{"id":6159,"date":"2020-06-17T06:28:30","date_gmt":"2020-06-17T06:28:30","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6159"},"modified":"2025-07-09T06:49:50","modified_gmt":"2025-07-09T06:49:50","slug":"cual-es-la-diferencia-entre-astm-a249-y-astm-a269","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/es\/blog\/cual-es-la-diferencia-entre-astm-a249-y-astm-a269\/","title":{"rendered":"\u00bfCu\u00e1l es la diferencia entre ASTM A249 y ASTM A269?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Diferencia: ASTM A249, ASTM A269 <\/h2>\n\n\n\n<p>Tanto ASTM A269 como ASTM A249 se pueden utilizar para soldar <a href=\"https:\/\/www.kaysuns.com\/es\/tubos-de-acero-inoxidable\/\" target=\"_blank\" rel=\"noreferrer noopener\">tubos de acero inoxidable<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"586\" height=\"430\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg\" alt=\"Tuber\u00edas ASTM A249\" class=\"wp-image-6160\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg 586w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes-300x220.jpg 300w\" sizes=\"(max-width: 586px) 100vw, 586px\" \/><figcaption class=\"wp-element-caption\">Tuber\u00edas ASTM A249<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Especificaci\u00f3n est\u00e1ndar ASTM A249 \/ A249M para soldar calderas de acero austen\u00edtico, sobrecalentadores, intercambiadores de calor y tuber\u00edas de condensadores.<\/p>\n\n\n\n<p>Especificaci\u00f3n est\u00e1ndar ASTM A269 \/ A269M para <a href=\"https:\/\/www.kaysuns.com\/es\/tubo-de-acero-inoxidable-sin-costura\/\" target=\"_blank\">tubos de acero inoxidable sin costura<\/a> y <a href=\"https:\/\/www.kaysuns.com\/es\/tubo-de-acero-inoxidable-soldado\/\" target=\"_blank\">tubos de acero inoxidable soldados<\/a> para servicio general.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Comparaci\u00f3n de ASTM A249 y ASTM A269<\/h3>\n\n\n\n<p>Las especificaciones ASTM A249 y ASTM A269 son dos est\u00e1ndares para tuber\u00edas de acero inoxidable austen\u00edtico. Tienen los mismos requisitos t\u00e9cnicos, pero existen algunas diferencias.<\/p>\n\n\n\n<table width=\"80%\" border=\"1\" align=\"center\" cellpadding=\"1\" cellspacing=\"1\" class=\"table table-hover\">\n    <tr>\n      <th bgcolor=\"#00a0e9\">Especificaci\u00f3n<\/th>\n      <th bgcolor=\"#00a0e9\"><strong>ASTM A249<\/strong><\/th>\n      <th bgcolor=\"#00a0e9\"><strong>ASTM 269<\/strong><\/th>\n    <\/tr>\n  <tbody>\n    <tr>\n      <td>Fabricaci\u00f3n de tubos<\/td>\n      <td>Soldada<\/td>\n      <td>Soldado y sin costura<\/td>\n    <\/tr>\n    <tr>\n      <td>Solicitud<\/td>\n      <td>Caldera<br \/>\n        Sobrecalentador<br \/>\n        Intercambiador de calor<br \/>\n        Condensador<\/td>\n      <td>Servicio general<\/td>\n    <\/tr>\n    <tr>\n      <td>Tama\u00f1os<\/td>\n      <td>OD: m\u00e1ximo 304,8 mm<br \/>\n        Espesor de pared: 0,4 - 8,1 mm<\/td>\n      <td>Di\u00e1metro interior: m\u00ednimo 3,4 mm<br \/>\n        Espesor de pared: 0,51 mm<\/td>\n    <\/tr>\n    <tr>\n      <td>ASTM \/ ASME<\/td>\n      <td>ASTM A249<br \/>\n        ASME SA249<\/td>\n      <td>ASTM A269 \/ A269M<\/td>\n    <\/tr>\n    <tr>\n      <td>Prueba<\/td>\n      <td>Prueba de brida<\/td>\n      <td>Prueba de brida<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">Rangos de aplicaci\u00f3n<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Las tuber\u00edas soldadas ASTM A249 se utilizan en calderas, sobrecalentadores, intercambiadores de calor, sistemas de condensadores y equipos a presi\u00f3n para transferir calor. Similar a ASTM A213 para la especificaci\u00f3n est\u00e1ndar de tuber\u00eda de acero sin costura.<\/li>\n\n\n\n<li>Las tuber\u00edas ASTM A269 generalmente se usan para prop\u00f3sitos generales, generalmente se usan en equipos e instrumentos, y tambi\u00e9n son adecuadas para ambientes de baja o alta temperatura. Por lo tanto, las tuber\u00edas ASTM A269 tambi\u00e9n se utilizan para equipos de transferencia de calor.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Materiales y grados<\/h3>\n\n\n\n<p>Las especificaciones ASTM A249 y ASTM A269 indican que el material del tubo es grados de acero inoxidable austen\u00edtico, que se utiliza ampliamente en las familias de acero inoxidable, TP304, TP304L, TP316, TP316L, TP347, TP347H, TP321, TP321H, el grado 904L es un material ideal para diversas aplicaciones, tienen algunas ventajas que otros aceros no tienen.<\/p>\n\n\n\n<p>Sin embargo, en algunos casos, el grado de acero inoxidable ferr\u00edtico y <a href=\"https:\/\/www.kaysuns.com\/es\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">Tuber\u00edas de acero inoxidable d\u00faplex<\/a> se producen para cumplir con el est\u00e1ndar A249 o A269, los tubos de acero ferr\u00edtico pueden reducir el costo y los tubos de acero d\u00faplex aumentan la resistencia y la longevidad.<\/p>\n\n\n\n<p><strong>Grados comunes de ASTM A249<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASTM A249 TP304<\/li>\n\n\n\n<li>ASTM A249 TP304L<\/li>\n\n\n\n<li>ASTM A249 TP316 \/ 316L<\/li>\n\n\n\n<li>ASME SA249 TP304<\/li>\n\n\n\n<li>ASME SA249 TP316L<\/li>\n<\/ul>\n\n\n\n<p><strong>Grados comunes de ASTM A269<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASTM A269 TP304<\/li>\n\n\n\n<li>ASTM A269 TP304L<\/li>\n\n\n\n<li>ASTM A269 TP316<\/li>\n\n\n\n<li>ASTM A269 TP316L<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Dimensiones de ASTM A249 y ASTM A269<\/h3>\n\n\n\n<p>El tama\u00f1o de la tuber\u00eda ASTM A249 y el grosor de la pared son: 1\/8 de pulgada (3,2 mm) de di\u00e1metro interior a 12 pulgadas (304,8 mm) de di\u00e1metro exterior, 0,015 pulgada a 0,32 pulgada (0,4 - 8,1 mm). El tama\u00f1o y el grosor de la tuber\u00eda de acuerdo con ASTM A269 son de 1\/4 de pulgada (6,4 mm) en el di\u00e1metro interior, que es m\u00e1s grande, y de 0,020 pulgadas (0,51 mm) con un grosor de pared nominal o m\u00e1s pesado.<\/p>\n\n\n\n<p>Las dimensiones de la tuber\u00eda se expresan en pulgadas o mil\u00edmetros y, a veces, se especifican las especificaciones (BWG).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tolerancias de ASTM A249 y ASTM A269<\/h3>\n\n\n\n<p>Las tolerancias dimensionales de las tuber\u00edas soldadas ASTM A249 y ASTM A269 cumplen con ASTM A1016, las diferencias se muestran en la siguiente tabla:<\/p>\n\n\n\n<table width=\"80%\" border=\"1\" class=\"table table-hover\" align=\"center\" cellpadding=\"1\" cellspacing=\"1\">\n    <tr>\n      <th bgcolor=\"#00a0e9\">Especificaci\u00f3n<\/th>\n      <th bgcolor=\"#00a0e9\">Di\u00e1metro exterior<\/th>\n      <th bgcolor=\"#00a0e9\">Di\u00e1metro exterior<\/th>\n      <th bgcolor=\"#00a0e9\">Espesor de pared<\/th>\n      <th bgcolor=\"#00a0e9\">Largo<\/th>\n    <\/tr>\n  <tbody>\n    <tr>\n      <td>A249<\/td>\n      <td>\uff1c 25,40 mm<\/td>\n      <td>\u00b1 0,10 mm<\/td>\n      <td>\u00b1 10,00%<\/td>\n      <td>DE \uff1c 50,8 mm (-0, + 3,0 mm)<br \/>\n        OD \u2265 50,8 mm (-0, + 5,0 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A249<\/td>\n      <td>\u226525,4 mm ~ 38,1 mm<\/td>\n      <td>\u00b1 0,15 mm<\/td>\n      <td>\u00b1 10,00%<\/td>\n      <td>DE \uff1c 50,8 mm (-0, + 3,0 mm)<br \/>\n        OD \u2265 50,8 mm (-0, + 5,0 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A249<\/td>\n      <td>\u226538,1 mm ~ 50,8 mm<\/td>\n      <td>\u00b1 0,20 mm<\/td>\n      <td>\u00b1 10,00%<\/td>\n      <td>DE \uff1c 50,8 mm (-0, + 3,0 mm)<br \/>\n        OD \u2265 50,8 mm (-0, + 5,0 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A249<\/td>\n      <td>\u2265 50,8 mm ~ 63,5 mm<\/td>\n      <td>\u00b1 0,25 mm<\/td>\n      <td>\u00b1 10,00%<\/td>\n      <td>DE \uff1c 50,8 mm (-0, + 3,0 mm)<br \/>\n        OD \u2265 50,8 mm (-0, + 5,0 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A249<\/td>\n      <td>\u226563,5 mm ~ 76,2 mm<\/td>\n      <td>\u00b1 0,30 mm<\/td>\n      <td>\u00b1 10,00%<\/td>\n      <td>DE \uff1c 50,8 mm (-0, + 3,0 mm)<br \/>\n        OD \u2265 50,8 mm (-0, + 5,0 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A249<\/td>\n      <td>\u226576,2 mm ~ 101,6 mm<\/td>\n      <td>\u00b1 0,38 mm<\/td>\n      <td>\u00b1 10,00%<\/td>\n      <td>DE \uff1c 50,8 mm (-0, + 3,0 mm)<br \/>\n        OD \u2265 50,8 mm (-0, + 5,0 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A249<\/td>\n      <td>\u2265101,6 mm ~ 190,5 mm<\/td>\n      <td>+ 0,38 mm -0,64 mm<\/td>\n      <td>\u00b1 10,00%<\/td>\n      <td>DE \uff1c 50,8 mm (-0, + 3,0 mm)<br \/>\n        OD \u2265 50,8 mm (-0, + 5,0 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A249<\/td>\n      <td>\u2265190,5 mm ~ 228,6 mm<\/td>\n      <td>+ 0,38 mm -1,14 mm<\/td>\n      <td>\u00b1 10,00%<\/td>\n      <td>DE \uff1c 50,8 mm (-0, + 3,0 mm)<br \/>\n        OD \u2265 50,8 mm (-0, + 5,0 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A269<\/td>\n      <td>\uff1c 38,1 mm<\/td>\n      <td>\u00b1 0,13 mm<\/td>\n      <td>DE \uff1c 12,7 mm \u00b1 15%<br \/>\n        OD \u2265 12,7 mm \u00b1 10%<\/td>\n      <td>DE \uff1c 38,1 mm (-0, + 3,20 mm)<br \/>\n        Di\u00e1metro exterior \u226538,1 mm (-0, + 4,80 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A269<\/td>\n      <td>\u226538,1 mm ~ 88,9 mm<\/td>\n      <td>\u00b1 0,25 mm<\/td>\n      <td>DE \uff1c 12,7 mm \u00b1 15%<br \/>\n        OD \u2265 12,7 mm \u00b1 10%<\/td>\n      <td>DE \uff1c 38,1 mm (-0, + 3,20 mm)<br \/>\n        Di\u00e1metro exterior \u226538,1 mm (-0, + 4,80 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A269<\/td>\n      <td>\u226588,9 mm ~ 139,7 mm<\/td>\n      <td>\u00b1 0,38 mm<\/td>\n      <td>DE \uff1c 12,7 mm \u00b1 15%<br \/>\n        OD \u2265 12,7 mm \u00b1 10%<\/td>\n      <td>DE \uff1c 38,1 mm (-0, + 3,20 mm)<br \/>\n        Di\u00e1metro exterior \u226538,1 mm (-0, + 4,80 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A269<\/td>\n      <td>\u2265139,7 mm ~ 203,7 mm<\/td>\n      <td>\u00b1 0,76 mm<\/td>\n      <td>DE \uff1c 12,7 mm \u00b1 15%<br \/>\n        OD \u2265 12,7 mm \u00b1 10%<\/td>\n      <td>DE \uff1c 38,1 mm (-0, + 3,20 mm)<br \/>\n        Di\u00e1metro exterior \u226538,1 mm (-0, + 4,80 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A269<\/td>\n      <td>\u2265203,7 mm ~ 304,8 mm<\/td>\n      <td>\u00b1 1.01 mm<\/td>\n      <td>DE \uff1c 12,7 mm \u00b1 15%<br \/>\n        OD \u2265 12,7 mm \u00b1 10%<\/td>\n      <td>DE \uff1c 38,1 mm (-0, + 3,20 mm)<br \/>\n        Di\u00e1metro exterior \u226538,1 mm (-0, + 4,80 mm)<\/td>\n    <\/tr>\n    <tr>\n      <td>A269<\/td>\n      <td>\u2265304,8 mm ~ 355,6 mm<\/td>\n      <td>\u00b1 1,26 mm<\/td>\n      <td>DE \uff1c 12,7 mm \u00b1 15%<br \/>\n        OD \u2265 12,7 mm \u00b1 10%<\/td>\n      <td>DE \uff1c 38,1 mm (-0, + 3,20 mm)<br \/>\n        Di\u00e1metro exterior \u226538,1 mm (-0, + 4,80 mm)<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">Proceso de fabricaci\u00f3n<\/h3>\n\n\n\n<p>ASTM A249 indica que las tuber\u00edas soldadas deben trabajarse en fr\u00edo o estirarse en fr\u00edo antes del tratamiento t\u00e9rmico final. Las tuber\u00edas ASTM A269 deben ser procesadas en fr\u00edo o en caliente, soldadas o sin costura.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pruebas y control de calidad<\/h3>\n\n\n\n<p><strong>Superficie<\/strong>: Especificaciones de ASTM A249 y ASTM A269, despu\u00e9s del tratamiento t\u00e9rmico, <a href=\"https:\/\/www.kaysuns.com\/es\/tubos-de-acero-inoxidable\/\" target=\"_blank\">tubos de acero inoxidable<\/a> debe ser decapado libre de incrustaciones, cuando se utiliza recocido brillante, el decapado no es necesario.<\/p>\n\n\n\n<p><strong>Tratamiento t\u00e9rmico<\/strong>: Todas las tuber\u00edas bajo las normas ASTM A249 y ASTM A269 deben estar en condiciones de tratamiento t\u00e9rmico a menos que en condiciones especiales, existan diferentes temperaturas de recocido para diferentes materiales.<\/p>\n\n\n\n<p><strong>Propiedades mec\u00e1nicas:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASTM A249: aplanamiento, reborde y doblado inverso, pruebas de tracci\u00f3n y dureza.<\/li>\n\n\n\n<li>ASTM A269: prueba de abocinamiento para tuber\u00eda sin costura, prueba de brida para tuber\u00eda soldada, prueba de aplanamiento inverso y prueba de dureza.<\/li>\n<\/ul>\n\n\n\n<p><strong><a href=\"https:\/\/www.kaysuns.com\/es\/blog\/como-comprobar-los-danos-sin-danar-los-tubos-de-acero-inoxidable\/\" target=\"_blank\">Prueba no destructiva<\/a><\/strong>: Cada tuber\u00eda debe ser conducida a la prueba no destructiva o la prueba hidrost\u00e1tica, en muchos casos, la prueba no destructiva se refiere a la prueba de corrientes par\u00e1sitas o prueba de aire bajo el agua.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Est\u00e1ndar de doble certificaci\u00f3n<\/h4>\n\n\n\n<p>Los usuarios deben distinguir entre las especificaciones ASTM A249 y ASTM A269, aunque son normas t\u00edpicas para requisitos t\u00e9cnicos de tubos de acero inoxidable, pero diferentes.<\/p>\n\n\n\n<p>En algunos casos, los usuarios requieren que los tubos de acero inoxidable se ajusten a la norma certificada dual A249\/A269, esto significa que los tubos deben cumplir tanto con la norma ASTM A249 como con la ASTM A269, y obtener el mejor valor o resultado especificado en las dos especificaciones, los tubos ser\u00e1n de alta calidad.<\/p>\n\n\n\n<p>ASME SA249 es el mismo est\u00e1ndar con la especificaci\u00f3n ASTM A249, ASME SA-249 est\u00e1 publicado por ASME, pero ASME no tiene un est\u00e1ndar equivalente con ASTM A269.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dimensi\u00f3n com\u00fan de las tuber\u00edas ASTM A249 \/ A269<\/h3>\n\n\n\n<table class=\"table table-hover\" width=\"80%\" cellspacing=\"1\" cellpadding=\"1\" border=\"1\" align=\"center\">\n  <thead>\n    <tr>\n      <th bgcolor=\"#00a0e9\">O.D.<\/th>\n      <th bgcolor=\"#00a0e9\">mm<\/th>\n      <th bgcolor=\"#00a0e9\">Espesor de pared<\/th>\n      <th bgcolor=\"#00a0e9\">mm<\/th>\n      <th bgcolor=\"#00a0e9\">Largo<\/th>\n      <th bgcolor=\"#00a0e9\">Los grados<\/th>\n      <th bgcolor=\"#00a0e9\">Escribe<\/th>\n      <th bgcolor=\"#00a0e9\">Especificaci\u00f3n<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>1\/2 \u201d<\/td>\n      <td>12.70<\/td>\n      <td>0,065 &quot;<\/td>\n      <td>1.65<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>3\/4 \u201d<\/td>\n      <td>19.05<\/td>\n      <td>0,065 &quot;<\/td>\n      <td>1.65<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>1 \u201d<\/td>\n      <td>25.4<\/td>\n      <td>0,049 &quot;<\/td>\n      <td>1.24<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>1 \u201d<\/td>\n      <td>25.4<\/td>\n      <td>0,065 &quot;<\/td>\n      <td>1.65<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>11\/2 \u201d<\/td>\n      <td>38.10<\/td>\n      <td>0,049 &quot;<\/td>\n      <td>1.24<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>11\/2 \u201d<\/td>\n      <td>38.10<\/td>\n      <td>0,065 &quot;<\/td>\n      <td>1.65<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>2 \u201d<\/td>\n      <td>50.80<\/td>\n      <td>0,049 &quot;<\/td>\n      <td>1.24<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>2 \u201d<\/td>\n      <td>50.80<\/td>\n      <td>0,065 &quot;<\/td>\n      <td>1.65<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>21\/2 \u201d<\/td>\n      <td>63.50<\/td>\n      <td>0,065 &quot;<\/td>\n      <td>1.65<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>3 &quot;<\/td>\n      <td>76.20<\/td>\n      <td>0,065 &quot;<\/td>\n      <td>1.65<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>4 \u201d<\/td>\n      <td>101.60<\/td>\n      <td>0,065 &quot;<\/td>\n      <td>1.65<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>4 \u201d<\/td>\n      <td>101.60<\/td>\n      <td>0,083 &quot;<\/td>\n      <td>2.11<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>6 \u201d<\/td>\n      <td>152.40<\/td>\n      <td>0,083 &quot;<\/td>\n      <td>2.11<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>6 \u201d<\/td>\n      <td>152.40<\/td>\n      <td>0.109 &quot;<\/td>\n      <td>2.77<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>8 \u201d<\/td>\n      <td>203.20<\/td>\n      <td>0.109 &quot;<\/td>\n      <td>2.77<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>10 \u201d<\/td>\n      <td>254.00<\/td>\n      <td>0,134 &quot;<\/td>\n      <td>3.40<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>12 \u201d<\/td>\n      <td>304.80<\/td>\n      <td>0,134 &quot;<\/td>\n      <td>3.40<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n    <tr>\n      <td>14 \u201d<\/td>\n      <td>355.60<\/td>\n      <td>0,134 &quot;<\/td>\n      <td>3.40<\/td>\n      <td>10 \u2032 - 20 \u2032<\/td>\n      <td>304 \/ 304L \/ 316L<\/td>\n      <td>Soldada<\/td>\n      <td>A249 \/ A269 \/ A270<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>","protected":false},"featured_media":0,"template":"","categories":[186],"tags":[],"class_list":["post-6159","blog","type-blog","status-publish","hentry","category-stainless-steel-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What&#039;s the Difference Between ASTM A249 and ASTM A269 | Duplex Pipe<\/title>\n<meta name=\"description\" content=\"The ASTM A249 and ASTM A269 specifications are two standards for austenitic stainless steel pipes. They have the same points but also differences.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/es\/blog\/cual-es-la-diferencia-entre-astm-a249-y-astm-a269\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What&#039;s the Difference Between ASTM A249 and ASTM A269 | Duplex Pipe\" \/>\n<meta property=\"og:description\" content=\"The ASTM A249 and ASTM A269 specifications are two standards for austenitic stainless steel pipes. They have the same points but also differences.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kaysuns.com\/es\/blog\/cual-es-la-diferencia-entre-astm-a249-y-astm-a269\/\" \/>\n<meta property=\"og:site_name\" content=\"Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-09T06:49:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"586\" \/>\n\t<meta property=\"og:image:height\" content=\"430\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/\",\"url\":\"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/\",\"name\":\"What's the Difference Between ASTM A249 and ASTM A269 | Duplex Pipe\",\"isPartOf\":{\"@id\":\"https:\/\/www.kaysuns.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg\",\"datePublished\":\"2020-06-17T06:28:30+00:00\",\"dateModified\":\"2025-07-09T06:49:50+00:00\",\"description\":\"The ASTM A249 and ASTM A269 specifications are two standards for austenitic stainless steel pipes. They have the same points but also differences.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#primaryimage\",\"url\":\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg\",\"contentUrl\":\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kaysuns.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What&#8217;s the Difference Between ASTM A249 and ASTM A269\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kaysuns.com\/#website\",\"url\":\"https:\/\/www.kaysuns.com\/\",\"name\":\"Stainless Steel Pipe and Fittings | KAYSUNS\",\"description\":\"Stainless Steel Pipe &amp; Fittings Manufacturer and Supplier in China\",\"publisher\":{\"@id\":\"https:\/\/www.kaysuns.com\/#organization\"},\"alternateName\":\"KAYSUNS\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kaysuns.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.kaysuns.com\/#organization\",\"name\":\"Kaysuns Industry Ltd.\",\"url\":\"https:\/\/www.kaysuns.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/www.kaysuns.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/12\/cropped-neve-industrial-logo-1.png\",\"contentUrl\":\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/12\/cropped-neve-industrial-logo-1.png\",\"width\":52,\"height\":59,\"caption\":\"Kaysuns Industry Ltd.\"},\"image\":{\"@id\":\"https:\/\/www.kaysuns.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u00bfCu\u00e1l es la diferencia entre ASTM A249 y ASTM A269? Tuber\u00eda d\u00faplex","description":"Las especificaciones ASTM A249 y ASTM A269 son dos est\u00e1ndares para tuber\u00edas de acero inoxidable austen\u00edtico. Tienen los mismos puntos pero tambi\u00e9n diferencias.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kaysuns.com\/es\/blog\/cual-es-la-diferencia-entre-astm-a249-y-astm-a269\/","og_locale":"es_ES","og_type":"article","og_title":"What's the Difference Between ASTM A249 and ASTM A269 | Duplex Pipe","og_description":"The ASTM A249 and ASTM A269 specifications are two standards for austenitic stainless steel pipes. They have the same points but also differences.","og_url":"https:\/\/www.kaysuns.com\/es\/blog\/cual-es-la-diferencia-entre-astm-a249-y-astm-a269\/","og_site_name":"Stainless Steel Pipe and Fittings | KAYSUNS","article_modified_time":"2025-07-09T06:49:50+00:00","og_image":[{"width":586,"height":430,"url":"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Tiempo de lectura":"6 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/","url":"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/","name":"\u00bfCu\u00e1l es la diferencia entre ASTM A249 y ASTM A269? Tuber\u00eda d\u00faplex","isPartOf":{"@id":"https:\/\/www.kaysuns.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#primaryimage"},"image":{"@id":"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#primaryimage"},"thumbnailUrl":"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg","datePublished":"2020-06-17T06:28:30+00:00","dateModified":"2025-07-09T06:49:50+00:00","description":"Las especificaciones ASTM A249 y ASTM A269 son dos est\u00e1ndares para tuber\u00edas de acero inoxidable austen\u00edtico. Tienen los mismos puntos pero tambi\u00e9n diferencias.","breadcrumb":{"@id":"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#primaryimage","url":"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg","contentUrl":"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/ASTM-A249-pipes.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/www.kaysuns.com\/blog\/whats-the-difference-between-astm-a249-and-astm-a269\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.kaysuns.com\/"},{"@type":"ListItem","position":2,"name":"What&#8217;s the Difference Between ASTM A249 and ASTM A269"}]},{"@type":"WebSite","@id":"https:\/\/www.kaysuns.com\/#website","url":"https:\/\/www.kaysuns.com\/","name":"Tubos y accesorios de acero inoxidable | KAYSUNS","description":"Fabricante y proveedor de tubos y accesorios de acero inoxidable en China","publisher":{"@id":"https:\/\/www.kaysuns.com\/#organization"},"alternateName":"KAYSUNS","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.kaysuns.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/www.kaysuns.com\/#organization","name":"Kaysuns Industry Ltd.","url":"https:\/\/www.kaysuns.com\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/www.kaysuns.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/12\/cropped-neve-industrial-logo-1.png","contentUrl":"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/12\/cropped-neve-industrial-logo-1.png","width":52,"height":59,"caption":"Kaysuns Industry Ltd."},"image":{"@id":"https:\/\/www.kaysuns.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.kaysuns.com\/es\/wp-json\/wp\/v2\/blog\/6159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kaysuns.com\/es\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.kaysuns.com\/es\/wp-json\/wp\/v2\/types\/blog"}],"version-history":[{"count":2,"href":"https:\/\/www.kaysuns.com\/es\/wp-json\/wp\/v2\/blog\/6159\/revisions"}],"predecessor-version":[{"id":51200,"href":"https:\/\/www.kaysuns.com\/es\/wp-json\/wp\/v2\/blog\/6159\/revisions\/51200"}],"wp:attachment":[{"href":"https:\/\/www.kaysuns.com\/es\/wp-json\/wp\/v2\/media?parent=6159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kaysuns.com\/es\/wp-json\/wp\/v2\/categories?post=6159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kaysuns.com\/es\/wp-json\/wp\/v2\/tags?post=6159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}