{"id":15368,"date":"2026-05-15T08:19:24","date_gmt":"2026-05-15T00:19:24","guid":{"rendered":"https:\/\/aobosteel.com\/?p=15368"},"modified":"2026-05-15T08:19:25","modified_gmt":"2026-05-15T00:19:25","slug":"d2-tool-steel-weld-repair","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/es\/blog\/d2-tool-steel-weld-repair\/","title":{"rendered":"\u00bfSe puede reparar mediante soldadura el acero para herramientas D2? Riesgos y gu\u00eda de reparaci\u00f3n"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center\" id=\"h-can-d2-tool-steel-be-weld-repaired\">\u00bfSe puede reparar mediante soldadura el acero para herramientas D2?<\/h1>\n\n\n\n<p><a href=\"https:\/\/aobosteel.com\/es\/d2-tool-steel\/\">Acero para herramientas D2<\/a> Se puede reparar mediante soldadura, pero es dif\u00edcil y propenso a agrietarse. Su composici\u00f3n qu\u00edmica dificulta la soldadura del D2. Durante la soldadura, la zona afectada por el calor puede endurecerse, volverse quebradiza y sufrir grandes tensiones si el control de la temperatura es deficiente.<\/p>\n\n\n\n<p>El problema principal no radica en si el metal de soldadura se puede depositar sobre D2, sino en si la zona reparada puede soportar la soldadura sin agrietarse, ablandarse, deformarse o perder resistencia al desgaste.<\/p>\n\n\n\n<p>Para da\u00f1os localizados menores, desgaste de bordes o astillamientos leves en herramientas de alto valor, la reparaci\u00f3n mediante soldadura puede ser pr\u00e1ctica. Para grietas profundas, roturas graves, fallas repetidas o insertos de bajo costo, el reemplazo suele ser m\u00e1s seguro y econ\u00f3mico.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-when-d2-weld-repair-is-reasonable\">Cu\u00e1ndo es razonable la reparaci\u00f3n mediante soldadura D2<\/h2>\n\n\n\n<p>La reparaci\u00f3n mediante soldadura D2 es m\u00e1s conveniente cuando el da\u00f1o es localizado y la herramienta es lo suficientemente costosa como para justificar una reparaci\u00f3n controlada. Por ejemplo, un peque\u00f1o desconchado en el borde de una matriz de troquelado grande puede merecer la pena repararlo. El desgaste localizado en un punz\u00f3n o inserto de desgaste de alto valor tambi\u00e9n puede justificar la reparaci\u00f3n mediante soldadura si la superficie de trabajo se puede rectificar para recuperar su tama\u00f1o original.<\/p>\n\n\n\n<p>La reparaci\u00f3n mediante soldadura resulta menos atractiva cuando la grieta penetra profundamente en el cuerpo de la herramienta, cuando la pieza ya ha fallado repetidamente o cuando la herramienta es lo suficientemente sencilla como para fabricarla r\u00e1pidamente. En esos casos, la soldadura solo podr\u00eda retrasar la siguiente falla.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Estado de da\u00f1os<\/td><td>Mejor decisi\u00f3n<\/td><\/tr><tr><td>Desgaste local en los bordes<\/td><td>La reparaci\u00f3n mediante soldadura puede ser pr\u00e1ctica<\/td><\/tr><tr><td>Peque\u00f1a esquina desconchada<\/td><td>La reparaci\u00f3n mediante soldadura puede ser pr\u00e1ctica<\/td><\/tr><tr><td>Da\u00f1os superficiales limitados en un dado de alto valor<\/td><td>La reparaci\u00f3n mediante soldadura puede ahorrar costes y tiempo de entrega.<\/td><\/tr><tr><td>Grieta cerca del borde de trabajo<\/td><td>Reparar solo si se puede eliminar la grieta por completo.<\/td><\/tr><tr><td>Grieta profunda a trav\u00e9s del cuerpo de la herramienta<\/td><td>El reemplazo suele ser m\u00e1s seguro.<\/td><\/tr><tr><td>Da\u00f1os graves por colisi\u00f3n<\/td><td>Rehaga o inserte un parche mecanizado<\/td><\/tr><tr><td>Inserto sencillo de bajo costo<\/td><td>El reemplazo suele ser m\u00e1s econ\u00f3mico.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Esta decisi\u00f3n no debe basarse \u00fanicamente en el costo de la reparaci\u00f3n. Tambi\u00e9n debe tener en cuenta el tiempo de inactividad, la precisi\u00f3n dimensional, el riesgo de futuras grietas y el costo de una nueva falla tras la reparaci\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f3mo preparar D2 antes de la reparaci\u00f3n de soldadura<\/h2>\n\n\n\n<p>Antes de soldar, se debe inspeccionar la zona da\u00f1ada mediante un m\u00e9todo adecuado de detecci\u00f3n de grietas, como la inspecci\u00f3n por l\u00edquidos penetrantes. Tras la inspecci\u00f3n, el metal agrietado o da\u00f1ado debe eliminarse por completo mediante esmerilado o mecanizado.<\/p>\n\n\n\n<p>La cavidad de reparaci\u00f3n debe tener un perfil redondeado en forma de U, en lugar de una ranura afilada en forma de V. Una ranura afilada genera una concentraci\u00f3n de tensiones, lo que aumenta la probabilidad de agrietamiento durante la soldadura o el enfriamiento. Adem\u00e1s, la zona debe estar limpia y libre de aceite, humedad, \u00f3xido y suciedad.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Paso de preparaci\u00f3n<\/td><td>Prop\u00f3sito<\/td><\/tr><tr><td>Inspeccione la zona da\u00f1ada.<\/td><td>Encuentra grietas visibles y finas.<\/td><\/tr><tr><td>Retire todo el material agrietado.<\/td><td>Evita que se vuelva a agrietar.<\/td><\/tr><tr><td>Prepare una cavidad redondeada en forma de U.<\/td><td>Reduce la concentraci\u00f3n de estr\u00e9s<\/td><\/tr><tr><td>Limpie la zona de reparaci\u00f3n.<\/td><td>Elimina la contaminaci\u00f3n<\/td><\/tr><tr><td>Dejar margen de acabado<\/td><td>Permite el esmerilado final despu\u00e9s de la soldadura.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Una buena preparaci\u00f3n no garantiza el \u00e9xito, pero una mala preparaci\u00f3n casi garantiza una reparaci\u00f3n deficiente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Precalentamiento, material de aporte y soldadura TIG<\/h2>\n\n\n\n<p>El acero D2 no debe soldarse a temperatura ambiente. El precalentamiento reduce la diferencia de temperatura entre la zona de soldadura y el acero circundante, lo que disminuye el riesgo de choque t\u00e9rmico y agrietamiento.<\/p>\n\n\n\n<p>Para muchas reparaciones de acero D2, el rango t\u00edpico de precalentamiento es de entre 250 y 350 \u00b0C. Para reparaciones m\u00e1s exigentes, se puede utilizar entre 300 y 400 \u00b0C. Si la herramienta de acero D2 ya ha sido templada y revenida, el precalentamiento debe mantenerse por debajo de la temperatura de revenido original para reducir el riesgo de que se ablande.<\/p>\n\n\n\n<p>La soldadura TIG, tambi\u00e9n conocida como GTAW, es la preferida para la reparaci\u00f3n de D2, ya que permite dep\u00f3sitos de soldadura peque\u00f1os y controlados. Se suele utilizar soldadura de corriente continua con gas de protecci\u00f3n de arg\u00f3n. La reparaci\u00f3n debe realizarse con cordones cortos y estrechos en lugar de dep\u00f3sitos de soldadura gruesos.<\/p>\n\n\n\n<p>La selecci\u00f3n del material de relleno depende del prop\u00f3sito de la reparaci\u00f3n. Un material de relleno d\u00factil puede ser m\u00e1s adecuado para reparar grietas. Un material de relleno m\u00e1s duro puede ser necesario para superficies de corte o de desgaste.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Tipo de relleno<\/td><td>Uso t\u00edpico<\/td><td>Punto principal<\/td><\/tr><tr><td>acero inoxidable 312<\/td><td>Capa de reparaci\u00f3n de grietas o capa amortiguadora<\/td><td>Buena ductilidad y resistencia al agrietamiento<\/td><\/tr><tr><td>acero inoxidable 410<\/td><td>Capa intermedia de acumulaci\u00f3n<\/td><td>\u00datil para rellenar \u00e1reas de reparaci\u00f3n m\u00e1s grandes<\/td><\/tr><tr><td>Acero inoxidable 420 modificado<\/td><td>Reparaci\u00f3n de moldes o herramientas pulidas<\/td><td>Puede alcanzar aproximadamente 52\u201356 HRC<\/td><\/tr><tr><td>Relleno de acero para herramientas de alta dureza<\/td><td>Superficie de trabajo final<\/td><td>Se utiliza cuando se requiere una alta resistencia al desgaste.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Para reparaciones profundas, un m\u00e9todo pr\u00e1ctico consiste en aplicar primero una capa amortiguadora d\u00factil, rellenar el volumen de reparaci\u00f3n y, si la superficie requiere resistencia al desgaste, aplicar una capa final m\u00e1s dura. El uso de un relleno muy duro en toda la reparaci\u00f3n puede aumentar el riesgo de agrietamiento.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Enfriamiento y templado posterior a la soldadura<\/h2>\n\n\n\n<p>Tras la soldadura, el material D2 debe enfriarse lentamente. Un enfriamiento r\u00e1pido puede generar altas tensiones residuales y martensita fr\u00e1gil en la zona afectada por el calor. Debe evitarse el enfriamiento con aire comprimido, agua o aceite, o cualquier m\u00e9todo de enfriamiento forzado.<\/p>\n\n\n\n<p>Es pr\u00e1ctica com\u00fan colocar la herramienta reparada sobre arena seca, vermiculita u otro material aislante. El objetivo es que la herramienta se enfr\u00ede gradualmente en lugar de someter la zona reparada a un cambio brusco de temperatura.<\/p>\n\n\n\n<p>Tras un enfriamiento lento, suele ser necesario un revenido posterior a la soldadura. La soldadura puede generar una zona fr\u00e1gil endurecida cerca del cord\u00f3n. El revenido ayuda a aliviar la tensi\u00f3n y reducir la fragilidad. En el caso de las herramientas D2 endurecidas, el revenido posterior a la soldadura se suele realizar a una temperatura inferior a la del revenido original, normalmente entre 25 y 50 \u00b0F menos.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Punto de control<\/td><td>Prop\u00f3sito<\/td><\/tr><tr><td>Enfriamiento lento en el aislamiento<\/td><td>Reduce el choque t\u00e9rmico<\/td><\/tr><tr><td>Evite la refrigeraci\u00f3n forzada<\/td><td>Reduce el riesgo de agrietamiento<\/td><\/tr><tr><td>Templado posterior a la soldadura<\/td><td>Alivia el estr\u00e9s en la zona afectada por el calor.<\/td><\/tr><tr><td>Templar por debajo de la temperatura de templado original.<\/td><td>Ayuda a reducir el ablandamiento excesivo.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>El enfriamiento y el revenido lentos no son detalles opcionales. Son parte de la raz\u00f3n por la que una reparaci\u00f3n de soldadura D2 se conserva despu\u00e9s de que la herramienta vuelve a estar en servicio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cuando la sustituci\u00f3n es mejor que la reparaci\u00f3n mediante soldadura<\/h2>\n\n\n\n<p>Si la herramienta D2 presenta grietas profundas, roturas importantes, da\u00f1os graves por impacto o fallos repetidos en la misma zona, la sustituci\u00f3n suele ser una opci\u00f3n m\u00e1s fiable que la soldadura.<\/p>\n\n\n\n<p>Una herramienta D2 reparada tambi\u00e9n puede requerir rectificado final, inspecci\u00f3n y posible reprocesamiento. Si el costo de la reparaci\u00f3n m\u00e1s el tiempo de inactividad se acerca al costo de un inserto nuevo, el reemplazo podr\u00eda ser la mejor opci\u00f3n. Esto es especialmente cierto para insertos D2 sencillos, piezas de desgaste peque\u00f1as o secciones de herramientas que se pueden mecanizar f\u00e1cilmente.<\/p>\n\n\n\n<p>La reparaci\u00f3n mediante soldadura resulta m\u00e1s conveniente cuando la herramienta es grande, costosa, dif\u00edcil de fabricar de nuevo o se necesita con urgencia para la producci\u00f3n. El reemplazo es m\u00e1s conveniente cuando el da\u00f1o es estructural, la tolerancia es dif\u00edcil de restaurar o no se ha resuelto la causa de la falla.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Situaci\u00f3n<\/td><td>Mejor opci\u00f3n<\/td><\/tr><tr><td>Matriz de alto valor con da\u00f1os localizados<\/td><td>Considere la reparaci\u00f3n de soldadura<\/td><\/tr><tr><td>Peque\u00f1a zona de desgaste con suficiente material de acabado.<\/td><td>Considere la reparaci\u00f3n de soldadura<\/td><\/tr><tr><td>Grieta profunda a trav\u00e9s del cuerpo<\/td><td>Reemplazar<\/td><\/tr><tr><td>Rotura grave tras accidente con la herramienta<\/td><td>Reemplazar o usar insertos mecanizados para la reparaci\u00f3n<\/td><\/tr><tr><td>Fallo repetido en la misma zona<\/td><td>Investigar el dise\u00f1o, el tratamiento t\u00e9rmico o la elecci\u00f3n del material.<\/td><\/tr><tr><td>Inserto sencillo y de bajo costo<\/td><td>Reemplazar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Para las herramientas D2, la decisi\u00f3n de reparaci\u00f3n debe basarse en criterios pr\u00e1cticos. La cuesti\u00f3n no es solo si el material D2 se puede soldar, sino si la zona reparada a\u00fan cumple con los requisitos de dureza, resistencia al desgaste, precisi\u00f3n dimensional y vida \u00fatil.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusi\u00f3n<\/h2>\n\n\n\n<p>El acero para herramientas D2 se puede reparar mediante soldadura, pero resulta dif\u00edcil debido a su estructura rica en carbono, cromo y carburos. Los principales riesgos de reparaci\u00f3n son el agrietamiento en la zona afectada por el calor, el ablandamiento localizado, la deformaci\u00f3n y una vida \u00fatil reducida si se utiliza un material de aporte inadecuado.<\/p>\n\n\n\n<p>Para el desgaste localizado, peque\u00f1os desconchones o da\u00f1os limitados en herramientas de alto valor, la reparaci\u00f3n mediante soldadura controlada puede prolongar su vida \u00fatil. La reparaci\u00f3n debe incluir la inspecci\u00f3n de grietas, la eliminaci\u00f3n completa del material da\u00f1ado, el precalentamiento, el uso de un material de aporte adecuado, la soldadura TIG, el enfriamiento lento, el revenido posterior a la soldadura y el rectificado final.<\/p>\n\n\n\n<p>En caso de grietas profundas, da\u00f1os graves por impacto, rotura de secciones de la herramienta, fallos repetidos o simples insertos de bajo coste, la sustituci\u00f3n suele ser la opci\u00f3n m\u00e1s segura.<\/p>\n\n\n\n<p>El material D2 se puede soldar, pero debe tratarse como una reparaci\u00f3n controlada de la herramienta, en lugar de un trabajo de soldadura est\u00e1ndar.<\/p>","protected":false},"excerpt":{"rendered":"<p>Can D2 Tool Steel Be Weld Repaired? D2 tool steel can be weld-repaired, but it is difficult and prone to cracking. Its chemistry makes D2 difficult to weld. During welding, the heat-affected zone can become hard, brittle, and highly stressed if temperature control is poor. The main problem is not whether weld metal can be [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15369,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","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":"disabled","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":""},"categories":[22],"tags":[],"class_list":["post-15368","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Can D2 Tool Steel Be Weld Repaired? 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Learn when D2 repair is practical, why welding is difficult, and how preheating, filler choice, slow cooling, and tempering reduce failure risk.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/es\/blog\/d2-tool-steel-weld-repair\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-15T00:19:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-15T00:19:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Evan\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@AobosteelEvan\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Evan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/blog\\\/d2-tool-steel-weld-repair\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/blog\\\/d2-tool-steel-weld-repair\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"Can D2 Tool Steel Be Weld Repaired? 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D2 tool steel can be weld-repaired, but it is difficult and prone to cracking. Its chemistry makes D2 difficult to weld. During welding, the heat-affected zone can become hard, brittle, and highly stressed if temperature control is poor. The main problem is not whether weld metal can be&hellip;","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Can-D2-Tool-Steel-Be-Weld-Repaired-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"rttpg_comment":9,"rttpg_category":"<a href=\"https:\/\/aobosteel.com\/es\/blog\/category\/blog\/\" rel=\"category tag\">Blog<\/a>","rttpg_excerpt":"Can D2 Tool Steel Be Weld Repaired? 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