u00edcios.<\/li>\n<\/ul>\n<h3>Tubo de caldeira estirado a frio<\/h3>\n<h4>1. Processo de fabrica\u00e7\u00e3o<\/h4>\n<ul>\n<li>Prepara\u00e7\u00e3o do blank: Os tubos sem costura laminados a quente s\u00e3o selecionados como mat\u00e9ria-prima, e a decapagem \u00e9 realizada para remover a camada de \u00f3xido da superf\u00edcie.<\/li>\n<li>Forma\u00e7\u00e3o por trefila\u00e7\u00e3o a frio: Por meio de v\u00e1rios processos de trefila\u00e7\u00e3o, o di\u00e2metro do tubo \u00e9 gradualmente reduzido e a espessura da parede \u00e9 afinada para melhorar a precis\u00e3o dimensional. Tratamento t\u00e9rmico: Recozimento ou normaliza\u00e7\u00e3o para eliminar a tens\u00e3o do trabalho a frio e restaurar a resist\u00eancia do material.<\/li>\n<\/ul>\n<h4>2. Recursos e aplicativos<\/h4>\n<ul>\n<li>Caracter\u00edsticas: Superf\u00edcie lisa, espessura de parede uniforme, pequena toler\u00e2ncia dimensional, adequada para necessidades de processamento de precis\u00e3o.<\/li>\n<li>Aplica\u00e7\u00f5es: Tubula\u00e7\u00f5es de transmiss\u00e3o de fluido de alta precis\u00e3o em sistemas hidr\u00e1ulicos (como cilindros hidr\u00e1ulicos para m\u00e1quinas de constru\u00e7\u00e3o). Componentes de eixo de transmiss\u00e3o de precis\u00e3o na fabrica\u00e7\u00e3o de autom\u00f3veis.<\/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_228207933 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1066683787\">\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 align-middle\"  id=\"row-1134588198\">\n\n\t<div id=\"col-1252535195\" 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-348548646\" class=\"text\">\n\t\t\n<h2>Por que o a\u00e7o carbono \u00e9 o material preferido para tubos de caldeira?<\/h2>\n\t\t\n<style>\n#text-348548646 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-858388882\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3333901155\" class=\"text\">\n\t\t\n<ul>\n<li><strong>Domin\u00e2ncia econ\u00f4mica:<\/strong> As caldeiras de m\u00e9dia e baixa press\u00e3o (como caldeiras industriais e sistemas de aquecimento) representam uma grande propor\u00e7\u00e3o, e a resist\u00eancia, a capacidade de processamento e o baixo custo do a\u00e7o carbono podem atender \u00e0 maioria das necessidades. Os tubos de caldeira de a\u00e7o carbono s\u00e3o leves por metro, e os custos de instala\u00e7\u00e3o e manuten\u00e7\u00e3o s\u00e3o menores<\/li>\n<li><strong>Ampla adaptabilidade:<\/strong> Tratamentos anticorrosivos, como galvaniza\u00e7\u00e3o e revestimento, podem prolongar a vida \u00fatil dos tubos de a\u00e7o carbono em ambientes \u00famidos. O sistema padr\u00e3o \u00e9 completo (como GB 3087, ASME SA106), o que garante a compatibilidade do projeto e a estabilidade da qualidade.<\/li>\n<li><strong>Maturidade t\u00e9cnica:<\/strong> O processo de produ\u00e7\u00e3o de a\u00e7o carbono \u00e9 maduro, e os tubos de grande porte (como os tubos sem costura \u03a6824\u00d765) podem ser produzidos rapidamente para atender \u00e0s necessidades urgentes do projeto.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-3333901155 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-858388882 > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1244161653\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_93879213\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/China-boiler-pipe-manufacturer.webp\" class=\"attachment-original size-original\" alt=\"Fabricante de tubos de caldeira na China\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/China-boiler-pipe-manufacturer.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/China-boiler-pipe-manufacturer-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/China-boiler-pipe-manufacturer-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2025\/04\/China-boiler-pipe-manufacturer-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_93879213 {\n  width: 100%;\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\"  id=\"row-1999694352\">\n\n\t<div id=\"col-555842785\" 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>Obtenha uma cota\u00e7\u00e3o gratuita agora<\/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_1066683787 {\n  padding-top: 10px;\n  padding-bottom: 10px;\n  background-color: rgb(250, 251, 254);\n}\n@media (min-width:550px) {\n  #section_1066683787 {\n    padding-top: 0px;\n    padding-bottom: 0px;\n  }\n}\n@media (min-width:850px) {\n  #section_1066683787 {\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_536902088\">\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-436303940\">\n\n\t<div id=\"col-646574663\" 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>Garantia de qualidade da produ\u00e7\u00e3o de tubos de caldeira<\/h2>\n<h3>Controle de qualidade da mat\u00e9ria-prima<\/h3>\n<h4>Triagem padr\u00e3o de material<\/h4>\n<p>Escolha a\u00e7o carbono 20G (como Q235), a\u00e7o-liga e outros materiais aprovados. Eles devem atender aos padr\u00f5es nacionais, incluindo GB\/T 3087-2008 e ASTM A106. Al\u00e9m disso, controle cuidadosamente os n\u00edveis de carbono e as propor\u00e7\u00f5es de elementos de liga.<\/p>\n<p>Supervisionar o processo de fundi\u00e7\u00e3o do a\u00e7o para evitar o excesso de impurezas ou a propor\u00e7\u00e3o desequilibrada de elementos.<\/p>\n<h4>Inspe\u00e7\u00e3o da composi\u00e7\u00e3o qu\u00edmica<\/h4>\n<p>Analisamos os elementos C, Mn, S e P no a\u00e7o por meio de an\u00e1lise espectral e titula\u00e7\u00e3o qu\u00edmica. Esse processo garante que o a\u00e7o possa suportar altas temperaturas e resistir \u00e0 corros\u00e3o, o que \u00e9 crucial para tubos de caldeira de alta press\u00e3o.<\/p>\n<h3>Controle do processo de produ\u00e7\u00e3o<\/h3>\n<h4>Padroniza\u00e7\u00e3o de processos<\/h4>\n<p>Os tubos sem costura usam um processo de lamina\u00e7\u00e3o a quente\/estiramento a frio, e os tubos soldados precisam padronizar os par\u00e2metros de soldagem por arco submerso e soldagem TIG para garantir a resist\u00eancia e o nivelamento da solda.<\/p>\n<p>O processo de recozimento ou normaliza\u00e7\u00e3o \u00e9 realizado no processo de tratamento t\u00e9rmico para eliminar a tens\u00e3o interna e melhorar as propriedades mec\u00e2nicas (como dureza e resist\u00eancia).<\/p>\n<h4>Tecnologia de testes n\u00e3o destrutivos<\/h4>\n<p>Use a detec\u00e7\u00e3o de falhas por raios X, testes ultrass\u00f4nicos e outras tecnologias para identificar defeitos como poros e rachaduras em soldas ou corpos de tubos.<\/p>\n<p>O intervalo de solda deve atender ao padr\u00e3o (como o intervalo de se\u00e7\u00f5es de tubos curtos com di\u00e2metro externo \u2265150 mm) e os furos de solda devem ser rigorosamente manuseados para evitar inspe\u00e7\u00f5es perdidas.<\/p>\n<h3>Inspe\u00e7\u00e3o e certifica\u00e7\u00e3o de produtos acabados<\/h3>\n<h4>Teste de desempenho f\u00edsico<\/h4>\n<p>Teste de press\u00e3o hidr\u00e1ulica: simula um ambiente de alta press\u00e3o para testar a veda\u00e7\u00e3o e a resist\u00eancia \u00e0 compress\u00e3o dos tubos e garantir que n\u00e3o haja vazamentos.<\/p>\n<p>Teste de achatamento, teste de expans\u00e3o: verifica a ductilidade e a resist\u00eancia \u00e0 deforma\u00e7\u00e3o dos tubos.<\/p>\n<h4>Verifica\u00e7\u00e3o da qualidade da superf\u00edcie e do tamanho<\/h4>\n<p>Verifique se h\u00e1 rachaduras, dobras, cicatrizes e outros defeitos nas superf\u00edcies interna e externa, e a profundidade de remo\u00e7\u00e3o deve ser menor do que o desvio negativo da espessura da parede.<\/p>\n<p>Me\u00e7a o di\u00e2metro externo, a espessura da parede e a retid\u00e3o, e o erro deve atender ao padr\u00e3o nacional ou aos requisitos de personaliza\u00e7\u00e3o do cliente.<\/p>\n<h4>Conformidade com o sistema e os padr\u00f5es de certifica\u00e7\u00e3o<\/h4>\n<p>O processo de produ\u00e7\u00e3o deve estar em conformidade com os padr\u00f5es nacionais, como o GB\/T 16507 \"Boiler Safety Technical Regulations\". Algumas empresas passaram pela certifica\u00e7\u00e3o ISO 9001 para garantir as especifica\u00e7\u00f5es do sistema de gerenciamento<\/p>\n<h3>Garantia de instala\u00e7\u00e3o e manuten\u00e7\u00e3o<\/h3>\n<h4>Execu\u00e7\u00e3o da especifica\u00e7\u00e3o de instala\u00e7\u00e3o<\/h4>\n<p>As soldas dos dutos precisam ser verificadas e aprovadas com base nos padr\u00f5es nacionais 50184\/50517. Isso ajuda a evitar a concentra\u00e7\u00e3o de tens\u00e3o ou vazamentos causados por erros de constru\u00e7\u00e3o.<\/p>\n<p>Controle o projeto dos corredores de g\u00e1s de combust\u00e3o para evitar que a velocidade local do g\u00e1s de combust\u00e3o acelere o desgaste da parede do tubo.<\/p>\n<h4>Monitoramento do ambiente de opera\u00e7\u00e3o<\/h4>\n<p>Drene e monitore regularmente a qualidade da \u00e1gua para reduzir o risco de incrusta\u00e7\u00e3o e corros\u00e3o (como o controle do conte\u00fado de oxig\u00eanio e di\u00f3xido de carbono do sistema de \u00e1gua de retorno).<\/p>\n<p>Otimize a efici\u00eancia da combust\u00e3o e reduza a corros\u00e3o qu\u00edmica dos res\u00edduos de combust\u00edvel nas tubula\u00e7\u00f5es.<\/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_536902088 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_942364361\">\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-484271683\">\n\n\t<div id=\"col-1260331922\" 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-1984346074\" class=\"text\">\n\t\t\n<h2>Perguntas frequentes sobre tubos de caldeira<\/h2>\n\t\t\n<style>\n#text-1984346074 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"accordion\">\n\t<div id=\"accordion-4253227572\" class=\"accordion-item\">\n\t\t<a id=\"accordion-4253227572-label\" class=\"accordion-title plain\" href=\"#accordion-item-what-materials-are-your-boiler-pipes-made-of?\" aria-expanded=\"false\" aria-controls=\"accordion-4253227572-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Alternar\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>De que materiais s\u00e3o feitos os tubos de sua caldeira?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-4253227572-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-4253227572-label\" >\n\t\t\t\n<p>Soldado em a\u00e7o.<\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2862585870\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2862585870-label\" class=\"accordion-title plain\" href=\"#accordion-item-what-is-the-service-life-of-boiler-pipes?\" aria-expanded=\"false\" aria-controls=\"accordion-2862585870-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Alternar\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>Qual \u00e9 a vida \u00fatil dos tubos da caldeira?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2862585870-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2862585870-label\" >\n\t\t\t\n<ul>\n<li>Vida \u00fatil m\u00e9dia: 10 a 30 anos, que pode variar devido a diferen\u00e7as nas condi\u00e7\u00f5es de trabalho em uso real.<\/li>\n<li>Tubos de caldeiras industriais: A vida \u00fatil projetada \u00e9 geralmente de 10 a 15 anos, que pode ser estendida para mais de 20 anos se houver manuten\u00e7\u00e3o adequada no uso real.<\/li>\n<li>Tubos de caldeiras dom\u00e9sticas: A vida \u00fatil \u00e9 relativamente curta, geralmente de 8 a 10 anos.<\/li>\n<\/ul>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-468874467\" class=\"accordion-item\">\n\t\t<a id=\"accordion-468874467-label\" class=\"accordion-title plain\" href=\"#accordion-item-can-boiler-pipes-be-customized?\" aria-expanded=\"false\" aria-controls=\"accordion-468874467-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Alternar\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>Os tubos da caldeira podem ser personalizados?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-468874467-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-468874467-label\" >\n\t\t\t\n<p>Sim, aceitamos tubos de caldeira personalizados, sem uma faixa de tamanho fixo, dependendo das necessidades do cliente.<\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n<\/div>\n<div class=\"accordion\">\n\t<div id=\"accordion-2304758997\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2304758997-label\" class=\"accordion-title plain\" href=\"#accordion-item-how-do-i-choose-the-right-boiler-pipe-for-my-project?\" aria-expanded=\"false\" aria-controls=\"accordion-2304758997-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Alternar\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>Como escolho o tubo de caldeira certo para o meu projeto?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2304758997-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2304758997-label\" >\n\t\t\t\n<ol>\n<li><strong>Selecionar materiais de acordo com as condi\u00e7\u00f5es de trabalho:<\/strong><\/li>\n<\/ol>\n<p>Baixa temperatura e baixa press\u00e3o (\u2264450\u2103, \u22645 MPa): tubo de a\u00e7o carbono (como o a\u00e7o carbono 20G)<\/p>\n<p>Alta temperatura e alta press\u00e3o (\uff1e450\u2103, \uff1e10 MPa): liga de a\u00e7o (como 15CrMoG) ou a\u00e7o inoxid\u00e1vel (como TP304H)<\/p>\n<p>O ambiente corrosivo exige um revestimento resistente \u00e0 corros\u00e3o.<\/p>\n<p><strong>2. Correspond\u00eancia entre press\u00e3o e tipo de tubula\u00e7\u00e3o:<\/strong><\/p>\n<p>Os tubos com costura s\u00e3o usados em cen\u00e1rios de alta press\u00e3o (\u226510 MPa) sem risco de solda;<\/p>\n<p>Os tubos soldados s\u00e3o adequados para press\u00f5es m\u00e9dias e baixas (\u226410 MPa), e as soldas precisam ser inspecionadas por detec\u00e7\u00e3o de falhas.<\/p>\n<p><strong>3. Especifica\u00e7\u00f5es de manuten\u00e7\u00e3o e instala\u00e7\u00e3o:<\/strong><\/p>\n<p>Limpe as incrusta\u00e7\u00f5es regularmente e monitore a corros\u00e3o (medi\u00e7\u00e3o ultrass\u00f4nica da espessura a cada seis meses);<\/p>\n<p>A dist\u00e2ncia entre o tanque de combust\u00edvel\/g\u00e1s e a sala da caldeira \u00e9 de \u226515 metros, e \u00e9 necess\u00e1rio um firewall para o layout subterr\u00e2neo.<\/p>\n<p><strong>4. Otimiza\u00e7\u00e3o de custos:<\/strong><\/p>\n<p>Use tubos sem costura em se\u00e7\u00f5es de alta press\u00e3o e tubos soldados em se\u00e7\u00f5es n\u00e3o cr\u00edticas para reduzir os custos.<\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2246206056\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2246206056-label\" class=\"accordion-title plain\" href=\"#accordion-item-what-is-the-difference-between-seamless-boiler-tubes-and-welded-boiler-tubes?\" aria-expanded=\"false\" aria-controls=\"accordion-2246206056-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Alternar\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>Qual \u00e9 a diferen\u00e7a entre tubos de caldeira sem costura e tubos de caldeira com solda?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2246206056-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2246206056-label\" >\n\t\t\t\n<p><strong>Diferentes processos de fabrica\u00e7\u00e3o<\/strong><\/p>\n<ul>\n<li>Tubos de caldeira sem costura: Fabricados por meio da perfura\u00e7\u00e3o de lingotes de a\u00e7o ou tubos s\u00f3lidos e, em seguida, processados por lamina\u00e7\u00e3o a quente, lamina\u00e7\u00e3o a frio ou trefila\u00e7\u00e3o a frio, sem soldagem. O processo \u00e9 complicado e requer aquecimento em alta temperatura, perfura\u00e7\u00e3o, lamina\u00e7\u00e3o e outras etapas para garantir a uniformidade da estrutura geral.<\/li>\n<li>Tubos de caldeira soldados: As chapas ou tiras de a\u00e7o s\u00e3o dobradas em formas tubulares e depois soldadas. Os processos comuns incluem soldagem de alta frequ\u00eancia, soldagem em espiral etc. O ciclo de produ\u00e7\u00e3o \u00e9 curto e o custo \u00e9 baixo, mas a qualidade da solda afeta diretamente o desempenho do tubo.<\/li>\n<\/ul>\n<p><strong>Apar\u00eancia e estrutura diferentes<\/strong><\/p>\n<ul>\n<li>Tubos sem costura: A superf\u00edcie \u00e9 lisa e n\u00e3o h\u00e1 solda, e n\u00e3o h\u00e1 camada de \u00f3xido nem marcas de costura nas paredes interna e externa.<\/li>\n<li>Tubos soldados: H\u00e1 nervuras de solda ou marcas de costura (como costuras retas ou soldas em espiral), e a apar\u00eancia precisa ser melhorada por meio de esmerilhamento ou revestimento.<\/li>\n<\/ul>\n<p><strong>Diferentes capacidades de suporte de press\u00e3o<\/strong><\/p>\n<ul>\n<li>Tubos sem costura: Sem defeitos de solda, alta resist\u00eancia \u00e0 compress\u00e3o, adequados para ambientes de alta press\u00e3o (\u226510 MPa) e alta temperatura (como caldeiras de energia t\u00e9rmica).<\/li>\n<li>Tubo soldado: A \u00e1rea de solda \u00e9 um ponto fraco com baixa capacidade de suporte de press\u00e3o (geralmente \u226410 MPa) e \u00e9 usada principalmente em cen\u00e1rios de m\u00e9dia e baixa press\u00e3o.<\/li>\n<\/ul>\n<p><strong>A resist\u00eancia \u00e0 corros\u00e3o e a vida \u00fatil s\u00e3o diferentes.<\/strong><\/p>\n<ul>\n<li>Tubo sem costura: A espessura da parede \u00e9 uniforme e n\u00e3o h\u00e1 risco de corros\u00e3o da solda. Tem melhor resist\u00eancia \u00e0 oxida\u00e7\u00e3o em alta temperatura e \u00e0 corros\u00e3o qu\u00edmica, e a vida \u00fatil pode chegar a 20-30 anos.<\/li>\n<li>Tubo soldado: A solda \u00e9 suscet\u00edvel \u00e0 corros\u00e3o ou rachadura por tens\u00e3o, e \u00e9 necess\u00e1rio um tratamento anticorrosivo adicional (como passiva\u00e7\u00e3o, revestimento por spray) para estender a vida \u00fatil.\u00a0<\/li>\n<\/ul>\n<p><strong>Diferentes campos de aplica\u00e7\u00e3o <\/strong><\/p>\n<ul>\n<li>Tubo sem costura: Petroqu\u00edmica (tubo de craqueamento, tubo de perfura\u00e7\u00e3o), caldeira de alta press\u00e3o, equipamento de energia nuclear, pe\u00e7as de precis\u00e3o aeroespaciais, etc.<\/li>\n<li>Tubo soldado: Transporte de fluido de baixa press\u00e3o (\u00e1gua corrente, g\u00e1s), suporte de estrutura de constru\u00e7\u00e3o, irriga\u00e7\u00e3o agr\u00edcola e outros cen\u00e1rios com altos requisitos econ\u00f4micos.<\/li>\n<\/ul>\n<p><strong>O custo e o pre\u00e7o s\u00e3o diferentes <\/strong><\/p>\n<ul>\n<li>Tubo sem costura: Processo complexo, grande investimento em equipamentos, pre\u00e7o mais alto do que o do tubo soldado, adequado para cen\u00e1rios de demanda de alto desempenho.<\/li>\n<li>Tubo soldado: Alta utiliza\u00e7\u00e3o de mat\u00e9ria-prima, efici\u00eancia de produ\u00e7\u00e3o r\u00e1pida, baixo custo, adequado para produ\u00e7\u00e3o padronizada em larga escala.<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"accordion-2865187150\" class=\"accordion-item\">\n\t\t<a id=\"accordion-2865187150-label\" class=\"accordion-title plain\" href=\"#accordion-item-how-long-is-the-lead-time-for-boiler-tube-orders?\" aria-expanded=\"false\" aria-controls=\"accordion-2865187150-content\" >\n\t\t\t<button class=\"toggle\" aria-label=\"Alternar\"><i class=\"icon-angle-down\"><\/i><\/button>\n\t\t\t<span>Qual \u00e9 o prazo de entrega para pedidos de tubos de caldeira?<\/span>\n\t\t<\/a>\n\t\t<div id=\"accordion-2865187150-content\" class=\"accordion-inner\" aria-labelledby=\"accordion-2865187150-label\" >\n\t\t\t\n<p>30-40 dias.<\/p>\n\t\t<\/div>\n\t<\/div>\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_942364361 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_2053319440\">\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-1549335890\">\n\n\t<div id=\"col-423683138\" 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>Produtos relacionados<\/h2>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\n\t<section class=\"section\" id=\"section_27283996\">\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-1284434370\">\n\n\n\t<div id=\"col-858214009\" 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-642959758\" >\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-832171450\">\n\n\n\t<div id=\"col-794822580\" 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_1301154445\">\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_1301154445 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2132845346\" class=\"text\">\n\t\t\n\n<p><strong>Tubo soldado<\/strong><\/p>\n\t\t\n<style>\n#text-2132845346 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2132845346 > * {\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-1652754524\" 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_1682370129\">\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_1682370129 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-512295471\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o SSAW<\/strong><\/p>\n\t\t\n<style>\n#text-512295471 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-512295471 > * {\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-712588790\" 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_160942520\">\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_160942520 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3820475130\" class=\"text\">\n\t\t\n\n<p><strong>Se\u00e7\u00e3o estrutural oca<\/strong><\/p>\n\t\t\n<style>\n#text-3820475130 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3820475130 > * {\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-934895501\" 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_771603635\">\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_771603635 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2928370421\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o sem costura<\/strong><\/p>\n\t\t\n<style>\n#text-2928370421 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2928370421 > * {\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-1238156377\">\n\n\n\t<div id=\"col-1347140223\" 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_1945474091\">\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_1945474091 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3786071133\" 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-3786071133 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3786071133 > * {\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-850099049\" 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_171833386\">\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_171833386 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-176880642\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de sprinklers contra inc\u00eandio<\/strong><\/p>\n\t\t\n<style>\n#text-176880642 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-176880642 > * {\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-1643270312\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  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class=\"text\">\n\t\t\n\n<p><strong>Tubo de linha<\/strong><\/p>\n\n\t\t\n<style>\n#text-780703883 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-780703883 > * {\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-509787873\" 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_1913659273\">\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_1913659273 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2031708866\" 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-2031708866 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2031708866 > * {\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_27283996 {\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_2053319440 {\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-5452","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>Boiler Tubes Supplier | Water &amp; Fire Tube Boiler\u200b Manufacturer<\/title>\n<meta name=\"description\" content=\"UNIASEN, as a professional carbon steel tube manufacturer in China, provides high-quality seamless and welded boiler tubes to meet a variety of sizes and specifications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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