{"id":7911,"date":"2026-06-08T02:26:44","date_gmt":"2026-06-08T02:26:44","guid":{"rendered":"https:\/\/www.shandongruiying.com\/?p=7911"},"modified":"2026-06-08T02:31:44","modified_gmt":"2026-06-08T02:31:44","slug":"introduction-to-common-wall-thickness-series-of-international-steel-pipes","status":"publish","type":"post","link":"https:\/\/www.shandongruiying.com\/es\/introduction-to-common-wall-thickness-series-of-international-steel-pipes\/","title":{"rendered":"Introducci\u00f3n a la serie de tubos de acero internacionales con espesores de pared est\u00e1ndar"},"content":{"rendered":"<p class=\"wp-block-paragraph\">El espesor de la pared de los tubos de acero es un par\u00e1metro fundamental que determina la resistencia a la presi\u00f3n, la resistencia mec\u00e1nica y los \u00e1mbitos de aplicaci\u00f3n. A nivel mundial, las series normalizadas de espesores de pared garantizan la intercambiabilidad y la uniformidad entre los distintos fabricantes. Este art\u00edculo presenta los sistemas internacionales de espesores de pared m\u00e1s utilizados, centr\u00e1ndose en sus definiciones, clasificaciones, caracter\u00edsticas y aplicaciones t\u00edpicas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Sistema de clasificaci\u00f3n \u00abSchedule\u00bb (Sch): la norma internacional (ASME\/ANSI)<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El sistema \u00abSchedule\u00bb (Sch), definido por las normas ASME B36.10M (acero al carbono y aleado) y ASME B36.19M (acero inoxidable), es la norma internacional m\u00e1s extendida para el espesor de las paredes. Utiliza \u00abn\u00fameros de schedule\u00bb adimensionales para indicar el espesor de pared: los n\u00fameros m\u00e1s altos indican paredes m\u00e1s gruesas y presiones nominales m\u00e1s elevadas.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.1 Definici\u00f3n b\u00e1sica<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">El n\u00famero de clasificaci\u00f3n se calcula a partir de la f\u00f3rmula aproximada: Sch. \u2248 1000 \u00d7 P \/ S (P = presi\u00f3n de trabajo; S = tensi\u00f3n admisible). En la pr\u00e1ctica, se normaliza mediante datos emp\u00edricos, no mediante c\u00e1lculos estrictos.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.2 Series y aplicaciones de calendarios comunes<\/strong><strong><\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Calendario<\/strong><strong><\/strong><\/td><td><strong>Alias<\/strong><strong><\/strong><\/td><td><strong>Caracter\u00edsticas<\/strong><strong><\/strong><\/td><td><strong>Aplicaciones t\u00edpicas<\/strong><strong><\/strong><\/td><\/tr><tr><td>Sch 5S\/5<\/td><td>De pared delgada<\/td><td>Ultradelgado y ligero<\/td><td>Sistemas de baja presi\u00f3n no cr\u00edticos (ventilaci\u00f3n, fluidos de bajo caudal)<\/td><\/tr><tr><td>Sch 10S\/10<\/td><td>Pared clara<\/td><td>Delgado y econ\u00f3mico<\/td><td>Instalaciones de baja presi\u00f3n, climatizaci\u00f3n, conductos de acero inoxidable<\/td><\/tr><tr><td>Sch 20<\/td><td>Medio-claro<\/td><td>Espesor moderado<\/td><td>Tuber\u00edas de baja presi\u00f3n para uso general<\/td><\/tr><tr><td>Sch 40<\/td><td>STD (Est\u00e1ndar)<\/td><td>La norma m\u00e1s habitual<\/td><td>Transporte de fluidos a presi\u00f3n media (agua, gas, petr\u00f3leo); aplicaciones estructurales<\/td><\/tr><tr><td>Sch 60<\/td><td>&#8211;<\/td><td>Espesado<\/td><td>Tuber\u00edas para procesos industriales de presi\u00f3n media-alta<\/td><\/tr><tr><td>Sch 80<\/td><td>XS (Extra fuerte)<\/td><td>Grueso, de alta resistencia<\/td><td>Sistemas de alta presi\u00f3n (vapor, conductos hidr\u00e1ulicos), entornos corrosivos<\/td><\/tr><tr><td>Sch 160<\/td><td>&#8211;<\/td><td>Extra grueso<\/td><td>Aplicaciones de presi\u00f3n ultraalta (transporte de petr\u00f3leo y gas, centrales el\u00e9ctricas)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.3 Notas importantes<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sufijo \u00abS\u00bb (Sch 5S\/10S\/40S\/80S)<\/strong>: Reservado para tubos de acero inoxidable (ASME B36.19M), con paredes m\u00e1s finas que las de los equivalentes de acero al carbono.<\/li>\n\n\n\n<li><strong>Di\u00e1metro exterior (OD) fijo<\/strong>: Para un tama\u00f1o nominal de tuber\u00eda (NPS) determinado, el di\u00e1metro exterior (OD) es constante; solo el di\u00e1metro interior (ID) disminuye a medida que aumenta el espesor de la pared.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. STD\/XS\/XXS: Clasificaci\u00f3n tradicional basada en el peso<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de la implantaci\u00f3n del sistema Sch, en EE. UU. se utilizaban etiquetas basadas en el peso (a las que todav\u00eda se hace referencia con frecuencia en la actualidad):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>STD (peso est\u00e1ndar)<\/strong>: Equivale a Sch 40 para NPS \u2264 10; se fija en 9,53 mm para NPS \u2265 12.<\/li>\n\n\n\n<li><strong>XS (Extra fuerte)<\/strong>: Equivale a Sch 80 para NPS \u2264 8; fijado en 12,70 mm para NPS \u2265 12.<\/li>\n\n\n\n<li><strong>XXS (doble extra fuerte)<\/strong>: Mucho m\u00e1s espeso que el XS; no tiene equivalente directo en la gama Sch; se utiliza para presiones extremas.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Otros sistemas internacionales de espesor de paredes<\/strong><strong><\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3,1 GB (Norma Nacional China)<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Marcado milim\u00e9trico directo<\/strong>: El espesor de la pared se indica expl\u00edcitamente en mm (p. ej., 3,2 mm, 6,0 mm).<\/li>\n\n\n\n<li><strong>Est\u00e1ndares b\u00e1sicos<\/strong>: GB\/T 8163 (transporte de fluidos), GB\/T 17395 (dimensiones).<\/li>\n\n\n\n<li><strong>Compatibilidad<\/strong>: Se ajusta a la serie ASME Sch para facilitar la consulta cruzada.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3,2 DIN (Norma Industrial Alemana)<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utiliza el DN (di\u00e1metro nominal) + el espesor directo de la pared (mm).<\/li>\n\n\n\n<li>Series habituales: DIN 2448 (sin costura), DIN 2458 (soldadas); muy utilizadas en Europa.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3.3 JIS (Norma Industrial Japonesa)<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Adopta la serie Sch (similar a la ASME) y el marcado directo en mil\u00edmetros.<\/li>\n\n\n\n<li>Norma de referencia: JIS G3454 (tubos de acero al carbono para servicio a presi\u00f3n).<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3.4 Sistema ISO<\/strong><strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Armoniza las normas internacionales, combinando los n\u00fameros Sch y el espesor m\u00e9trico de la pared.<\/li>\n\n\n\n<li>Garantiza la compatibilidad transfronteriza para proyectos internacionales.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Comparaci\u00f3n de series de espesores de pared habituales (NPS 4\u2033\/DN100, di\u00e1metro exterior = 114,3 mm)<\/strong><strong><\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Est\u00e1ndar<\/strong><strong><\/strong><\/td><td><strong>Serie<\/strong><strong><\/strong><\/td><td><strong>Espesor de la pared (mm)<\/strong><strong><\/strong><\/td><td><strong>Presi\u00f3n nominal (bar, aprox.)<\/strong><strong><\/strong><\/td><\/tr><tr><td>ASME B36.10M<\/td><td>Sch 40 (STD)<\/td><td>6.02<\/td><td>100<\/td><\/tr><tr><td>ASME B36.10M<\/td><td>Sch 80 (XS)<\/td><td>8.56<\/td><td>160<\/td><\/tr><tr><td>GB\/T 8163<\/td><td>6,0 mm<\/td><td>6.0<\/td><td>98<\/td><\/tr><tr><td>DIN 2448<\/td><td>6,3 mm<\/td><td>6.3<\/td><td>105<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Principios de selecci\u00f3n de las series de espesores de pared<\/strong><strong><\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Presi\u00f3n y temperatura<\/strong>: Una mayor presi\u00f3n o temperatura requiere paredes m\u00e1s gruesas (por ejemplo, Sch 80 para vapor a alta presi\u00f3n).<\/li>\n\n\n\n<li><strong>Material<\/strong>: El acero inoxidable utiliza la serie Sch con el sufijo \u00abS\u00bb (paredes m\u00e1s finas que las del acero al carbono).<\/li>\n\n\n\n<li><strong>Coste y eficiencia<\/strong>: El Sch 40 (STD) ofrece un equilibrio entre rendimiento y coste para la mayor\u00eda de las aplicaciones.<\/li>\n\n\n\n<li><strong>Cumplimiento de las normas<\/strong>: Cumplir con las especificaciones del proyecto (ASME para EE. UU., GB para China, DIN para Europa).<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Conclusi\u00f3n<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El sistema Schedule (Sch) (ASME B36.10M\/B36.19M) es la norma internacional universal para el espesor de pared de los tubos de acero, con STD\/XS\/XXS como suplementos hist\u00f3ricos. Las normas regionales (GB, DIN, JIS) se ajustan al sistema Sch para garantizar la compatibilidad a nivel mundial. La selecci\u00f3n adecuada del espesor de pared garantiza la seguridad, la eficiencia y la rentabilidad en aplicaciones de transporte de fluidos, estructurales e industriales.<\/p>","protected":false},"excerpt":{"rendered":"<p>El espesor de la pared de los tubos de acero es un par\u00e1metro fundamental que determina la resistencia a la presi\u00f3n, la resistencia mec\u00e1nica y los \u00e1mbitos de aplicaci\u00f3n. A nivel mundial, las series normalizadas de espesores de pared garantizan la intercambiabilidad y la uniformidad entre los distintos fabricantes. Este art\u00edculo presenta los sistemas internacionales de espesor de pared m\u00e1s utilizados, centr\u00e1ndose en sus definiciones, clasificaciones, caracter\u00edsticas y aplicaciones t\u00edpicas. 1. Sistema \u00abSchedule\u00bb (Sch): La norma mundial [\u2026]<\/p>","protected":false},"author":1,"featured_media":7912,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Common Wall Thickness Series of International Steel Pipes","_seopress_titles_desc":"Learn about mainstream international steel pipe wall thickness series including Schedule, STD, XS and metric standards. 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