{"id":11813,"date":"2025-12-31T10:29:11","date_gmt":"2025-12-31T02:29:11","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11813"},"modified":"2026-11-09T08:05:07","modified_gmt":"2026-11-09T00:05:07","slug":"selection-of-tool-steel-for-tube-pipe-mill-rolls","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-tube-pipe-mill-rolls\/","title":{"rendered":"Selecci\u00f3n de aceros para herramientas para rodillos de laminaci\u00f3n de tubos y tuber\u00edas | D2, A2, H13"},"content":{"rendered":"

Selecci\u00f3n de acero para herramientas para rodillos de laminaci\u00f3n de tubos y tuber\u00edas<\/h1>\n\n\n\n

Los rodillos de laminaci\u00f3n se utilizan para perforar, reducir, conformar<\/a>, y calibrar tubos sin costura o soldados bajo cargas mec\u00e1nicas combinadas y, en la laminaci\u00f3n en caliente, ciclos t\u00e9rmicos severos. La selecci\u00f3n m\u00e1s amplia de grados que cubre todos los tipos de rodillos de laminaci\u00f3n se encuentra en la gu\u00eda de selecci\u00f3n de rodillos para trenes de laminaci\u00f3n y trenes de tubos<\/a>.<\/p>\n\n\n\n

En la laminaci\u00f3n en caliente, las temperaturas superficiales pueden alcanzar los 650\u2013700 \u00b0C, generando gradientes t\u00e9rmicos pronunciados que provocan grietas t\u00e9rmicas y agrietamiento superficial. Al mismo tiempo, los rodillos est\u00e1n sometidos a altas tensiones de contacto hertzianas, cizallamiento c\u00edclico subsuperficial y fricci\u00f3n continua. Como resultado, los modos de falla dominantes son la fatiga superficial, el desprendimiento y el desgaste abrasivo.<\/p>\n\n\n\n

Factores clave de selecci\u00f3n<\/h2>\n\n\n\n

La selecci\u00f3n del acero para herramientas debe basarse en el mecanismo de falla dominante en la posici\u00f3n del rodillo.<\/p>\n\n\n\n

\n\n

Resistencia al desgaste frente a tenacidad<\/h3>\n\n\n


Se requiere alta dureza para resistir el desgaste abrasivo y la deformaci\u00f3n pl\u00e1stica bajo presi\u00f3n de contacto. Sin embargo, aumentar la dureza y el contenido de carburos reduce la tenacidad, incrementando as\u00ed el riesgo de desprendimiento y fractura fr\u00e1gil bajo carga c\u00edclica. En muchas aplicaciones de laminaci\u00f3n, la falla del rodillo se debe m\u00e1s frecuentemente a una tenacidad insuficiente que al desgaste.<\/p>\n\n<\/div>\n\n\n\n

\n\n

Fatiga t\u00e9rmica y dureza en caliente<\/h3>\n\n\n


En la laminaci\u00f3n en caliente, el calentamiento y enfriamiento repetidos causan fatiga t\u00e9rmica, lo que provoca grietas t\u00e9rmicas y propagaci\u00f3n de fisuras. El material debe resistir la iniciaci\u00f3n de fisuras mientras mantiene suficiente dureza en caliente para prevenir el ablandamiento y la deformaci\u00f3n superficial. Si la dureza en caliente es insuficiente, la superficie del rodillo se deforma; si la resistencia a la fatiga t\u00e9rmica es inadecuada, se producen agrietamiento y falla prematura.<\/p>\n\n<\/div>\n\n\n\n

Grados de acero para herramientas recomendados<\/h2>\n\n\n\n
\n\n

Acero para herramientas AISI D2 | 1.2379 | SKD11<\/h3>\n\n\n

D2 es adecuado para laminaci\u00f3n en fr\u00edo y trefilado de tubos<\/a>, donde el desgaste abrasivo es la preocupaci\u00f3n principal y los efectos t\u00e9rmicos son m\u00ednimos. Su alto contenido de carburos de cromo proporciona una fuerte resistencia al desgaste superficial y a la p\u00e9rdida dimensional. Bajo carga estable, ofrece una vida \u00fatil significativamente mayor que los aceros de baja aleaci\u00f3n. Sin embargo, debido a su tenacidad limitada, no es adecuado para aplicaciones con carga de impacto, desalineaci\u00f3n o condiciones de operaci\u00f3n inestables.<\/p>\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n
Ver detalles de suministro de material D2<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n
\n\n

Acero para herramientas AISI A2 | 1.2363 | SKD12<\/h3>\n\n\n

El A2 se utiliza cuando el riesgo de desprendimiento o agrietamiento supera el del desgaste abrasivo puro. Proporciona mejor tenacidad y resistencia a la propagaci\u00f3n de fisuras que el D2, manteniendo una dureza adecuada para rodillos de trabajo en fr\u00edo. Se aplica com\u00fanmente en funciones de respaldo o posiciones con cargas fluctuantes. La contrapartida es una menor resistencia al desgaste en comparaci\u00f3n con el D2.<\/p>\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n
Ver detalles de suministro de material A2<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n
\n\n

Proveedor de acero para herramientas H13 | 1.2344 | SKD61<\/h3>\n\n\n

El H13 es la opci\u00f3n preferida para aplicaciones de laminaci\u00f3n en caliente y perforaci\u00f3n donde la fatiga t\u00e9rmica es dominante. Resiste las grietas t\u00e9rmicas y mantiene la estabilidad estructural bajo ciclos t\u00e9rmicos repetidos. Normalmente se utiliza a niveles de dureza m\u00e1s bajos para preservar la tenacidad, asegurando la resistencia al agrietamiento bajo cargas t\u00e9rmicas y mec\u00e1nicas combinadas.<\/p>\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n
Ver detalles de suministro de material H13<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n

Resumen de las propiedades del acero para herramientas<\/h2>\n\n\n\n
Grado<\/th>Dureza (HRC)<\/th>Ventaja principal<\/th>Aplicaci\u00f3n t\u00edpica<\/th><\/tr><\/thead>
AISI D2<\/td>58\u201362<\/td>Alta resistencia a la abrasi\u00f3n<\/td>Laminaci\u00f3n en fr\u00edo, rodillos de trefilado de tubos<\/td><\/tr>
AISI A2<\/td>58\u201362<\/td>Mayor tenacidad y resistencia a las grietas<\/td>Rodillos de respaldo, zonas de carga inestable<\/td><\/tr>
AISI H13<\/td>42\u201350<\/td>Resistencia a la fatiga t\u00e9rmica (grietas t\u00e9rmicas)<\/td>Perforaci\u00f3n en caliente, rodillos de laminaci\u00f3n en caliente<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"

Selection of Tool Steel for Tube & Pipe Mill Rolls Mill rolls are used to pierce, reduce, shape, and size seamless or welded tubes under combined mechanical loading and, in hot rolling, severe thermal cycling. The wider grade selection covering all mill roll types is in the rolling mill and tube mill roll selection guide. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-11813","page","type-page","status-publish","hentry"],"yoast_head":"\nSelection of Tool Steel for Tube & Pipe Mill Rolls | D2, A2, H13 | AoboSteel<\/title>\n<meta name=\"description\" content=\"Select the right tool steel for tube and pipe mill rolls based on wear, toughness, and thermal fatigue. 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