{"id":11488,"date":"2025-12-20T12:13:28","date_gmt":"2025-12-20T04:13:28","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11488"},"modified":"2026-04-01T14:59:44","modified_gmt":"2026-04-01T06:59:44","slug":"selection-of-tool-steel-for-thread-rolling-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-thread-rolling-dies\/","title":{"rendered":"Selecci\u00f3n de aceros para herramientas para matrices de laminado de roscas (A2, D2, gu\u00eda M2)"},"content":{"rendered":"
\n

Selecci\u00f3n de acero para herramientas para matrices de laminado de roscas<\/h1>\n\n\n\n

El proceso de laminado de roscas forma los hilos mediante deformaci\u00f3n pl\u00e1stica, lo que somete a las matrices a una presi\u00f3n de contacto elevada y continua, as\u00ed como a cargas repetidas. Dado que el proceso no elimina material, la acumulaci\u00f3n de tensiones en la superficie de la matriz se convierte en el factor dominante.<\/p>\n\n\n\n

Durante su funcionamiento, las matrices est\u00e1n sometidas a esfuerzos de compresi\u00f3n, flexi\u00f3n y contacto deslizante. La fricci\u00f3n puede generar calor, especialmente en matrices cil\u00edndricas, aunque esto suele ser secundario. En condiciones de trabajo limpias, el desgaste abrasivo es limitado. En cambio, la falla se debe principalmente a la fatiga, que inicia microfisuras en la cresta de la rosca y progresa hasta el desprendimiento y la rotura localizada. Una vez que la geometr\u00eda de la cresta se degrada, la precisi\u00f3n dimensional se pierde r\u00e1pidamente.<\/p>\n\n\n\n

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

La selecci\u00f3n del material para las matrices de laminado de roscas se rige por la forma en que el acero responde a las cargas repetidas en las zonas de concentraci\u00f3n de tensiones, y no \u00fanicamente por la resistencia est\u00e1tica.<\/p>\n\n\n\n

Se requiere una alta resistencia a la compresi\u00f3n para evitar la deformaci\u00f3n pl\u00e1stica bajo presi\u00f3n radial. Sin embargo, la cresta de la rosca es muy sensible a la iniciaci\u00f3n de grietas. Sin la tenacidad suficiente, se produce un astillamiento o desprendimiento localizado al poco tiempo de uso.<\/p>\n\n\n\n

La resistencia a la fatiga determina la vida \u00fatil. Los materiales que resisten la iniciaci\u00f3n de grietas y ralentizan su propagaci\u00f3n mantienen la integridad del troquel durante ciclos de producci\u00f3n m\u00e1s prolongados.<\/p>\n\n\n\n

La disyuntiva reside en el equilibrio entre tenacidad y resistencia al desgaste. Para ciclos de producci\u00f3n cortos o inestables, una mayor tenacidad reduce el riesgo de fallos prematuros. Para una producci\u00f3n estable a largo plazo, un mayor contenido de aleaci\u00f3n y un mayor volumen de carburo mejoran la retenci\u00f3n dimensional, incluso a costa de una menor tenacidad.<\/p>\n\n\n\n

Aceros para herramientas recomendados<\/h2>\n\n\n\n

En aplicaciones industriales, se suelen utilizar los siguientes grados para matrices de laminado de roscas planas y circulares, dependiendo de las condiciones de producci\u00f3n y los requisitos de estabilidad.<\/p>\n\n\n\n

\n

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

El acero A2 ofrece una combinaci\u00f3n equilibrada de tenacidad y resistencia al desgaste, lo que lo hace adecuado tanto para matrices planas como cil\u00edndricas. Su mayor tenacidad ayuda a proteger la cresta de la rosca contra el astillamiento bajo cargas repetidas.<\/p>\n\n\n\n

Tambi\u00e9n ofrece una buena estabilidad dimensional durante el tratamiento t\u00e9rmico, lo cual es importante para matrices que requieren rectificado posterior al endurecimiento. En aplicaciones donde la alineaci\u00f3n, la lubricaci\u00f3n o las condiciones de carga no son totalmente estables, el acero A2 proporciona un margen de seguridad m\u00e1s amplio.<\/p>\n\n\n\n

Su limitaci\u00f3n radica en la resistencia al desgaste. En series de producci\u00f3n largas, un menor contenido de carburo conlleva una degradaci\u00f3n del perfil m\u00e1s r\u00e1pida que en aleaciones de mayor calidad.<\/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
\n

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

El acero D2 se elige cuando la estabilidad dimensional y la resistencia al desgaste son los requisitos principales. Su alto contenido de carbono y cromo produce un gran volumen de carburos duros, que mejoran significativamente la resistencia a la degradaci\u00f3n superficial.<\/p>\n\n\n\n

En la producci\u00f3n a largo plazo, D2 mantiene la precisi\u00f3n del perfil de la rosca y prolonga la vida \u00fatil de la matriz. Esto lo hace eficaz en procesos estables con carga constante.<\/p>\n\n\n\n

Sin embargo, su baja tenacidad lo hace m\u00e1s susceptible al astillamiento. En condiciones de desalineaci\u00f3n, vibraci\u00f3n o impacto, puede producirse una falla prematura de la cresta. Por lo tanto, el material D2 debe utilizarse en procesos con un control preciso de la estabilidad.<\/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
\n

Acero para herramientas AISI M2 | 1.3343 | SKH51<\/h3>\n\n\n\n

El M2 se utiliza cuando se requiere la m\u00e1xima vida \u00fatil del troquel en condiciones de producci\u00f3n exigentes. Combina una buena resistencia al desgaste con una alta dureza en caliente, lo que le permite mantener su resistencia incluso cuando la fricci\u00f3n genera temperaturas elevadas.<\/p>\n\n\n\n

En comparaci\u00f3n con los aceros para trabajo en fr\u00edo, el M2 resiste el ablandamiento y mantiene la estabilidad del filo durante ciclos prolongados. Generalmente se endurece a niveles m\u00e1s altos, lo que mejora la resistencia al desgaste, mientras que el revenido controlado mantiene una tenacidad \u00fatil.<\/p>\n\n\n\n

Esto hace que el M2 sea adecuado para series de producci\u00f3n largas en las que deben tenerse en cuenta tanto las cargas mec\u00e1nicas como los efectos t\u00e9rmicos.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material M2<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n

Tabla de resumen<\/h2>\n\n\n\n
Grado de acero para herramientas<\/td>Propiedades clave \/ Dureza<\/td>Una mayor tenacidad reduce el riesgo de astillamiento de la cresta en condiciones inestables.<\/td><\/tr>
A2<\/td>56\u201358 HRC, tenacidad y resistencia al desgaste equilibradas.<\/td>~64 HRC, alta resistencia al desgaste y dureza en caliente.<\/td><\/tr>
D2<\/td>56\u201358 HRC, muy alta resistencia al desgaste, baja tenacidad<\/td>Mantiene la precisi\u00f3n del perfil en una producci\u00f3n estable y de larga duraci\u00f3n.<\/td><\/tr>
M2<\/td>60\u201365 HRC, fuerte estabilidad de borde y resistencia t\u00e9rmica<\/td>Vida \u00fatil m\u00e1xima del troquel bajo carga mec\u00e1nica y t\u00e9rmica combinada<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Selection of Tool Steel for Thread Rolling Dies Thread rolling forms threads by plastic deformation, which subjects the dies to continuous high contact pressure and repeated loading. The process does not remove material, so stress accumulation at the die surface becomes the dominant factor. During operation, dies are exposed to compressive stress, bending, and sliding […]<\/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":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"disabled","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-11488","page","type-page","status-publish","hentry"],"yoast_head":"\nTool Steel Selection for Thread Rolling Dies (A2, D2, M2 Guide)<\/title>\n<meta name=\"description\" content=\"Learn how to select tool steel for thread rolling dies based on fatigue, toughness, and wear resistance. Compare A2, D2, and M2 for different production conditions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-thread-rolling-dies\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Selection of Tool Steel for Thread Rolling Dies(A2, D2, M2 Guide)\" \/>\n<meta property=\"og:description\" content=\"Learn how to select tool steel for thread rolling dies based on fatigue, toughness, and wear resistance. 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The process does not remove material, so stress accumulation at the die surface becomes the dominant factor. During operation, dies are exposed to compressive stress, bending, and sliding…","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Selection of Tool Steel for Thread Rolling Dies Thread rolling forms threads by plastic deformation, which subjects the dies to continuous high contact pressure and repeated loading. The process does not remove material, so stress accumulation at the die surface becomes the dominant factor. 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