{"id":15322,"date":"2026-05-14T14:55:18","date_gmt":"2026-05-14T06:55:18","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15322"},"modified":"2026-10-18T23:33:40","modified_gmt":"2026-10-18T15:33:40","slug":"a2-tool-steel-machining-fabrication-guide","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/a2-tool-steel-machining-fabrication-guide\/","title":{"rendered":"Mecanizado del acero para herramientas A2: Velocidades, Rectificado y Soldadura | Aobo Steel"},"content":{"rendered":"<h1 id=\"h-guide-to-machining-and-fabricating-a2-tool-steel\" class=\"wp-block-heading\">Gu\u00eda para el mecanizado y la fabricaci\u00f3n del acero para herramientas A2<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/es\/a2-tool-steel\/\">Acero para herramientas A2<\/a> is easy to machine in the annealed condition but becomes significantly harder to machine after hardening because of its high chromium carbide content.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Comprender esta transici\u00f3n es fundamental para seleccionar la estrategia de mecanizado adecuada y evitar el desgaste de la herramienta, la distorsi\u00f3n y el agrietamiento.<\/p>\n\n\n\n<h2 id=\"h-machining-strategies-and-cutting-parameters-of-a2-tool-steel\" class=\"wp-block-heading\">Estrategias de mecanizado y par\u00e1metros de corte del acero para herramientas A2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A2 es un acero de aleaci\u00f3n media <a href=\"https:\/\/aobosteel.com\/es\/cold-work-tool-steels\/\">Acero para herramientas de trabajo en fr\u00edo<\/a>. En estado recocido, aproximadamente 200\u2013235 HB, se puede mecanizar con m\u00e9todos convencionales. Sin embargo, una vez endurecido, su alto volumen de carburos de cromo hace que el material sea altamente abrasivo, aumentando r\u00e1pidamente el desgaste de la herramienta y la dificultad de mecanizado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recommended starting cutting speeds for annealed A2 are shown below. Adjust these values for machine rigidity, cutting-tool grade, coolant condition, workholding, and part geometry.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">M\u00e9todo de procesamiento<\/th><th class=\"has-text-align-left\" data-align=\"left\">Tipo de herramienta<\/th><th class=\"has-text-align-left\" data-align=\"left\">Velocidad (SFM)<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Torneado<\/td><td class=\"has-text-align-left\" data-align=\"left\">HSS<\/td><td class=\"has-text-align-left\" data-align=\"left\">100<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Torneado<\/td><td class=\"has-text-align-left\" data-align=\"left\">Carburo<\/td><td class=\"has-text-align-left\" data-align=\"left\">350<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Molienda<\/td><td class=\"has-text-align-left\" data-align=\"left\">HSS<\/td><td class=\"has-text-align-left\" data-align=\"left\">85<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Molienda<\/td><td class=\"has-text-align-left\" data-align=\"left\">Carburo<\/td><td class=\"has-text-align-left\" data-align=\"left\">275<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perforaci\u00f3n<\/td><td class=\"has-text-align-left\" data-align=\"left\">HSS<\/td><td class=\"has-text-align-left\" data-align=\"left\">65<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/es\/tool-steel-cutting-speeds-and-feeds\/\">Escariado<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">HSS<\/td><td class=\"has-text-align-left\" data-align=\"left\">45<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-a2-tool-steel-machinability-vs-o1-h13-and-d2\" class=\"wp-block-heading\">Maquinabilidad del acero para herramientas A2 frente a O1, H13 y D2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/es\/tool-steel-machinability-rating-chart\/\">Calificaciones de maquinabilidad<\/a> generalmente se eval\u00faan en estado recocido y se comparan con el acero para herramientas W1 al 100 %.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Acero<\/th><th class=\"has-text-align-left\" data-align=\"left\">Maquinabilidad (%)<\/th><th class=\"has-text-align-left\" data-align=\"left\">Dificultad de mecanizado<\/th><th class=\"has-text-align-left\" data-align=\"left\">Raz\u00f3n microestructural clave<\/th><th class=\"has-text-align-left\" data-align=\"left\">Impacto pr\u00e1ctico<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/es\/o1-tool-steel\/\">O1<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">~85\u201390%<\/td><td class=\"has-text-align-left\" data-align=\"left\">F\u00e1cil<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/es\/tool-steel-carbide-types-and-hardness\/\">Baja aleaci\u00f3n, contenido m\u00ednimo de carburos<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">Mecanizado r\u00e1pido, bajo desgaste de herramienta, mejor para geometr\u00edas complejas<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/es\/h13-tool-steel\/\">H13<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">~70\u201375%<\/td><td class=\"has-text-align-left\" data-align=\"left\">Moderado<\/td><td class=\"has-text-align-left\" data-align=\"left\">Bajo carbono, alrededor del 0,40 %, con formaci\u00f3n limitada de carburos<\/td><td class=\"has-text-align-left\" data-align=\"left\">Mecanizado estable, buen equilibrio entre tenacidad y costo<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A2<\/td><td class=\"has-text-align-left\" data-align=\"left\">~60\u201365%<\/td><td class=\"has-text-align-left\" data-align=\"left\">Moderado<\/td><td class=\"has-text-align-left\" data-align=\"left\">Aleaci\u00f3n media, contenido moderado de carburos<\/td><td class=\"has-text-align-left\" data-align=\"left\">Opci\u00f3n equilibrada: mecanizado razonable m\u00e1s buena resistencia al desgaste<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/es\/d2-tool-steel\/\">D2<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\">~45\u201355%<\/td><td class=\"has-text-align-left\" data-align=\"left\">Dif\u00edcil<\/td><td class=\"has-text-align-left\" data-align=\"left\">El alto carbono y el alto cromo crean grandes carburos primarios<\/td><td class=\"has-text-align-left\" data-align=\"left\">Alto desgaste de herramienta, mecanizado lento, mayor costo de producci\u00f3n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Decisiones clave de herramientas:<\/strong> elija O1 cuando la eficiencia de mecanizado y el bajo costo sean la prioridad; elija H13 cuando se requieran tenacidad y estabilidad t\u00e9rmica; elija A2 para una soluci\u00f3n equilibrada entre resistencia al desgaste y maquinabilidad; elija D2 solo cuando se requiera m\u00e1xima resistencia al desgaste y el costo de mecanizado sea secundario.<\/p>\n\n\n\n<h2 id=\"h-machinability-vs-grindability\" class=\"wp-block-heading\">Maquinabilidad frente a rectificabilidad<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Acero<\/th><th class=\"has-text-align-left\" data-align=\"left\">Maquinabilidad<\/th><th class=\"has-text-align-left\" data-align=\"left\">Rectificabilidad<\/th><th class=\"has-text-align-left\" data-align=\"left\">Problema clave<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">O1<\/td><td class=\"has-text-align-left\" data-align=\"left\">Excelente<\/td><td class=\"has-text-align-left\" data-align=\"left\">Bien<\/td><td class=\"has-text-align-left\" data-align=\"left\">Resistencia m\u00ednima de los carburos<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">H13<\/td><td class=\"has-text-align-left\" data-align=\"left\">Bien<\/td><td class=\"has-text-align-left\" data-align=\"left\">Bien<\/td><td class=\"has-text-align-left\" data-align=\"left\">Estructura estable<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A2<\/td><td class=\"has-text-align-left\" data-align=\"left\">Moderado<\/td><td class=\"has-text-align-left\" data-align=\"left\">Moderado<\/td><td class=\"has-text-align-left\" data-align=\"left\">Contenido equilibrado de carburos<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">D2<\/td><td class=\"has-text-align-left\" data-align=\"left\">Pobre<\/td><td class=\"has-text-align-left\" data-align=\"left\">Pobre<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/es\/abrasive-wear-resistant-tool-steels\/\">Abrasi\u00f3n intensa por carburos<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Maquinabilidad<\/strong> se refiere al rendimiento de corte en estado recocido. <strong>Rectificabilidad<\/strong> se refiere a la eliminaci\u00f3n de material despu\u00e9s del endurecimiento.<\/p>\n\n\n\n<h2 id=\"h-drilling-and-grinding-of-a2-tool-steel\" class=\"wp-block-heading\">Perforaci\u00f3n y rectificado del acero para herramientas A2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para perforaciones generales, las brocas est\u00e1ndar <a href=\"https:\/\/aobosteel.com\/es\/high-speed-steels\/\">acero de alta velocidad<\/a> drills are sufficient. For higher productivity or batch production, use cobalt or carbide drills.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El A2 tiene una fuerte tendencia al endurecimiento por deformaci\u00f3n. Durante la perforaci\u00f3n, mantenga un avance continuo y evite las pausas. Cualquier interrupci\u00f3n permite que la superficie del agujero se endurezca, dificultando el mecanizado posterior.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El rectificado debe controlarse cuidadosamente. El calor excesivo puede revenir o reendurecer localmente la superficie, formando martensita fr\u00e1gil sin revenir y provocando grietas de rectificado. Utilice pasadas controladas y aplique refrigerante de forma constante. Para componentes con rectificado intenso, se recomienda un tratamiento de alivio de tensiones despu\u00e9s del rectificado.<\/p>\n\n\n\n<h2 id=\"h-welding-process-for-a2-tool-steel\" class=\"wp-block-heading\">Proceso de soldadura para el acero para herramientas A2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/es\/blog\/tool-steel-welding-forming-heat-treatment\/\">El A2 se puede soldar<\/a>, pero sus caracter\u00edsticas de endurecimiento al aire crean un alto riesgo de agrietamiento si los procedimientos no se controlan adecuadamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before welding, prepare the crack into a U-shape to reduce stress concentration. Preheat the workpiece to approximately 800\u2013900\u00b0F (427\u2013482\u00b0C) and maintain that temperature during welding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After welding, let the part cool slowly to about 200\u00b0F (95\u00b0C), then temper or\u00a0stress-relieve\u00a0immediately\u00a0to reduce the risk of cracking.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La selecci\u00f3n del material de aporte depende del objetivo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Para piezas tratadas t\u00e9rmicamente, utilice una composici\u00f3n A2 equivalente.<\/li>\n\n\n\n<li>Para capas de reparaci\u00f3n o de amortiguaci\u00f3n, se utiliza com\u00fanmente acero inoxidable tipo 312.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-the-impact-of-a2-tool-steel-heat-treatment-on-manufacturing\" class=\"wp-block-heading\">El impacto del tratamiento t\u00e9rmico del acero para herramientas A2 en la fabricaci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El A2 normalmente se suministra en estado recocido, con una matriz ferr\u00edtica y carburos esferoidizados, lo que proporciona una maquinabilidad \u00f3ptima.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the material has been cold-worked or hardened, reanneal it before machining. The typical annealing process includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Calentamiento a 1650 \u00b0F (899 \u00b0C).<\/li>\n\n\n\n<li>Mantenimiento durante 2 horas por pulgada de espesor.<\/li>\n\n\n\n<li>Enfriamiento en horno a no m\u00e1s de 50 \u00b0F\/hora hasta 900 \u00b0F (482 \u00b0C).<\/li>\n\n\n\n<li>Enfriamiento al aire hasta temperatura ambiente.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Esto restaura la dureza a aproximadamente 235 HB, permitiendo un mecanizado adecuado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Despu\u00e9s del endurecimiento, t\u00edpicamente mediante enfriamiento al aire desde aproximadamente 1775 \u00b0F (968 \u00b0C), el A2 alcanza 63\u201365 HRC. A este nivel de dureza, el mecanizado convencional ya no es pr\u00e1ctico. El dimensionado final debe lograrse mediante rectificado o EDM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al utilizar EDM, se forma en la superficie una capa <a href=\"https:\/\/aobosteel.com\/es\/blog\/edm-tool-steel-white-layer\/\">&#8220;blanca&#8221;<\/a> refundida y fr\u00e1gil. Esta capa contiene altas tensiones residuales y debe eliminarse por completo mediante pulido o rectificado. Un <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-heat-treatment-troubleshooting-chart\/\">ciclo de revenido para alivio de tensiones<\/a> debe realizarse inmediatamente despu\u00e9s para prevenir microfisuras.<\/p>\n\n\n\n<h2 id=\"h-frequent-challenges-and-solutions\" class=\"wp-block-heading\">Desaf\u00edos y soluciones frecuentes<\/h2>\n\n\n\n<h3 id=\"h-1-work-hardening\" class=\"wp-block-heading\">1. Endurecimiento por deformaci\u00f3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Work hardening is one of the most common machining issues with A2. If the tool is dull or the cut is too light, the surface rubs instead of cutting, forming a hardened layer that blocks further tool penetration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> Use sharp tools and maintain a consistent, positive feed. Avoid light cuts and surface rubbing.<\/p>\n\n\n\n<h3 id=\"h-2-dimensional-distortion\" class=\"wp-block-heading\">2. Distorsi\u00f3n dimensional<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Aunque el A2 ofrece mejor estabilidad dimensional que los aceros de temple al agua, la distorsi\u00f3n a\u00fan ocurre durante el tratamiento t\u00e9rmico. La <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-size-change-in-heat-treatment\/\">expansi\u00f3n<\/a> t\u00edpica es de aproximadamente 0,001 pulgada por pulgada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> deje suficiente <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-machining-allowance-chart\/\">sobremedida de mecanizado<\/a> antes del tratamiento t\u00e9rmico para compensar el cambio dimensional y eliminar las capas descarburizadas durante el acabado.<\/p>\n\n\n\n<h3 id=\"h-3-grinding-cracks\" class=\"wp-block-heading\">3. <a href=\"https:\/\/aobosteel.com\/es\/quench-cracking-tool-steel\/\">Grietas de molienda<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Las grietas de rectificado ocurren cuando la tensi\u00f3n t\u00e9rmica supera la resistencia del material, especialmente en el A2 endurecido.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> use muelas <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-grindability-and-grinding-wheel-selection\/\">de estructura abierta y blanda<\/a> y aplique refrigerante continuamente. Para piezas soldadas o muy rectificadas, realice un revenido adicional para alivio de tensiones a 25\u201350\u00b0F (14\u201328\u00b0C) por debajo de la temperatura de revenido original.<\/p>\n\n\n\n<h2 id=\"h-common-mistakes-when-machining-a2-tool-steel\" class=\"wp-block-heading\">Errores comunes al mecanizar acero para herramientas A2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding typical machining challenges is only the first step. In practice, most premature A2 tool failures stem from avoidable process errors that introduce residual stresses, microcracks, or unstable microstructures during manufacturing.<\/p>\n\n\n\n<h3 id=\"h-1-improper-edm-practices\" class=\"wp-block-heading\">1. Pr\u00e1cticas de EDM inadecuadas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Error:<\/strong> usar EDM sin un acabado adecuado y dejar intacta la superficie tal como queda tras el EDM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Consecuencia:<\/strong> El EDM genera una &#8220;capa blanca&#8221; refundida y fr\u00e1gil con altas tensiones residuales y microfisuras. Bajo carga en servicio, estas grietas se propagan r\u00e1pidamente, provocando desportillado o falla catastr\u00f3fica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> use fine finishing parameters, such as low current and high frequency, to minimize the depth of damage. Remove the white layer completely by grinding or polishing, then stress-relieve by tempering at 15\u201325\u00b0C (25\u201345\u00b0F) below the original tempering temperature.<\/p>\n\n\n\n<h3 id=\"h-2-aggressive-or-uncontrolled-grinding\" class=\"wp-block-heading\">2. Rectificado agresivo o sin control<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Error:<\/strong> removing too much material in one pass, using hard or loaded grinding wheels, or using insufficient coolant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Consecuencia:<\/strong> excessive heat leads to surface damage. Subcritical heating causes overtempering and soft spots, while overheating followed by rapid cooling forms brittle, untempered martensite. Both conditions create surface stresses that cause grinding cracks and reduce tool life.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> use muelas de rectificado blandas de estructura abierta con refrigerante continuo. Aplique pasadas ligeras y permita un enfriamiento suficiente entre operaciones. Para piezas muy rectificadas, realice un revenido para alivio de tensiones.<\/p>\n\n\n\n<h3 id=\"h-3-allowing-tools-to-rub-work-hardening\" class=\"wp-block-heading\">3. Permitir que las herramientas rocen (endurecimiento por deformaci\u00f3n)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Error:<\/strong> using dull tools, running at low feed rates, or letting the cutter dwell and rub instead of cut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Consecuencia:<\/strong> <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-processing-characteristics\/\">endurecimiento por deformaci\u00f3n superficial<\/a> ocurre, formando una capa endurecida que impide la penetraci\u00f3n adicional de la herramienta y provoca un desgaste o rotura r\u00e1pida de la herramienta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> keep cutting tools sharp and use a consistent, positive feed rate. Ensure the tool is always cutting below the work-hardened layer. Avoid conventional center punching; use a tripod punch when marking drilling locations.<\/p>\n\n\n\n<h3 id=\"h-4-sharp-corners-and-poor-surface-finish\" class=\"wp-block-heading\">4. Esquinas agudas y acabado superficial deficiente<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Error:<\/strong> dejar esquinas internas agudas, marcas de mecanizado profundas o superficies rugosas antes del tratamiento t\u00e9rmico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Consecuencia:<\/strong> these features concentrate stress. During quenching, thermal stress localizes at these points, often causing cracking. Even if cracking does not occur during heat treatment, fatigue failure is likely in service.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> use radios generosos y transiciones suaves. Elimine las marcas de mecanizado profundas y evite los bordes agudos. Aplique procesos de acabado para reducir la concentraci\u00f3n de tensiones superficiales antes del endurecimiento.<\/p>\n\n\n\n<h3 id=\"h-5-insufficient-stock-removal-decarburization-layer\" class=\"wp-block-heading\">5. Eliminaci\u00f3n insuficiente de material (capa de descarburaci\u00f3n)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Error:<\/strong> mecanizar demasiado cerca de la superficie original laminada en caliente sin eliminar la capa descarburizada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Consecuencia:<\/strong> la superficie permanece con bajo carbono y no puede alcanzar la dureza completa. Esto crea una capa exterior blanda y aumenta el riesgo de transformaci\u00f3n desigual y agrietamiento durante el tratamiento t\u00e9rmico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> siempre mecanice para eliminar la &#8220;corteza&#8221; descarburizada. Como regla general, elimine aproximadamente 1\/16 de pulgada, o 5\u201310 % del tama\u00f1o de la secci\u00f3n, de todas las superficies para asegurar propiedades del material consistentes.<\/p>\n\n\n\n<h3 id=\"h-6-skipping-stress-relief-after-heavy-machining\" class=\"wp-block-heading\">6. Omitir el alivio de tensiones despu\u00e9s de un mecanizado pesado<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Error:<\/strong> enviar piezas muy mecanizadas directamente al endurecimiento sin alivio de tensiones.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Consecuencia:<\/strong> heating releases residual machining stresses, causing distortion such as warping or twisting, leading to dimensional instability and scrap.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Soluci\u00f3n:<\/strong> realice un recocido subcr\u00edtico para alivio de tensiones despu\u00e9s del mecanizado en desbaste. Luego complete el mecanizado antes del tratamiento t\u00e9rmico final.<\/p>\n\n\n\n<h3 id=\"h-related-pages\" class=\"wp-block-heading\">P\u00e1ginas relacionadas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u00e1ginas de A2:<\/strong> <a href=\"https:\/\/aobosteel.com\/es\/a2-tool-steel-properties\/\">Propiedades del A2<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/a2-tool-steel-hardness\/\">Dureza del A2<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/a2-steel-composition\/\">Composici\u00f3n de A2<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/a2-tool-steel-heat-treatment-guide\/\">Tratamiento t\u00e9rmico del A2<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Comparaciones del A2:<\/strong> <a href=\"https:\/\/aobosteel.com\/es\/d2-vs-a2-tool-steel\/\">A2 contra D2<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/a2-vs-o1-tool-steel\/\">A2 contra O1<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/s7-vs-a2-tool-steel\/\">A2 contra S7<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/h13-vs-a2-tool-steel\/\">A2 vs H13<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/4140-vs-a2-tool-steel\/\">A2 vs 4140<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Referencia de taller:<\/strong> <a href=\"https:\/\/aobosteel.com\/es\/tap-drill-size-chart\/\">Tabla de tama\u00f1os de brocas para roscado<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/surface-roughness-chart\/\">Tabla de rugosidad superficial<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Familias de grados:<\/strong> <a href=\"https:\/\/aobosteel.com\/es\/s-series-tool-steel\/\">Aceros para herramientas resistentes al impacto<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/tool-steels\/\">Grados de acero para herramientas<\/a> \u00b7 <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-material-finder\/\">Buscador de materiales de acero para herramientas<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cutting data, machinability figures, and welding practice are typical published values for A2 \/ 1.2363 \/ SKD12 in the annealed condition. Adjust to your machine, tooling, and setup, and confirm the delivered condition against the mill certificate.<\/p>","protected":false},"excerpt":{"rendered":"<p>Guide to Machining and Fabricating A2 Tool Steel A2 tool steel is easy to machine in the annealed condition but becomes significantly harder to machine after hardening because of its high chromium carbide content. Understanding this transition is critical for selecting the appropriate machining strategy and avoiding tool wear, distortion, and cracking. Machining Strategies and [&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":"normal-width-container","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-15322","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>A2 Tool Steel Machining: Speeds, Grinding and Welding<\/title>\n<meta name=\"description\" content=\"Machining A2 tool steel: cutting speeds in SFM, machinability ratings, grinding and EDM practice, welding procedure, and heat treatment preparation.\" \/>\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\/a2-tool-steel-machining-fabrication-guide\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A2 Tool Steel Machining: Speeds, Grinding &amp; 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