{"id":12383,"date":"2026-01-23T13:26:08","date_gmt":"2026-01-23T05:26:08","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12383"},"modified":"2026-04-02T10:51:27","modified_gmt":"2026-04-02T02:51:27","slug":"selection-of-tool-steel-for-low-pressure-die-casting-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-low-pressure-die-casting-dies\/","title":{"rendered":"LPDC Die Steel Selection: H13 vs H11 vs H10 | Tool Steel Supplier"},"content":{"rendered":"
\n

Selecci\u00f3n de acero para herramientas para matrices de fundici\u00f3n a presi\u00f3n a baja presi\u00f3n<\/h1>\n\n\n\n

La fundici\u00f3n a presi\u00f3n a baja presi\u00f3n (LPDC) es un proceso controlado de llenado por el fondo en el que el metal fundido es empujado hacia la cavidad de la matriz mediante presi\u00f3n de gas. El comportamiento de llenado estable reduce la turbulencia y la porosidad, pero no reduce la carga t\u00e9rmica y qu\u00edmica sobre la matriz.<\/p>\n\n\n\n

Las matrices de LPDC operan bajo calentamiento y enfriamiento c\u00edclicos. El contacto con aluminio o magnesio fundido eleva r\u00e1pidamente la temperatura superficial, seguido de enfriamiento durante la solidificaci\u00f3n y la eyecci\u00f3n de la pieza. Este ciclo repetido conduce a fatiga t\u00e9rmica (agrietamiento por calor). Al mismo tiempo, el flujo continuo de metal causa erosi\u00f3n superficial e interacci\u00f3n qu\u00edmica, como el soldado, especialmente en aleaciones de aluminio.<\/p>\n\n\n\n

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

La selecci\u00f3n se centra en la resistencia a la fatiga t\u00e9rmica, la propagaci\u00f3n de grietas, el ablandamiento y la transferencia de calor en condiciones c\u00edclicas.<\/p>\n\n\n\n

Resistencia a la fatiga t\u00e9rmica (agrietamiento por calor)
<\/strong>La fatiga t\u00e9rmica es el modo principal de falla en las matrices de LPDC. Es impulsada por cambios repetidos de temperatura y no solo por la temperatura m\u00e1xima. El acero debe resistir la iniciaci\u00f3n de grietas y ralentizar el crecimiento de grietas bajo tensi\u00f3n c\u00edclica. Esto requiere resistencia y tenacidad estables a la temperatura de operaci\u00f3n.<\/p>\n\n\n\n

Equilibrio entre tenacidad y resistencia al desgaste
<\/strong>Aumentar la dureza mejora la resistencia a la erosi\u00f3n y al flujo de metal, pero reduce la resistencia a la fractura. En las matrices de LPDC, la falla a menudo ocurre por agrietamiento en lugar de desgaste uniforme. Las matrices con esquinas afiladas, secciones delgadas o concentraci\u00f3n de tensiones requieren mayor tenacidad. Las geometr\u00edas m\u00e1s simples y las grandes superficies de contacto pueden priorizar la resistencia al desgaste.<\/p>\n\n\n\n

Dureza en caliente (resistencia al revenido)
<\/strong>La exposici\u00f3n t\u00e9rmica repetida puede reducir la dureza en el acero que carece de resistencia al revenido. La p\u00e9rdida de dureza conduce a deformaci\u00f3n pl\u00e1stica, inestabilidad dimensional y da\u00f1o superficial acelerado. El material debe mantener la dureza bajo calentamiento c\u00edclico.<\/p>\n\n\n\n

Conductividad t\u00e9rmica
<\/strong>La conductividad t\u00e9rmica afecta los gradientes de temperatura internos. Una mayor conductividad reduce la tensi\u00f3n t\u00e9rmica y ralentiza la formaci\u00f3n de grietas por agrietamiento por calor, especialmente en matrices refrigeradas por agua.<\/p>\n\n\n\n

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

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

El H13 es el material est\u00e1ndar para matrices de LPDC debido a su resistencia equilibrada al agrietamiento por calor, al ablandamiento y al agrietamiento. Mantiene la estabilidad mec\u00e1nica bajo ciclos t\u00e9rmicos repetidos y proporciona suficiente tenacidad para limitar la propagaci\u00f3n de grietas. Normalmente se utiliza una dureza de trabajo de 44\u201348 HRC para equilibrar la durabilidad y la resistencia al agrietamiento.<\/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
\n

Acero para herramientas AISI H11 | 1.2343 | SKD6<\/h3>\n\n\n\n

El H11 proporciona mayor tenacidad que el H13, lo que lo hace m\u00e1s adecuado para matrices propensas al agrietamiento. Se prefiere para matrices grandes, geometr\u00edas complejas o \u00e1reas con concentraci\u00f3n de tensiones. El menor contenido de vanadio mejora la resistencia a la fractura mientras mantiene un rendimiento adecuado frente a la fatiga t\u00e9rmica. La dureza de trabajo t\u00edpica es de 44\u201347 HRC.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material H11<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
\n

Acero para herramientas AISI H10 | 1.2365 | SKD7<\/h3>\n\n\n\n

El H10 se utiliza cuando la tensi\u00f3n t\u00e9rmica es el factor limitante. Su mayor conductividad t\u00e9rmica reduce los gradientes de temperatura internos y el riesgo de fatiga t\u00e9rmica. Es adecuado para matrices muy refrigeradas o condiciones de mayor carga t\u00e9rmica. En comparaci\u00f3n con el H13, sacrifica algo de resistencia al desgaste para mejorar la disipaci\u00f3n de calor.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material H10<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
\n

Acero para herramientas AISI P20 | 1.2311 | 3Cr2Mo<\/h3>\n\n\n\n

Para aleaciones de menor temperatura como el zinc, el P20 es una opci\u00f3n rentable. Se suministra preendurecido (~300 HB), lo que permite el mecanizado directo y su uso sin tratamiento t\u00e9rmico. Es adecuado para baja carga t\u00e9rmica y ciclos de producci\u00f3n limitados, pero no para LPDC de aluminio o magnesio con alta tensi\u00f3n t\u00e9rmica.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material P20<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n

Tabla resumen<\/h2>\n\n\n\n
Grado de acero para herramientas<\/td>Dureza t\u00edpica<\/td>Ventaja principal para LPDC<\/td><\/tr>
H13<\/td>44\u201348 HRC<\/td>Resistencia equilibrada al agrietamiento por calor, al ablandamiento y al agrietamiento<\/td><\/tr>
H11<\/td>44\u201347 HRC<\/td>Mayor tenacidad para matrices sensibles al agrietamiento<\/td><\/tr>
H10<\/td>38\u201346 HRC<\/td>Una mayor conductividad t\u00e9rmica reduce la tensi\u00f3n t\u00e9rmica<\/td><\/tr>
P20<\/td>~300 HB<\/td>Rentable para aplicaciones de baja carga t\u00e9rmica<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Selection of Tool Steel for Low-Pressure Die Casting Dies Low-pressure die casting (LPDC) is a controlled bottom-filling process in which molten metal is pushed into the die cavity by gas pressure. The stable filling behavior reduces turbulence and porosity, but does not reduce the thermal and chemical load on the die. LPDC dies operate under […]<\/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":"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-12383","page","type-page","status-publish","hentry"],"yoast_head":"\nLPDC Die Steel Selection: H13 vs H11 vs H10 | Tool Steel Supplier | AoboSteel<\/title>\n<meta name=\"description\" content=\"Choose the right tool steel for low pressure die casting dies. 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