{"id":11813,"date":"2025-12-31T10:29:11","date_gmt":"2025-12-31T02:29:11","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11813"},"modified":"2026-04-01T15:38:51","modified_gmt":"2026-04-01T07:38:51","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":"
\n

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, dar forma y dimensionar tubos sin costura o soldados bajo cargas mec\u00e1nicas combinadas y, en el laminado en caliente, bajo ciclos t\u00e9rmicos severos.<\/p>\n\n\n\n

En el laminado en caliente, las temperaturas superficiales pueden alcanzar los 650\u2013700 \u00b0C, generando fuertes gradientes t\u00e9rmicos que provocan fisuras por calor y agrietamiento superficial. Al mismo tiempo, los rodillos est\u00e1n sometidos a elevadas tensiones de contacto de Hertz, cizallamiento subsuperficial c\u00edclico y fricci\u00f3n continua. Como resultado, los modos de fallo predominantes son la fatiga superficial, el desprendimiento de material 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 de laminaci\u00f3n.<\/p>\n\n\n\n

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


Se requiere una alta dureza para resistir el desgaste abrasivo y la deformaci\u00f3n pl\u00e1stica bajo presi\u00f3n de contacto. Sin embargo, el aumento de la dureza y del contenido de carburo reduce la tenacidad, incrementando as\u00ed el riesgo de descamaci\u00f3n y fractura fr\u00e1gil bajo carga c\u00edclica. En muchas aplicaciones de laminaci\u00f3n, la falla de los rodillos se debe con mayor frecuencia a una tenacidad insuficiente que al desgaste.<\/p>\n\n\n\n

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


En el laminado en caliente, los ciclos repetidos de calentamiento y enfriamiento provocan fatiga t\u00e9rmica, lo que conlleva fisuras y propagaci\u00f3n de grietas. El material debe resistir la iniciaci\u00f3n de grietas manteniendo una dureza en caliente suficiente para evitar el ablandamiento y la deformaci\u00f3n de la superficie. 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 fisuras y fallos prematuros.<\/p>\n\n\n\n

Grados de acero para herramientas recomendados<\/h2>\n\n\n\n
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Acero para herramientas AISI D2 | 1.2379 | SKD11<\/h3>\n\n\n\n

El acero D2 es id\u00f3neo para el laminado en fr\u00edo y el trefilado de tubos, donde el desgaste abrasivo es la principal preocupaci\u00f3n y los efectos t\u00e9rmicos son m\u00ednimos. Su alto contenido de carburo de cromo proporciona una gran resistencia al desgaste superficial y a la p\u00e9rdida dimensional. Bajo carga estable, ofrece una vida \u00fatil significativamente mayor que los aceros de menor aleaci\u00f3n. Sin embargo, debido a su limitada tenacidad, no es adecuado para aplicaciones con cargas de impacto, desalineaci\u00f3n o condiciones de funcionamiento inestables.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material D2<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Acero para herramientas AISI A2 | 1.2363 | SKD12<\/h3>\n\n\n\n

El acero A2 se utiliza cuando el riesgo de descamaci\u00f3n o agrietamiento supera el del desgaste abrasivo puro. Ofrece mayor tenacidad y resistencia a la propagaci\u00f3n de grietas que el acero D2, manteniendo una dureza adecuada para rodillos de trabajo en fr\u00edo. Se suele emplear en rodillos de apoyo o en posiciones con cargas fluctuantes. La desventaja es una menor resistencia al desgaste en comparaci\u00f3n con el acero D2.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material A2<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Proveedor de acero para herramientas H13 | 1.2344 | SKD61<\/h3>\n\n\n\n

El acero H13 es la opci\u00f3n preferida para aplicaciones de laminaci\u00f3n en caliente y perforaci\u00f3n donde predomina la fatiga t\u00e9rmica. Resiste el agrietamiento por calor y mantiene la estabilidad estructural bajo ciclos t\u00e9rmicos repetidos. Generalmente se utiliza con niveles de dureza m\u00e1s bajos para preservar la tenacidad, lo que garantiza la resistencia al agrietamiento bajo cargas t\u00e9rmicas y mec\u00e1nicas combinadas.<\/p>\n\n\n\n

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

Resumen de las propiedades del acero para herramientas<\/h2>\n\n\n\n
Grado<\/td>Dureza (HRC)<\/td>Ventaja primaria<\/td>Aplicaci\u00f3n t\u00edpica<\/td><\/tr>
AISI D2<\/td>58\u201362<\/td>Alta resistencia a la abrasi\u00f3n<\/td>Laminado en fr\u00edo, rodillos de estirado de tubos<\/td><\/tr>
AISI A2<\/td>58\u201362<\/td>Mayor tenacidad y resistencia a las grietas<\/td>Rollos de respaldo, zonas de carga inestables<\/td><\/tr>
AISI H13<\/td>42\u201350<\/td>Resistencia a la fatiga t\u00e9rmica (fisuraci\u00f3n por calor)<\/td>Perforaci\u00f3n caliente, rollos calientes<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>","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. In hot rolling, surface temperatures can reach 650\u2013700 \u00b0C, generating steep thermal gradients that lead to heat checking and surface […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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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