{"id":2823,"date":"2023-10-19T14:22:45","date_gmt":"2023-10-19T06:22:45","guid":{"rendered":"https:\/\/uniasen.com\/?page_id=2823"},"modified":"2024-09-04T08:49:31","modified_gmt":"2024-09-04T00:49:31","slug":"astm-a691","status":"publish","type":"page","link":"https:\/\/uniasen.com\/es\/estandares\/astm-a691\/","title":{"rendered":"ASTM A691"},"content":{"rendered":"<div id=\"page-header-393819365\" 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 A691          <\/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-393819365 .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-1698701650\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1698701650 {\n  padding-top: 4%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_1982614728\">\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-431990026\">\n\n\t<div id=\"col-1005827411\" 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\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1456948461\">\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\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory.webp\" class=\"attachment-original size-original\" alt=\"china lsaw pipe supplier line pipe factory\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-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_1456948461 {\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-1842101767\" 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<h2>Tubos ASTM A691<\/h2>\n<p><strong>Descripci\u00f3n general est\u00e1ndar:\u00a0<\/strong><\/p>\n<p>ASTM A691 es una norma para tubos de acero al carbono y aleado soldados el\u00e9ctricamente. Se utiliza en entornos de alta temperatura y alta presi\u00f3n. Estos tubos se suelen fabricar rizando y soldando m\u00faltiples chapas de acero. Tienen buena resistencia y resistencia a la corrosi\u00f3n.<\/p>\n<p><strong>Material principal:<\/strong><\/p>\n<p>Materiales de acero al carbono y acero aleado. Los materiales de acero de aleaci\u00f3n comunes incluyen 1.25Cr-0.5Mo, 2.25Cr-1Mo, etc.<\/p>\n<p><strong>\u00c1mbito de aplicaci\u00f3n:<\/strong><\/p>\n<p>Los tubos ASTM A691 se utilizan ampliamente en las industrias petrolera, gas\u00edstica, energ\u00e9tica y qu\u00edmica. Son para entornos de alta temperatura y alta presi\u00f3n, como calderas y sistemas de tuber\u00edas.<\/p>\n<a href=\"#is-pop\" class=\"button primary\"  style=\"border-radius:10px;\">\n\t\t<span>Solicitar presupuesto<\/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_1982614728 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1969547651\">\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-9393948\">\n\n\t<div id=\"col-787278163\" 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>Especificaci\u00f3n de ASTM A691<\/h2>\n<table>\n<thead>\n<tr>\n<th>Est\u00e1ndar<\/th>\n<th>ASTM A691<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Solicitud<\/td>\n<td>Especificaci\u00f3n est\u00e1ndar para tuber\u00edas de acero al carbono y aleado, soldadas por fusi\u00f3n el\u00e9ctrica para servicio de alta presi\u00f3n a altas temperaturas.<\/td>\n<\/tr>\n<tr>\n<td>Grado de la tuber\u00eda<\/td>\n<td>Acero aleado ASTM A691 Cl22,1 CR,1\/2 CR,1 1\/4 CR,2 1\/4 CR, 3 CR,5 CR,9 CR,91,CM 65,CM70,CM75<\/td>\n<\/tr>\n<tr>\n<td>Designaci\u00f3n de clase<\/td>\n<td>Clase 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73..<\/td>\n<\/tr>\n<tr>\n<td>Procedimiento<\/td>\n<td>EFW, <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/es\/productos\/tubo-erw\/\">REG<\/a><\/span>, <a href=\"https:\/\/uniasen.com\/es\/productos\/tubo-sin-costura\/\"><span style=\"color: #ff6600;\">SIN COSTURAS<\/span><\/a>, <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/es\/productos\/tubo-de-sierra-2\/\">LSAW<\/a><\/span><\/td>\n<\/tr>\n<tr>\n<td>Di\u00e1metro exterior<\/td>\n<td>1\/2&#8221;- 36&#8221;<\/td>\n<\/tr>\n<tr>\n<td>Espesor de pared<\/td>\n<td>SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH12,0 SCH140, SCH160, XXS<\/td>\n<\/tr>\n<tr>\n<td>Longitud del tubo<\/td>\n<td>Longitud aleatoria simple\/Longitud aleatoria doble 5m-14m,5.8m,6m,10m-12m,12m o seg\u00fan la petici\u00f3n real del cliente<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Tolerancia<\/td>\n<td>DE: +\/- 0,5 % del di\u00e1metro exterior especificado<\/td>\n<\/tr>\n<tr>\n<td>WT: no m\u00e1s de 0,01 pulg. (0,3 mm) por debajo del espesor nominal especificado.<\/td>\n<\/tr>\n<tr>\n<td>Longitud: dentro de -0,+1\u20442 pulg. (-0, +13 mm) de lo especificado.<\/td>\n<\/tr>\n<tr>\n<td>Superficie de la tuber\u00eda<\/td>\n<td>Desnudo, pintado de negro, barnizado, galvanizado, anticorrosi\u00f3n, revestimiento de PE PP\/EP\/FBE<\/td>\n<\/tr>\n<tr>\n<td>Extremo de tuber\u00eda<\/td>\n<td>Extremo liso\/Biselado,protegido por tapones de pl\u00e1stico en ambos extremos, cut quare,ranurado, roscado y acoplamiento<\/td>\n<\/tr>\n<tr>\n<td>M\u00e9todo t\u00e9cnico<\/td>\n<td>Laminado en caliente\/estirado en fr\u00edo\/expandido en caliente<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1969547651 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1352010715\">\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-205088108\">\n\n\t<div id=\"col-1135455685\" 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>Dimensi\u00f3n<\/h2>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1527131327\">\n\n\t<div id=\"col-239791404\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<table>\n<tbody>\n<tr>\n<td width=\"190\">Di\u00e1metro exterior\uff1a<\/td>\n<td width=\"296\">405 mm [16 pulg.] o superior<\/td>\n<\/tr>\n<tr>\n<td>Espesor de pared\uff1a<\/td>\n<td>hasta 75 mm [3 pulg.]<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"486\">Podr\u00e1n suministrarse tubos de otras dimensiones siempre que cumplan todos los dem\u00e1s requisitos de esta especificaci\u00f3n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1352010715 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_846221797\">\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-231692542\">\n\n\t<div id=\"col-1618689865\" 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<table>\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"72\">Grado de la tuber\u00eda<\/td>\n<td rowspan=\"2\" width=\"359\">Tipo de acero<\/td>\n<td colspan=\"2\" width=\"184\">Especificaci\u00f3n ASTM<\/td>\n<td rowspan=\"2\" width=\"72\">HB , maxA<\/td>\n<\/tr>\n<tr>\n<td>N\u00famero<\/td>\n<td>Calificaci\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>CM -65<\/td>\n<td>acero al carbono - molibdeno<\/td>\n<td>A204\/A204M<\/td>\n<td>A<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CM -70<\/td>\n<td>acero al carbono - molibdeno<\/td>\n<td>A204\/A204M<\/td>\n<td>B<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CM -75<\/td>\n<td>acero al carbono - molibdeno<\/td>\n<td>A204\/A204M<\/td>\n<td>C<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CmSH -70<\/td>\n<td>acero al carbono - manganeso - silicio , normalizado<\/td>\n<td>A537\/A537M<\/td>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>CMS -75<\/td>\n<td>acero al carbono - manganeso - silicio<\/td>\n<td>A299\/A299M<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>CMSH -80<\/td>\n<td>acero al carbono - manganeso - silicio , templado y revenido<\/td>\n<td>A537\/A537M<\/td>\n<td>2<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>1\/2 CR<\/td>\n<td>1\/2% acero al cromo, 1\/2% acero al molibdeno<\/td>\n<td>A387\/A387M<\/td>\n<td>2<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>1CR<\/td>\n<td>Cromo 1%, acero al molibdeno 1\/2%<\/td>\n<td>A387\/A387M<\/td>\n<td>12<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>1-1\/4 CR<\/td>\n<td>Acero al cromo 11\/4% ,acero al molibdeno 1\/2%<\/td>\n<td>A387\/A387M<\/td>\n<td>11<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>2-1\/4 CR<\/td>\n<td>Acero al cromo 21\/4% ,acero al molibdeno 1%<\/td>\n<td>A387\/A387M<\/td>\n<td>22<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>3CR<\/td>\n<td>Acero al cromo 3%, acero al molibdeno 1%<\/td>\n<td>A387\/A387M<\/td>\n<td>21<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>5CR<\/td>\n<td>Cromo 5%, acero al molibdeno 1\/2%<\/td>\n<td>A387\/A387M<\/td>\n<td>5<\/td>\n<td>225<\/td>\n<\/tr>\n<tr>\n<td>9CR<\/td>\n<td>9% cromo ,1% molibdeno acero<\/td>\n<td>A387\/A387M<\/td>\n<td>9<\/td>\n<td>241<\/td>\n<\/tr>\n<tr>\n<td>91<\/td>\n<td>9% cromo ,1% molibdeno , vanadio , columbio<\/td>\n<td>A387\/A387M<\/td>\n<td>91B<\/td>\n<td>241<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" width=\"687\">A Los valores de dureza indicados son aplicables a S3.<br \/>\nBGrade 91 se designar\u00e1 por Tipo 1 o Tipo 2 cuando as\u00ed lo exija la especificaci\u00f3n predominante .<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_846221797 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1976152132\">\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-1558607287\">\n\n\t<div id=\"col-248579199\" 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 mec\u00e1nico<\/h2>\n<table>\n<thead>\n<tr>\n<th rowspan=\"2\">Grado de la tuber\u00eda<\/th>\n<th rowspan=\"2\">Tipo de acero<\/th>\n<th colspan=\"2\">Especificaci\u00f3n ASTM<\/th>\n<th rowspan=\"2\">HB , maxA<\/th>\n<\/tr>\n<tr>\n<th>N\u00famero<\/th>\n<th>Calificaci\u00f3n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CM -65<\/td>\n<td>acero al carbono - molibdeno<\/td>\n<td>A204\/A204M<\/td>\n<td>A<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CM -70<\/td>\n<td>acero al carbono - molibdeno<\/td>\n<td>A204\/A204M<\/td>\n<td>B<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CM -75<\/td>\n<td>acero al carbono - molibdeno<\/td>\n<td>A204\/A204M<\/td>\n<td>C<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CmSH -70<\/td>\n<td>acero al carbono - manganeso - silicio , normalizado<\/td>\n<td>A537\/A537M<\/td>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>CMS -75<\/td>\n<td>acero al carbono - manganeso - silicio<\/td>\n<td>A299\/A299M<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>CMSH -80<\/td>\n<td>acero al carbono - manganeso - silicio , templado y revenido<\/td>\n<td>A537\/A537M<\/td>\n<td>2<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>1\/2 CR<\/td>\n<td>1\/2% acero al cromo, 1\/2% acero al molibdeno<\/td>\n<td>A387\/A387M<\/td>\n<td>2<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>1CR<\/td>\n<td>Cromo 1%, acero al molibdeno 1\/2%<\/td>\n<td>A387\/A387M<\/td>\n<td>12<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>1-1\/4 CR<\/td>\n<td>Acero al cromo 11\/4% ,acero al molibdeno 1\/2%<\/td>\n<td>A387\/A387M<\/td>\n<td>11<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>2-1\/4 CR<\/td>\n<td>Acero al cromo 21\/4% ,acero al molibdeno 1%<\/td>\n<td>A387\/A387M<\/td>\n<td>22<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>3CR<\/td>\n<td>Acero al cromo 3%, acero al molibdeno 1%<\/td>\n<td>A387\/A387M<\/td>\n<td>21<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>5CR<\/td>\n<td>Cromo 5%, acero al molibdeno 1\/2%<\/td>\n<td>A387\/A387M<\/td>\n<td>5<\/td>\n<td>225<\/td>\n<\/tr>\n<tr>\n<td>9CR<\/td>\n<td>9% cromo ,1% molibdeno acero<\/td>\n<td>A387\/A387M<\/td>\n<td>9<\/td>\n<td>241<\/td>\n<\/tr>\n<tr>\n<td>91<\/td>\n<td>9% cromo ,1% molibdeno , vanadio , columbio<\/td>\n<td>A387\/A387M<\/td>\n<td>91B<\/td>\n<td>241<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">A Los valores de dureza indicados son aplicables a S3.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">BGrade 91 se designar\u00e1 por Tipo 1 o Tipo 2 cuando as\u00ed lo exija la especificaci\u00f3n predominante .<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1976152132 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_553407059\">\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-1504462796\">\n\n\t<div id=\"col-653214463\" 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<h2>\u00bfPor qu\u00e9 elegir UNIASEN?<\/h2>\n<ul>\n<li>Soldadas y con adici\u00f3n de metal de aportaci\u00f3n. Se fabrican a partir de chapas de calidad para recipientes a presi\u00f3n con diferentes grados de an\u00e1lisis y resistencia. Nos aseguramos de que el tratamiento t\u00e9rmico se realiza seg\u00fan sea necesario para lograr las propiedades mec\u00e1nicas requeridas. Nuestros tubos se clasifican por el grado de acero y el tratamiento t\u00e9rmico utilizado en la fabricaci\u00f3n.<\/li>\n<li>UNIASEN ofrece tubos ASTM A691\/A691M en una amplia gama de tama\u00f1os. Nuestros tubos est\u00e1n disponibles en una variedad de di\u00e1metros, espesores de pared y longitudes, asegurando que podemos satisfacer sus necesidades espec\u00edficas.<\/li>\n<li>Los tubos ASTM A691\/A691M son electrofundidos. Son para uso a alta presi\u00f3n y alta temperatura. Los tubos ASTM A691\/A691M de UNIASEN vienen en varios tama\u00f1os para satisfacer sus necesidades.<\/li>\n<\/ul>\n<a href=\"#is-pop\" class=\"button primary\"  style=\"border-radius:10px;\">\n\t\t<span>Solicitar presupuesto<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1084022735\" 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\n  <div class=\"banner has-hover\" id=\"banner-268020019\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <img loading=\"lazy\" decoding=\"async\" width=\"2500\" height=\"1670\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate.webp\" class=\"bg\" alt=\"Puerta de f\u00e1brica UNIASEN\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate.webp 2500w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate-300x200.webp 300w, 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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_1250532662 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-996306963\" class=\"text\">\n\t\t\n\n<p><strong>Tubo soldado<\/strong><\/p>\n\t\t\n<style>\n#text-996306963 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-996306963 > * {\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-800486967\" 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_1709763459\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/es\/productos\/tubo-de-sierra\/\" 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 y proveedor de tubos de acero para sierra.\" 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_1709763459 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1844829497\" class=\"text\">\n\t\t\n\n<p><strong>Tuber\u00eda de acero SAW<\/strong><\/p>\n\t\t\n<style>\n#text-1844829497 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1844829497 > * {\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-1370835241\" 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_1210417026\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/es\/productos\/secciones-huecas\/\" 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=\"secci\u00f3n hueca de acero-secci\u00f3n estructural hueca-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_1210417026 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2869302354\" class=\"text\">\n\t\t\n\n<p><strong>Secci\u00f3n estructural hueca<\/strong><\/p>\n\t\t\n<style>\n#text-2869302354 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2869302354 > * {\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-705390358\" 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_331104559\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/es\/productos\/tubo-sin-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 acero sin costura-SMLS Pipe\" 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_331104559 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-554694011\" class=\"text\">\n\t\t\n\n<p><strong>Tuber\u00eda de acero sin costura<\/strong><\/p>\n\t\t\n<style>\n#text-554694011 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-554694011 > * {\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-684333272\">\n\n\n\t<div id=\"col-1268822285\" 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_711761204\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/es\/productos\/accesorios-de-tuberia\/\" 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=\"accesorios de tuber\u00eda de China-accesorios de tuber\u00eda de acero al 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_711761204 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1009528964\" class=\"text\">\n\t\t\n\n<p><strong>Accesorios para tuber\u00edas<\/strong><\/p>\n\t\t\n<style>\n#text-1009528964 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1009528964 > * {\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-1315568948\" 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_63567788\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/es\/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_63567788 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3508326482\" class=\"text\">\n\t\t\n\n<p><strong>Tuber\u00eda de rociadores contra incendios<\/strong><\/p>\n\t\t\n<style>\n#text-3508326482 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3508326482 > * {\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-2089792934\" 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_814007253\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/es\/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_814007253 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3486828283\" class=\"text\">\n\t\t\n\n<p><strong>Tuberia<\/strong><\/p>\n\n\t\t\n<style>\n#text-3486828283 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3486828283 > * {\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-292335959\" 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_1569359634\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/es\/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_1569359634 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3264239449\" class=\"text\">\n\t\t\n\n<p><strong>Tuber\u00eda de acero sin costura ASTM A106<\/strong><\/p>\n\t\t\n<style>\n#text-3264239449 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3264239449 > * {\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_1913685822 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":4715,"parent":2187,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-2823","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASTM A691 Carbon and Alloy Steel Pipe Specification<\/title>\n<meta name=\"description\" content=\"ASTM A691 standard specifies the requirements for carbon and alloy steel 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