{"id":2796,"date":"2023-10-18T15:41:20","date_gmt":"2023-10-18T07:41:20","guid":{"rendered":"https:\/\/uniasen.com\/?page_id=2796"},"modified":"2024-07-12T17:23:50","modified_gmt":"2024-07-12T09:23:50","slug":"astm-a252","status":"publish","type":"page","link":"https:\/\/uniasen.com\/pt\/padroes\/astm-a252\/","title":{"rendered":"ASTM A252"},"content":{"rendered":"<div id=\"page-header-369250849\" 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            ASTM A252          <\/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-369250849 .title-bg {\n  background-image: url(https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-carbon-steel-pipe-manufacturer-header.webp);\n}\n<\/style>\n  <\/div>\n    <\/div>\n  \n\t<div id=\"gap-164258702\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-164258702 {\n  padding-top: 4%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_1627944107\">\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 align-center\"  id=\"row-1034972943\">\n\n\t<div id=\"col-550123352\" class=\"col medium-10 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_775952067\">\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=\"670\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/spiral-welded-pipe-Competitive-Pricing.webp\" class=\"attachment-original size-original\" alt=\"tubula\u00e7\u00e3o soldada em espiral\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/spiral-welded-pipe-Competitive-Pricing.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/spiral-welded-pipe-Competitive-Pricing-300x201.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/spiral-welded-pipe-Competitive-Pricing-768x515.webp 768w\" 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_775952067 {\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\n\t<div id=\"col-1550834736\" class=\"col medium-11 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Tubo ASTM a252<\/h2>\n<p>A UNIASEN \u00e9 uma f\u00e1brica e exportadora atacadista de ASTM A252. Fornecemos estacas tubulares ASTM A252 Classe 1, Classe 2 e Classe 3. Adequadas para setores de desenvolvimento de infraestrutura, como constru\u00e7\u00e3o, petr\u00f3leo e g\u00e1s.<br \/>Dispon\u00edvel em tamanhos de at\u00e9 56 polegadas. Os tipos de tubos de a\u00e7o s\u00e3o SMLS ou ERW, LSAW e SSAW.<br \/>Esses tubos s\u00e3o de constru\u00e7\u00e3o sem costura, com solda por resist\u00eancia, solda flash ou solda por fus\u00e3o, e podem ter juntas longitudinais, de topo em espiral ou sobrepostas em espiral.<br \/>Esses tubos de a\u00e7o s\u00e3o projetados para serem usados como membros permanentes de suporte de carga ou como inv\u00f3lucros para estacas de concreto moldadas no local. Eles s\u00e3o cil\u00edndricos com paredes nominais e foram projetados para resistir ao teste do tempo e oferecer desempenho superior em v\u00e1rias condi\u00e7\u00f5es.<br \/>Desde 1998, temos o compromisso de oferecer a melhor qualidade e os menores pre\u00e7os.<\/p>\n<a href=\"#is-pop\" class=\"button primary\"  style=\"border-radius:10px;\">\n\t\t<span>Solicitar cota\u00e7\u00e3o de tubo A252<\/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-238368244\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-238368244 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1627944107 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_498670169\">\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-249451225\">\n\n\t<div id=\"col-1347264483\" 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 align-center\"  id=\"row-519628225\">\n\n\t<div id=\"col-1117018827\" class=\"col medium-11 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Introdu\u00e7\u00e3o \u00e0 ASTM 252<\/h2>\n<ul>\n<li><strong><b>Padr\u00e3o<\/b><\/strong><strong><b>: <\/b><\/strong>ASTM A252<\/li>\n<li><strong><b>Grau de a\u00e7o<\/b><\/strong><strong><b>: <\/b><\/strong>Gr.1, Gr.2, Gr.3<\/li>\n<li><strong><b>Dimens\u00f5es<\/b><\/strong><strong><b>: <\/b><\/strong>6\" - 56\", 168,3 mm - 1422 mm, DN150-DN1400<\/li>\n<li><strong><b>Espessura<\/b><\/strong><strong><b>: <\/b><\/strong>0,134\"- 1\", 3,40 mm - 25,4 mm<\/li>\n<li><strong><b>Extremidade do tubo<\/b><\/strong><strong><b>:<\/b><\/strong>\u00a0Liso, chanfrado<\/li>\n<li><strong><b>Processo<\/b><\/strong><strong><b>: <\/b><\/strong>Forno aberto, oxig\u00eanio b\u00e1sico ou el\u00e9trico<\/li>\n<li><strong><b>Fabrica\u00e7\u00e3o<\/b><\/strong><strong><b>: <\/b><\/strong><span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-sem-costura\/\">SMLS<\/a><\/span>, <a href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-erw\/\" data-wplink-edit=\"true\"><span style=\"color: #e14d43;\">ERW<\/span>,<\/a> <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra-2\/\">LSAW<\/a><\/span>, <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra\/\">SSAW<\/a><\/span><b><\/b><\/li>\n<li><strong><b>Revestimento de superf\u00edcie<\/b><\/strong><strong><b>: <\/b><\/strong>Envernizamento, lubrifica\u00e7\u00e3o, galvaniza\u00e7\u00e3o por imers\u00e3o a quente<\/li>\n<\/ul>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2100730046\" class=\"col medium-10 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_887607047\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"580\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/10\/2876_IM3_0205b81781a4f6e2ba00559163287992.webp\" class=\"attachment-original size-original\" alt=\"fornecedores e fabricantes de pipe pile_Piling Pipe\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/10\/2876_IM3_0205b81781a4f6e2ba00559163287992.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/10\/2876_IM3_0205b81781a4f6e2ba00559163287992-300x174.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/10\/2876_IM3_0205b81781a4f6e2ba00559163287992-768x445.webp 768w\" 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_887607047 {\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<p>Nossos tubos ASTM A252 v\u00eam com uma especifica\u00e7\u00e3o abrangente que inclui dimens\u00f5es, procedimentos de produ\u00e7\u00e3o, graus de a\u00e7o, revestimentos de superf\u00edcie, tipos de extremidade, m\u00e9todos de jun\u00e7\u00e3o e servi\u00e7os de usinagem.<\/p>\n<p>As dimens\u00f5es s\u00e3o projetadas para atender aos padr\u00f5es internacionais, garantindo a compatibilidade com seus projetos.<\/p>\n<p>Os revestimentos de superf\u00edcie s\u00e3o projetados para resistir \u00e0 corros\u00e3o e aumentar a vida \u00fatil dos tubos.<\/p>\n<p>Os tipos de extremidade e os m\u00e9todos de jun\u00e7\u00e3o s\u00e3o variados, proporcionando flexibilidade em seus processos de constru\u00e7\u00e3o ou fabrica\u00e7\u00e3o.<\/p>\n<p>Nossos servi\u00e7os de usinagem s\u00e3o personalizados para atender \u00e0s suas necessidades exclusivas, garantindo a utiliza\u00e7\u00e3o ideal de nossos produtos.<\/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_498670169 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_49106656\">\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-1823853683\">\n\n\t<div id=\"col-1362630856\" 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-1705250716\" class=\"text\">\n\t\t\n<h2>Por que escolher os tubos de a\u00e7o UNIASEN?<\/h2>\n\t\t\n<style>\n#text-1705250716 {\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<\/div>\n<div class=\"row align-middle align-center\"  id=\"row-292207215\">\n\n\t<div id=\"col-427675572\" class=\"col medium-10 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"video video-fit mb\" style=\"padding-top:56.25%;\"><p><iframe loading=\"lazy\" title=\"UNIASEN - FORNECIMENTO DE TUBOS DE A\u00c7O\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/oDiJnYyLsz4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1314116634\" class=\"col medium-11 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<p>A UNIASEN \u00e9 uma empresa bem conhecida na fabrica\u00e7\u00e3o e exporta\u00e7\u00e3o de tubos de a\u00e7o na China. Com mais de 20 anos de experi\u00eancia, nosso foco \u00e9 a exporta\u00e7\u00e3o de tubos de a\u00e7o.<\/p>\n<p>Se tiver alguma d\u00favida ou preocupa\u00e7\u00e3o relacionada a tubos de a\u00e7o, n\u00e3o hesite em entrar em contato com nossa equipe de especialistas experientes.<\/p>\n<ul>\n<li>Diversos produtos de tubos de a\u00e7o: Oferecemos uma linha completa de tubos de a\u00e7o. Isso inclui <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-sem-costura\/\">Tubos SMLS<\/a><\/span>, <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra-2\/\">Tubos LASW<\/a><\/span>, <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-revestido\/\">tubos revestidos<\/a><\/span>, <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/secoes-ocas\/\">se\u00e7\u00e3o oca<\/a><\/span>e mais de dez s\u00e9ries de produtos.<\/li>\n<li>Certifica\u00e7\u00e3o padr\u00e3o: Os produtos de tubula\u00e7\u00e3o da UNIASEN s\u00e3o fabricados de acordo com as normas, incluindo <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/padroes\/astm-a106\/\">ASTM A106<\/a><\/span>API 5L, ASTM 252 e centenas de outras normas. Possu\u00edmos v\u00e1rias certifica\u00e7\u00f5es internacionais, como ISO 9001, ISO 14001 e ISO 45001.<\/li>\n<li>Entrega r\u00e1pida: A UNIASEN tem 20.000 toneladas de tubos em estoque. Os produtos podem ser enviados para o porto de partida em at\u00e9 7 dias.<\/li>\n<li>Servi\u00e7o p\u00f3s-venda sem preocupa\u00e7\u00f5es: A UNIASEN oferece orienta\u00e7\u00e3o profissional para compras. Se houver problemas de qualidade, as devolu\u00e7\u00f5es e trocas ser\u00e3o tratadas prontamente.<\/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_49106656 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row\"  id=\"row-766143382\">\n\n\t<div id=\"col-2048790481\" 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 primary\"  style=\"border-radius:10px;\">\n\t\t<span>Solicite uma cota\u00e7\u00e3o de tubo ASTM A252<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\n\t<section class=\"section\" id=\"section_872871862\">\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-854277289\">\n\n\t<div id=\"col-1298749753\" 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>Tamanhos de tubos ASTM A252<\/h2>\n<p>A tabela de dimens\u00f5es do nosso tubo ASTM A252 foi meticulosamente projetada para lhe proporcionar uma compreens\u00e3o clara do produto.<\/p>\n<p>Ele abrange especifica\u00e7\u00f5es como o di\u00e2metro externo, a espessura da parede, o comprimento e o peso por unidade de comprimento. Cada dimens\u00e3o \u00e9 meticulosamente calibrada para garantir o m\u00e1ximo desempenho e adequa\u00e7\u00e3o aos seus projetos.<\/p>\n<p>Se voc\u00ea precisa de tubos para constru\u00e7\u00e3o em larga escala ou para fabrica\u00e7\u00e3o em pequena escala, nossa tabela de dimens\u00f5es o orientar\u00e1 na sele\u00e7\u00e3o do produto certo. Os valores de peso por unidade de comprimento tamb\u00e9m s\u00e3o fornecidos, permitindo que voc\u00ea planeje seus processos de log\u00edstica e manuseio de forma eficaz.<\/p>\n<div style=\"overflow: auto; \" >\n<table border=\"\u201d1\u2033\" width=\"\u201d3000px\u201d\" height=\"\u201d120px\u201d\" align=\"\u201dcenter\u201d\" >\n<tbody>\n<tr>\n<td width=\"82\">Nominal<br \/>Tamanho do tubo<\/td>\n<td width=\"93\">Exterior<br \/>Di\u00e2metro<br \/>(mm)<\/td>\n<td colspan=\"19\" rowspan=\"2\" width=\"1015\">Tamanhos comuns<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">NPS<\/td>\n<td width=\"93\">OD<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">6<\/td>\n<td width=\"93\">152.4<\/td>\n<td width=\"47\">3.40<\/td>\n<td width=\"56\">3.58<\/td>\n<td width=\"56\">3.96<\/td>\n<td width=\"56\">4.17<\/td>\n<td width=\"47\">4.37<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"48\">&#8211;<\/td>\n<td width=\"58\">&#8211;<\/td>\n<td width=\"58\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">8<\/td>\n<td width=\"93\">203.2<\/td>\n<td width=\"47\">3.58<\/td>\n<td width=\"56\">4.37<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"48\">&#8211;<\/td>\n<td width=\"58\">&#8211;<\/td>\n<td width=\"58\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">8 5\/8<\/td>\n<td width=\"93\">219.1<\/td>\n<td width=\"47\">2.77<\/td>\n<td width=\"56\">3.58<\/td>\n<td width=\"56\">4.37<\/td>\n<td width=\"56\">4.78<\/td>\n<td width=\"47\">5.16<\/td>\n<td width=\"56\">5.56<\/td>\n<td width=\"48\">6.35<\/td>\n<td width=\"58\">7.04<\/td>\n<td width=\"58\">7.92<\/td>\n<td width=\"56\">8.18<\/td>\n<td width=\"56\">8.74<\/td>\n<td width=\"56\">9.53<\/td>\n<td width=\"56\">11.13<\/td>\n<td width=\"47\">12.7<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">10<\/td>\n<td width=\"93\">254.0<\/td>\n<td width=\"47\">2.77<\/td>\n<td width=\"56\">3.05<\/td>\n<td width=\"56\">3.4<\/td>\n<td width=\"56\">3.58<\/td>\n<td width=\"47\">3.81<\/td>\n<td width=\"56\">4.17<\/td>\n<td width=\"48\">4.37<\/td>\n<td width=\"58\">4.55<\/td>\n<td width=\"58\">4.78<\/td>\n<td width=\"56\">5.16<\/td>\n<td width=\"56\">5.56<\/td>\n<td width=\"56\">5.84<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">10 3\/4<\/td>\n<td width=\"93\">273.1<\/td>\n<td width=\"47\">2.77<\/td>\n<td width=\"56\">3.05<\/td>\n<td width=\"56\">3.4<\/td>\n<td width=\"56\">3.58<\/td>\n<td width=\"47\">3.81<\/td>\n<td width=\"56\">4.17<\/td>\n<td width=\"48\">4.37<\/td>\n<td width=\"58\">4.55<\/td>\n<td width=\"58\">4.78<\/td>\n<td width=\"56\">5.16<\/td>\n<td width=\"56\">5.56<\/td>\n<td width=\"56\">5.84<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"47\">7.09<\/td>\n<td width=\"47\">7.8<\/td>\n<td width=\"56\">8.74<\/td>\n<td width=\"56\">9.27<\/td>\n<td width=\"56\">11.13<\/td>\n<td width=\"47\">12.7<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">12<\/td>\n<td width=\"93\">304.8<\/td>\n<td width=\"47\">3.40<\/td>\n<td width=\"56\">3.58<\/td>\n<td width=\"56\">3.81<\/td>\n<td width=\"56\">4.17<\/td>\n<td width=\"47\">4.37<\/td>\n<td width=\"56\">4.55<\/td>\n<td width=\"48\">4.78<\/td>\n<td width=\"58\">5.16<\/td>\n<td width=\"58\">5.56<\/td>\n<td width=\"56\">5.84<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"56\">7.14<\/td>\n<td width=\"56\">7.92<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">12 3\/4<\/td>\n<td width=\"93\">323.9<\/td>\n<td width=\"47\">2.77<\/td>\n<td width=\"56\">3.40<\/td>\n<td width=\"56\">3.58<\/td>\n<td width=\"56\">3.81<\/td>\n<td width=\"47\">4.17<\/td>\n<td width=\"56\">4.37<\/td>\n<td width=\"48\">4.55<\/td>\n<td width=\"58\">4.78<\/td>\n<td width=\"58\">5.16<\/td>\n<td width=\"56\">5.56<\/td>\n<td width=\"56\">5.84<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"56\">7.14<\/td>\n<td width=\"47\">7.93<\/td>\n<td width=\"47\">8.38<\/td>\n<td width=\"56\">8.74<\/td>\n<td width=\"56\">9.53<\/td>\n<td width=\"56\">11.13<\/td>\n<td width=\"47\">12.7<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">14<\/td>\n<td width=\"93\">355.6<\/td>\n<td width=\"47\">3.40<\/td>\n<td width=\"56\">3.58<\/td>\n<td width=\"56\">3.81<\/td>\n<td width=\"56\">4.17<\/td>\n<td width=\"47\">4.37<\/td>\n<td width=\"56\">4.55<\/td>\n<td width=\"48\">4.78<\/td>\n<td width=\"58\">5.16<\/td>\n<td width=\"58\">5.56<\/td>\n<td width=\"56\">5.84<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"56\">7.14<\/td>\n<td width=\"56\">7.93<\/td>\n<td width=\"47\">8.87<\/td>\n<td width=\"47\">9.53<\/td>\n<td width=\"56\">11.13<\/td>\n<td width=\"56\">11.91<\/td>\n<td width=\"56\">12.7<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">16<\/td>\n<td width=\"93\">406.4<\/td>\n<td width=\"47\">3.40<\/td>\n<td width=\"56\">3.58<\/td>\n<td width=\"56\">3.81<\/td>\n<td width=\"56\">4.17<\/td>\n<td width=\"47\">4.37<\/td>\n<td width=\"56\">4.55<\/td>\n<td width=\"48\">4.78<\/td>\n<td width=\"58\">5.16<\/td>\n<td width=\"58\">5.56<\/td>\n<td width=\"56\">5.84<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"56\">7.14<\/td>\n<td width=\"56\">7.93<\/td>\n<td width=\"47\">8.87<\/td>\n<td width=\"47\">9.53<\/td>\n<td width=\"56\">11.13<\/td>\n<td width=\"56\">11.91<\/td>\n<td width=\"56\">12.7<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">18<\/td>\n<td width=\"93\">457.2<\/td>\n<td width=\"47\">3.58<\/td>\n<td width=\"56\">4.37<\/td>\n<td width=\"56\">4.78<\/td>\n<td width=\"56\">5.56<\/td>\n<td width=\"47\">5.84<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"48\">7.14<\/td>\n<td width=\"58\">7.93<\/td>\n<td width=\"58\">8.74<\/td>\n<td width=\"56\">9.53<\/td>\n<td width=\"56\">11.13<\/td>\n<td width=\"56\">11.91<\/td>\n<td width=\"56\">12.7<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">20<\/td>\n<td width=\"93\">508.0<\/td>\n<td width=\"47\">3.58<\/td>\n<td width=\"56\">4.37<\/td>\n<td width=\"56\">4.78<\/td>\n<td width=\"56\">5.56<\/td>\n<td width=\"47\">6.35<\/td>\n<td width=\"56\">7.14<\/td>\n<td width=\"48\">7.93<\/td>\n<td width=\"58\">8.87<\/td>\n<td width=\"58\">9.53<\/td>\n<td width=\"56\">11.13<\/td>\n<td width=\"56\">11.91<\/td>\n<td width=\"56\">12.7<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">22<\/td>\n<td width=\"93\">558.8<\/td>\n<td width=\"47\">4.37<\/td>\n<td width=\"56\">4.78<\/td>\n<td width=\"56\">5.56<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"47\">7.14<\/td>\n<td width=\"56\">7.93<\/td>\n<td width=\"48\">9.53<\/td>\n<td width=\"58\">11.13<\/td>\n<td width=\"58\">11.91<\/td>\n<td width=\"56\">12.70<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"82\">24<\/td>\n<td width=\"93\">609.6<\/td>\n<td width=\"47\">4.37<\/td>\n<td width=\"56\">4.78<\/td>\n<td width=\"56\">5.56<\/td>\n<td width=\"56\">6.35<\/td>\n<td width=\"47\">7.14<\/td>\n<td width=\"56\">7.93<\/td>\n<td width=\"48\">9.53<\/td>\n<td width=\"58\">11.13<\/td>\n<td width=\"58\">11.91<\/td>\n<td width=\"56\">12.70<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"56\">&#8211;<\/td>\n<td width=\"47\">&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<style>\n#row-854277289 > .col > .col-inner {\n  padding: 0px 0px 0px 0px;\n}\n<\/style>\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_872871862 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row\"  id=\"row-226832086\">\n\n\t<div id=\"col-1318737805\" 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 primary\"  style=\"border-radius:10px;\">\n\t\t<span>Solicite uma cota\u00e7\u00e3o de tubo ASTM A252<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\n\t<section class=\"section\" id=\"section_1480126035\">\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-1990771949\">\n\n\t<div id=\"col-1718435869\" 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>Requisito qu\u00edmico<\/h2>\n<p>A ASTM A252 \u00e9 uma especifica\u00e7\u00e3o padr\u00e3o para estacas de tubos de a\u00e7o sem costura e com solda em espiral.<\/p>\n<p>A norma exige que o a\u00e7o n\u00e3o contenha mais do que 0,050% de f\u00f3sforo. Outros elementos s\u00e3o compat\u00edveis com os materiais de a\u00e7o carbono em geral.<\/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_1480126035 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_589333315\">\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-1881978289\">\n\n\t<div id=\"col-973138617\" 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>Requisitos mec\u00e2nicos<\/h2>\n<p>Os requisitos mec\u00e2nicos dos nossos tubos ASTM A252 s\u00e3o projetados para garantir sua durabilidade e confiabilidade. Isso inclui os valores de resist\u00eancia \u00e0 tra\u00e7\u00e3o, resist\u00eancia ao escoamento e alongamento. Esses valores s\u00e3o cuidadosamente controlados durante o processo de fabrica\u00e7\u00e3o para garantir que os tubos possam suportar as tens\u00f5es e deforma\u00e7\u00f5es de suas aplica\u00e7\u00f5es pretendidas.<\/p>\n<p>Se voc\u00ea estiver usando os tubos para estruturas de suporte de carga ou como cascas para estacas de concreto, pode confiar na capacidade deles de trabalhar sob press\u00e3o.<\/p>\n<div style=\"overflow: auto;\">\n<table border=\"\u201d1\u2033\" width=\"\u201d3000px\u201d\" align=\"\u201dcenter\u201d\">\n<tbody>\n<tr>\n<td colspan=\"4\" width=\"940\">A252\/A252M - 19<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">Requisitos de tra\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td width=\"614\">Resist\u00eancia \u00e0 tra\u00e7\u00e3o, min, psi [MPa]<\/td>\n<td width=\"116\">50 000 [345]<\/td>\n<td width=\"103\">60 000 [415]<\/td>\n<td width=\"107\">66 000 [455]<\/td>\n<\/tr>\n<tr>\n<td width=\"614\">Ponto de escoamento ou resist\u00eancia ao escoamento, min, psi [MPa]<\/td>\n<td width=\"116\">30 000 [205]<\/td>\n<td width=\"103\">35 000 [240]<\/td>\n<td width=\"107\">45 000 [310]<\/td>\n<\/tr>\n<tr>\n<td width=\"614\">Alongamento m\u00ednimo b\u00e1sico para espessuras nominais de parede de 5\u204416 pol. [7,9 mm] ou mais:<\/td>\n<td width=\"116\">&#8211;<\/td>\n<td width=\"103\">&#8211;<\/td>\n<td width=\"107\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"614\">Alongamento em 8 pol. [203,2 mm], min, %<\/td>\n<td width=\"116\">18<\/td>\n<td width=\"103\">14<\/td>\n<td width=\"107\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"614\">Alongamento em 2 pol. [50,8 mm], min, %<\/td>\n<td width=\"116\">30<\/td>\n<td width=\"103\">25<\/td>\n<td width=\"107\">20<\/td>\n<\/tr>\n<tr>\n<td width=\"614\">Para espessuras nominais de parede inferiores a 5\u204416 pol. [7,9 mm]. [7,9 mm], a dedu\u00e7\u00e3o de<br \/>o alongamento m\u00ednimo b\u00e1sico em 2 pol. [50,8 mm] para cada 1\u204432 - pol. [0,8 mm] de diminui\u00e7\u00e3o na espessura nominal da parede abaixo de 5\u204416 pol. [7,9 mm], em pontos percentuais. [7,9 mm], em pontos percentuais<\/td>\n<td width=\"116\">1.50A<\/td>\n<td width=\"103\">1.25A<\/td>\n<td width=\"107\">1.0A<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\" width=\"940\">A Tabela 2 apresenta os valores m\u00ednimos computados:<\/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_589333315 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row\"  id=\"row-1076535590\">\n\n\t<div id=\"col-1407706982\" 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 primary\"  style=\"border-radius:10px;\">\n\t\t<span>Solicitar cota\u00e7\u00e3o de tubo A252<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1482959293\">\n\n\t<div id=\"col-297525420\" 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>Classes ASTM A252<\/h2>\n<p>O tubo padr\u00e3o ASTM A252 tem tr\u00eas graus: A252 Grau 1, A252 Grau 2 e A252 Grau.<\/p>\n<p>Essas classes representam diferentes requisitos de resist\u00eancia e composi\u00e7\u00e3o qu\u00edmica para tubos de a\u00e7o. Eles atendem aos requisitos de projetos e aplica\u00e7\u00f5es espec\u00edficos.<\/p>\n<p>As classes ASTM A252 s\u00e3o usadas principalmente para fabricar estacas de tubos de a\u00e7o para infraestrutura de funda\u00e7\u00e3o. Elas s\u00e3o usadas na engenharia civil e estrutural.<\/p>\n<p>Nossa equipe de especialistas pode orient\u00e1-lo na sele\u00e7\u00e3o do grau certo para o seu projeto, garantindo que voc\u00ea obtenha o m\u00e1ximo de nossos produtos.<\/p>\n<p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1586859642\">\n\n\t<div id=\"col-1424848724\" 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>Toler\u00e2ncia de produ\u00e7\u00e3o<\/h2>\n<p>Na UNIASEN, entendemos a import\u00e2ncia da precis\u00e3o. Nossos tubos ASTM A252 s\u00e3o produzidos com toler\u00e2ncias rigorosas. Isso inclui toler\u00e2ncias para dimens\u00f5es, peso, retid\u00e3o e acabamento final.<\/p>\n<p>Ao controlar esses fatores, garantimos que nossos tubos atendam \u00e0s suas especifica\u00e7\u00f5es e ofere\u00e7am desempenho consistente.<\/p>\n<p>Seja na constru\u00e7\u00e3o de um arranha-c\u00e9u ou na instala\u00e7\u00e3o de uma tubula\u00e7\u00e3o, voc\u00ea pode confiar em nossos tubos para que se encaixem perfeitamente e tenham um desempenho confi\u00e1vel.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"gap-556611652\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-556611652 {\n  padding-top: 3%;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-944155765\">\n\n\t<div id=\"col-635251784\" 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>Informa\u00e7\u00f5es necess\u00e1rias para solicitar estacas tubulares ASTM A252<\/h2>\n<p>Antes de comprar estacas tubulares que atendam \u00e0s especifica\u00e7\u00f5es da ASTM A252, os materiais necess\u00e1rios precisam ser totalmente descritos:<\/p>\n<ul>\n<li>Quantidade (n\u00famero de p\u00e9s ou comprimentos)<\/li>\n<li>Nome do material (pilha de tubos de a\u00e7o)<\/li>\n<li>M\u00e9todo de fabrica\u00e7\u00e3o (<a href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-sem-costura\/\"><span style=\"color: #e14d43;\">sem emendas<\/span><\/a> ou soldadas; a soldagem inclui <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-erw\/\">ERW<\/a><\/span>, <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra-2\/\">LSAW<\/a><\/span>e <span style=\"color: #e14d43;\"><a style=\"color: #e14d43;\" href=\"https:\/\/uniasen.com\/pt\/produtos\/tubo-de-serra\/\">SSAW<\/a><\/span>)<\/li>\n<li>Grau (os graus ASTM A252 s\u00e3o 1, 2 e 3, em um total de 3 n\u00edveis)<\/li>\n<li>Dimens\u00f5es (di\u00e2metro externo e espessura nominal da parede; consulte o ap\u00eandice deste artigo para obter detalhes)<\/li>\n<li>Peso (especifique se cada pe\u00e7a deve ser pesada)<\/li>\n<\/ul>\n<h3>ASTM A252 Grau 3: Materiais mais comumente usados<\/h3>\n<p>O ASTM A252 Grau 3 pode ser o material mais comumente usado em algumas aplica\u00e7\u00f5es. Ele \u00e9 frequentemente usado em projetos que resistem a condi\u00e7\u00f5es geol\u00f3gicas e de engenharia mais exigentes. Isso se deve ao fato de ter uma alta resist\u00eancia \u00e0 tra\u00e7\u00e3o de 66.000 psi (455 MPa), resist\u00eancia \u00e0 corros\u00e3o e boa resist\u00eancia ao impacto.<\/p>\n<p>No entanto, o tubo A252 Grau 1 ou Grau 2 pode ser mais adequado em alguns casos, especialmente em projetos relativamente leves de engenharia civil ou de infraestrutura geral.<\/p>\n<p>A escolha ideal deve se basear nas necessidades espec\u00edficas do projeto, nos crit\u00e9rios de design e nas recomenda\u00e7\u00f5es do engenheiro.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-762968637\">\n\n\t<div id=\"col-403353399\" 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 primary\"  style=\"border-radius:10px;\">\n\t\t<span>Solicite uma cota\u00e7\u00e3o de tubo ASTM A252<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-84769093\">\n\n\t<div id=\"col-191416496\" 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-972969462\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-972969462 {\n  padding-top: 60px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-1768306917\" class=\"text\">\n\t\t\n<h2>Aplica\u00e7\u00f5es da ASTM A252<\/h2>\n\t\t\n<style>\n#text-1768306917 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row align-middle align-center\"  id=\"row-276893350\">\n\n\t<div id=\"col-2104801347\" class=\"col medium-11 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<p>A ASTM A252 fabrica principalmente tubos de a\u00e7o espiralados com e sem costura ou tubos com costura reta soldados por arco submerso (SSAW). Esses tubos de a\u00e7o s\u00e3o comumente usados em infraestrutura de engenharia civil e estrutural. Eles s\u00e3o especialmente usados na constru\u00e7\u00e3o de funda\u00e7\u00f5es de estacas.<\/p>\n<p>Especificamente, a norma ASTM A252 abrange tr\u00eas tipos de tubos. Esses tipos de tubos s\u00e3o normalmente usados nas seguintes aplica\u00e7\u00f5es:<\/p>\n<ul>\n<li>Funda\u00e7\u00e3o de estacas: O tubo de a\u00e7o ASTM A252 \u00e9 comumente usado em projetos de funda\u00e7\u00e3o de estacas para apoiar as estruturas b\u00e1sicas de edif\u00edcios, pontes, docas etc.<\/li>\n<li>Engenharia civil: Em alguns projetos de engenharia civil, como prote\u00e7\u00e3o de aterros de rios, sistemas de drenagem e refor\u00e7o de funda\u00e7\u00f5es, os tubos de a\u00e7o padr\u00e3o ASTM A252 tamb\u00e9m s\u00e3o amplamente utilizados.<\/li>\n<li>Transporte de petr\u00f3leo e g\u00e1s: Em alguns casos, os tubos de a\u00e7o ASTM A252 tamb\u00e9m podem ser usados em tubula\u00e7\u00f5es de transporte de petr\u00f3leo e g\u00e1s, especialmente em condi\u00e7\u00f5es geol\u00f3gicas especiais.<\/li>\n<\/ul>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1427082095\" class=\"col medium-10 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_977069898\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"563\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/10\/4-17-2015-dpipe-port-steward-0314.webp\" class=\"attachment-original size-original\" alt=\"fornecedores e fabricantes de estacas tubulares de a\u00e7o_estacas tubulares\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/10\/4-17-2015-dpipe-port-steward-0314.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/10\/4-17-2015-dpipe-port-steward-0314-300x169.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/10\/4-17-2015-dpipe-port-steward-0314-768x432.webp 768w\" 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_977069898 {\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\t<div id=\"gap-1994787386\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1994787386 {\n  padding-top: 30px;\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-98521621\">\n\n\t<div id=\"col-1910484228\" 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-237120441\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-237120441 {\n  padding-top: 20px;\n}\n@media (min-width:550px) {\n  #gap-237120441 {\n    padding-top: 60px;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-1595638412\" class=\"text\">\n\t\t\n<h2>Produtos quentes<\/h2>\n\t\t\n<style>\n#text-1595638412 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_1005978361\">\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-1449111311\">\n\n\n\t<div id=\"col-1782319059\" 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-1437444182\" >\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-2056310080\">\n\n\n\t<div id=\"col-262654438\" 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_232863158\">\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_232863158 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3606661537\" class=\"text\">\n\t\t\n\n<p><strong>Tubo soldado<\/strong><\/p>\n\t\t\n<style>\n#text-3606661537 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3606661537 > * {\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-1725899782\" 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_1032068336\">\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_1032068336 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1941295339\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o SSAW<\/strong><\/p>\n\t\t\n<style>\n#text-1941295339 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1941295339 > * {\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-1628026572\" 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_1833708449\">\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_1833708449 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2585680027\" class=\"text\">\n\t\t\n\n<p><strong>Se\u00e7\u00e3o estrutural oca<\/strong><\/p>\n\t\t\n<style>\n#text-2585680027 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2585680027 > * {\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-822480356\" 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_1576701429\">\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_1576701429 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3757379149\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de a\u00e7o sem costura<\/strong><\/p>\n\t\t\n<style>\n#text-3757379149 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3757379149 > * {\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-1343856791\">\n\n\n\t<div id=\"col-16889988\" 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_852825806\">\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_852825806 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2254477649\" 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-2254477649 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2254477649 > * {\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-553741456\" 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_2003927437\">\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_2003927437 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2795805114\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de sprinklers contra inc\u00eandio<\/strong><\/p>\n\t\t\n<style>\n#text-2795805114 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2795805114 > * {\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-1822354664\" 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_52152633\">\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_52152633 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1040703312\" class=\"text\">\n\t\t\n\n<p><strong>Tubo de linha<\/strong><\/p>\n\n\t\t\n<style>\n#text-1040703312 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1040703312 > * {\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-2045997857\" 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_1222581491\">\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_1222581491 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-629882683\" 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-629882683 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-629882683 > * {\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_1005978361 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":2187,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-2796","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>ASTM A252 Pipe Piles Specifications - UNIASEN<\/title>\n<meta name=\"description\" content=\"ASTM A252 specifies requirements for the manufacture of steel pipe piles. 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