{"id":11488,"date":"2025-12-20T12:13:28","date_gmt":"2025-12-20T04:13:28","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11488"},"modified":"2026-09-22T15:10:45","modified_gmt":"2026-09-22T07:10:45","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 acero para herramientas para terrajas de laminaci\u00f3n de roscas (Gu\u00eda A2, D2, M2)"},"content":{"rendered":"<section class=\"aobo-thread-rolling-die-selection-page\">\n  <style>\n    .aobo-thread-rolling-die-selection-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      font-family: inherit;\n      color: var(--aobo-text);\n      line-height: 1.7;\n      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de roscas<\/h1>\n      <p>El laminado de roscas forma las roscas por deformaci\u00f3n pl\u00e1stica, lo que somete a las matrices a una alta presi\u00f3n de contacto continua y a cargas repetidas. El proceso no elimina material, por lo que la acumulaci\u00f3n de tensiones en la superficie de la matriz se convierte en el factor dominante.<\/p>\n      <p>Durante el funcionamiento, las matrices est\u00e1n expuestas a tensi\u00f3n de compresi\u00f3n, flexi\u00f3n y contacto deslizante. La fricci\u00f3n puede generar calor, particularmente en matrices cil\u00edndricas, pero esto suele ser secundario. En condiciones de trabajo limpias, el desgaste abrasivo es limitado. En cambio, la falla es impulsada principalmente por la fatiga, que inicia microgrietas en la cresta de la rosca y progresa hacia desprendimiento y deterioro local. Una vez que la geometr\u00eda de la cresta se degrada, la precisi\u00f3n dimensional se pierde r\u00e1pidamente.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <h2>Factores de selecci\u00f3n<\/h2>\n      <p>La selecci\u00f3n de material para matrices de laminado de roscas se rige por c\u00f3mo responde el acero a las cargas repetidas en zonas de concentraci\u00f3n de tensiones, m\u00e1s que por la resistencia est\u00e1tica \u00fanicamente.<\/p>\n      <p>Se requiere alta resistencia a la compresi\u00f3n para prevenir la deformaci\u00f3n pl\u00e1stica bajo presi\u00f3n radial. Sin embargo, la cresta de la rosca es altamente sensible a la iniciaci\u00f3n de grietas. Sin suficiente tenacidad, se produce desportillado o desprendimiento localizado temprano en servicio.<\/p>\n      <p>La resistencia a la fatiga rige la vida \u00fatil. Los materiales que resisten la iniciaci\u00f3n de grietas y ralentizan la propagaci\u00f3n de grietas mantienen la integridad de la matriz durante ciclos de producci\u00f3n m\u00e1s largos.<\/p>\n      <p>El compromiso radica entre tenacidad y resistencia al desgaste. Para corridas cortas o inestables, una mayor tenacidad reduce el riesgo de falla prematura. Para producci\u00f3n estable a largo plazo, un mayor contenido de aleaci\u00f3n y volumen de carburos mejoran la retenci\u00f3n dimensional, incluso a costa de una menor tenacidad.<\/p>\n\n      <h2>Aceros para herramientas recomendados<\/h2>\n      <p>En aplicaciones industriales, los siguientes grados se usan com\u00fanmente para matrices de laminado de roscas planas y circulares, seg\u00fan las condiciones de producci\u00f3n y los requisitos de estabilidad.<\/p>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-a2-tool-steel-1-2363-skd12\">Acero para herramientas AISI A2 | 1.2363 | SKD12<\/h3>\n        <p>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 desportillado bajo cargas repetidas.<\/p>\n        <p>Tambi\u00e9n ofrece buena estabilidad dimensional durante el tratamiento t\u00e9rmico, lo cual es importante para matrices que requieren rectificado posterior al temple. En aplicaciones donde la alineaci\u00f3n, la lubricaci\u00f3n o las condiciones de carga no son completamente estables, A2 proporciona un margen de seguridad m\u00e1s amplio.<\/p>\n        <p>Su limitaci\u00f3n es la resistencia al desgaste. En corridas de producci\u00f3n largas, un menor contenido de carburos conduce a una degradaci\u00f3n del perfil m\u00e1s r\u00e1pida que en grados de mayor aleaci\u00f3n.<\/p>\n        <div class=\"aobo-cta-row\"><div class=\"popmake-16052 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta ahora<\/a><\/div><a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/es\/a2-tool-steel\/\">Ver detalles de suministro de material A2<\/a><\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-d2-tool-steel-1-2379-skd11\">Acero para herramientas AISI D2 | 1.2379 | SKD11<\/h3>\n        <p>D2 se selecciona 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        <p>En producci\u00f3n de corridas largas, D2 mantiene la precisi\u00f3n del perfil de rosca y extiende la vida de la matriz. Esto lo hace efectivo en procesos estables con carga constante.<\/p>\n        <p>Sin embargo, su baja tenacidad lo hace m\u00e1s susceptible al desportillado. En condiciones que involucran desalineaci\u00f3n, vibraci\u00f3n o impacto, la falla de la cresta puede ocurrir temprano. Por lo tanto, D2 debe aplicarse donde la estabilidad del proceso est\u00e9 bien controlada.<\/p>\n        <div class=\"aobo-cta-row\"><div class=\"popmake-16052 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta ahora<\/a><\/div><a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/es\/d2-tool-steel\/\">Ver detalles de suministro de material D2<\/a><\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-m2-tool-steel-1-3343-skh51\">Acero para herramientas AISI M2 | 1.3343 | SKH51<\/h3>\n        <p>M2 se usa cuando se requiere la m\u00e1xima vida de la matriz bajo condiciones de producci\u00f3n exigentes. Combina buena resistencia al desgaste con alta dureza en caliente, lo que le permite mantener la resistencia incluso cuando la fricci\u00f3n genera temperaturas elevadas.<\/p>\n        <p>En comparaci\u00f3n con los aceros de trabajo en fr\u00edo, M2 resiste el ablandamiento y mantiene la estabilidad del filo durante ciclos prolongados. T\u00edpicamente se templa a niveles m\u00e1s altos, lo que mejora la resistencia al desgaste, mientras que un revenido controlado mantiene una tenacidad utilizable.<\/p>\n        <p>Esto hace que M2 sea adecuado para corridas de producci\u00f3n largas donde deben considerarse tanto la carga mec\u00e1nica como los efectos t\u00e9rmicos.<\/p>\n        <div class=\"aobo-cta-row\"><div class=\"popmake-16052 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta ahora<\/a><\/div><a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/es\/m2-tool-steel\/\">Ver detalles de suministro de material M2<\/a><\/div>\n      <\/div>\n\n      <h2>Tabla resumen<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Grado de acero para herramientas<\/th><th>Propiedades clave \/ Dureza<\/th><th>Una mayor tenacidad reduce el riesgo de desportillado de la cresta en condiciones inestables<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>A2<\/td><td>56\u201358 HRC, tenacidad y resistencia al desgaste equilibradas<\/td><td>~64 HRC, alta resistencia al desgaste y dureza en caliente<\/td><\/tr>\n            <tr><td>D2<\/td><td>56\u201358 HRC, muy alta resistencia al desgaste, baja tenacidad<\/td><td>Mantiene la precisi\u00f3n del perfil en producci\u00f3n estable de corridas largas<\/td><\/tr>\n            <tr><td>M2<\/td><td>60\u201365 HRC, fuerte estabilidad del filo y resistencia t\u00e9rmica<\/td><td>M\u00e1xima vida de la matriz bajo carga mec\u00e1nica y t\u00e9rmica combinada<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/main>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>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 [&hellip;]<\/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":"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":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tool 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. 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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&hellip;","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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