{"id":15288,"date":"2026-05-13T10:41:51","date_gmt":"2026-05-13T02:41:51","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15288"},"modified":"2026-05-13T10:41:53","modified_gmt":"2026-05-13T02:41:53","slug":"420-stainless-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/420-stainless-steel-heat-treatment\/","title":{"rendered":"Gu\u00eda de tratamiento t\u00e9rmico del acero 420 | Endurecimiento, temple y revenido"},"content":{"rendered":"
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Gu\u00eda de tratamiento t\u00e9rmico para acero inoxidable 420<\/h1>\n\n\n\n

Para el tratamiento t\u00e9rmico del acero inoxidable 420, precaliente el acero a unos 650 \u00b0C \/ 1200 \u00b0F, luego austen\u00edcelo a unos 954\u20131010 \u00b0C \/ 1750\u20131850 \u00b0F, seguido de un enfriamiento r\u00e1pido en aire o aceite. Tras el enfriamiento, revenido inmediatamente seg\u00fan la dureza, tenacidad y resistencia a la corrosi\u00f3n requeridas.<\/p>\n\n\n\n

Para aplicaciones que requieren alta dureza, el acero inoxidable 420 se suele templar a temperaturas m\u00e1s bajas. Los puntos de referencia t\u00edpicos son aproximadamente 150 \u00b0C \/ 300 \u00b0F para un m\u00ednimo de 52 HRC, 204 \u00b0C \/ 400 \u00b0F para un m\u00ednimo de 50 HRC y 316 \u00b0C \/ 600 \u00b0F para un m\u00ednimo de 48 HRC. Generalmente, se debe evitar el rango de templado de 427\u2013566 \u00b0C \/ 800\u20131050 \u00b0F, ya que puede reducir la resistencia al impacto y la resistencia a la corrosi\u00f3n.<\/p>\n\n\n\n

El acero inoxidable 420 es un acero inoxidable martens\u00edtico endurecible. Tras un tratamiento t\u00e9rmico adecuado, suele alcanzar una dureza de 46 a 52 HRC en aplicaciones industriales, manteniendo una buena resistencia al desgaste, pulibilidad y una resistencia a la corrosi\u00f3n moderada. El rendimiento final depende del tama\u00f1o de la secci\u00f3n, el m\u00e9todo de temple, la temperatura de revenido, la atm\u00f3sfera del horno y la aplicaci\u00f3n requerida.<\/p>\n\n\n\n

Esta gu\u00eda explica el proceso pr\u00e1ctico de tratamiento t\u00e9rmico para el acero inoxidable 420, incluyendo el precalentamiento, la austenizaci\u00f3n, el temple, la tabla de revenido, la dureza esperada, los errores comunes y la direcci\u00f3n del tratamiento t\u00e9rmico seg\u00fan la aplicaci\u00f3n.<\/p>\n\n\n\n

Proceso de tratamiento t\u00e9rmico del acero inoxidable 420 de un vistazo <\/h2>\n\n\n\n

El resultado final del tratamiento t\u00e9rmico del acero inoxidable 420 depende de la temperatura de calentamiento, el tiempo de mantenimiento a temperatura, el m\u00e9todo de enfriamiento, la temperatura de revenido, la protecci\u00f3n de la superficie y la geometr\u00eda de la pieza.<\/p>\n\n\n\n

Etapa del proceso<\/strong><\/td>Rango o m\u00e9todo t\u00edpico<\/strong><\/td>Prop\u00f3sito<\/strong><\/td>Nota pr\u00e1ctica<\/strong><\/td><\/tr>
Limpieza<\/td>Antes de calentar<\/td>Eliminar aceite, grasa y residuos.<\/td>Las superficies sucias pueden da\u00f1ar la resistencia a la corrosi\u00f3n y la calidad de la superficie.<\/td><\/tr>
atm\u00f3sfera protectora<\/td>Vac\u00edo, atm\u00f3sfera neutra o ba\u00f1o de sal neutra<\/td>Reducir la oxidaci\u00f3n y la descarburaci\u00f3n<\/td>Importante para piezas pulidas, moldes y aplicaciones resistentes a la corrosi\u00f3n.<\/td><\/tr>
Precalentamiento<\/td>Aproximadamente 650 \u00b0C \/ 1200 \u00b0F<\/td>Reducir el choque t\u00e9rmico<\/td>Especialmente \u00fatil para piezas grandes, complejas o de precisi\u00f3n.<\/td><\/tr>
Austenitizaci\u00f3n<\/td>Aproximadamente 954\u20131010 \u00b0C \/ 1750\u20131850 \u00b0F<\/td>Preparar el acero para el endurecimiento.<\/td>Se pueden utilizar productos de gama alta para obtener la m\u00e1xima dureza y resistencia a la corrosi\u00f3n.<\/td><\/tr>
Remojo<\/td>Aproximadamente 30 minutos por pulgada de espesor m\u00e1ximo de la secci\u00f3n.<\/td>Calentar la secci\u00f3n de manera uniforme.<\/td>Evite remojar en exceso innecesariamente.<\/td><\/tr>
Enfriamiento<\/td>Aire o aceite<\/td>Forma martensita endurecida<\/td>Seleccione seg\u00fan el tama\u00f1o, la forma y el requisito de dureza de la pieza.<\/td><\/tr>
Templado<\/td>Depende de las propiedades requeridas.<\/td>Ajustar la dureza, la tenacidad y la estabilidad.<\/td>Templar inmediatamente despu\u00e9s del enfriamiento.<\/td><\/tr>
Doble templado<\/td>Se utiliza con frecuencia para piezas cr\u00edticas.<\/td>Mejora el alivio del estr\u00e9s y la estabilidad.<\/td>Dejar enfriar a temperatura ambiente entre cada temperatura.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

El recocido no forma parte del ciclo principal de endurecimiento. Se utiliza cuando es necesario ablandar el material antes del mecanizado, el conformado o el reendurecimiento. Para el acero inoxidable 420, el recocido subcr\u00edtico puede realizarse a temperaturas de entre 675 y 760 \u00b0C (1245 y 1400 \u00b0F), mientras que el recocido completo puede realizarse a temperaturas de entre 830 y 885 \u00b0C (1525 y 1625 \u00b0F), seguido de un enfriamiento controlado.<\/p>\n\n\n\n

Tratamiento t\u00e9rmico paso a paso del acero inoxidable 420<\/h2>\n\n\n\n

El ciclo principal de endurecimiento para el acero inoxidable 420 consta de tres etapas:\u00a0precalentamiento, austenizaci\u00f3n y temple, y revenido<\/strong>. La limpieza y el control de la atm\u00f3sfera deben completarse antes del calentamiento, pero el resultado del tratamiento t\u00e9rmico est\u00e1 determinado principalmente por estas tres etapas.<\/p>\n\n\n\n

Paso 1: Precalentar el acero inoxidable 420<\/h3>\n\n\n\n

El precalentamiento reduce el choque t\u00e9rmico antes de que el acero alcance la temperatura de austenizaci\u00f3n. Esto es importante porque los aceros inoxidables conducen el calor m\u00e1s lentamente que muchos aceros al carbono y de baja aleaci\u00f3n. Un calentamiento r\u00e1pido puede generar diferencias de temperatura entre la superficie y el n\u00facleo, aumentando el riesgo de deformaci\u00f3n o agrietamiento.<\/p>\n\n\n\n

Una temperatura de precalentamiento com\u00fan para el acero inoxidable 420 es aproximadamente 650 \u00b0C (1200 \u00b0F)<\/strong>.<\/p>\n\n\n\n

Condici\u00f3n de la pieza<\/strong><\/td>Por qu\u00e9 es importante precalentar<\/strong><\/td><\/tr>
Secciones grandes<\/td>Reduce la diferencia de temperatura entre la superficie y el n\u00facleo.<\/td><\/tr>
Secciones delgadas o irregulares<\/td>Reduce el riesgo de distorsi\u00f3n<\/td><\/tr>
Esquinas afiladas o formas complejas<\/td>Reduce el riesgo de agrietamiento<\/td><\/tr>
Piezas de moldes de precisi\u00f3n<\/td>Mejora la estabilidad dimensional<\/td><\/tr>
Piezas previamente endurecidas<\/td>Reduce el choque t\u00e9rmico durante el re-endurecimiento.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Antes del precalentamiento, la superficie debe estar limpia. Deben eliminarse el aceite, la grasa y los residuos ricos en carbono. Para piezas que requieran buena pulibilidad o resistencia a la corrosi\u00f3n, el calentamiento debe realizarse al vac\u00edo, en atm\u00f3sfera neutra o en ba\u00f1o de sales neutras.<\/p>\n\n\n\n

Paso 2: Austenizar y templar el acero inoxidable 420.<\/h3>\n\n\n\n

Despu\u00e9s del precalentamiento, caliente el acero 420 a la temperatura de endurecimiento com\u00fan. 954\u20131010 \u00b0C \/ 1750\u20131850 \u00b0F<\/strong>.<\/p>\n\n\n\n

La temperatura exacta debe seleccionarse en funci\u00f3n del tama\u00f1o de la secci\u00f3n, las condiciones del horno, los datos del fabricante del acero y la dureza final requerida. Se puede utilizar el extremo superior del rango cuando se requiere la m\u00e1xima dureza y resistencia a la corrosi\u00f3n, pero debe evitarse el sobrecalentamiento, ya que puede aumentar el crecimiento del grano, la distorsi\u00f3n y el riesgo de agrietamiento.<\/p>\n\n\n\n

Una pauta t\u00edpica de remojo es sobre 30 minutos por pulgada del mayor espesor de secci\u00f3n transversal<\/strong>. El objetivo es lograr un calentamiento uniforme en toda la secci\u00f3n. Un calentamiento prolongado no mejora el resultado y puede hacer que la pieza sea menos estable durante el enfriamiento.<\/p>\n\n\n\n

Tras el remojo, la pieza debe enfriarse r\u00e1pidamente.<\/p>\n\n\n\n

M\u00e9todo de enfriamiento<\/strong><\/td>Mejor utilizado para<\/strong><\/td>Ventaja<\/strong><\/td>Precauci\u00f3n<\/strong><\/td><\/tr>
Enfriamiento por aire<\/td>Piezas complejas, irregulares o de precisi\u00f3n<\/td>Menor riesgo de distorsi\u00f3n y agrietamiento<\/td>Puede ser demasiado lento para algunos tramos pesados.<\/td><\/tr>
enfriamiento con aceite<\/td>Secciones o piezas m\u00e1s pesadas que requieren una respuesta de endurecimiento m\u00e1s fuerte<\/td>Enfriamiento m\u00e1s r\u00e1pido y mayor capacidad de endurecimiento<\/td>Mayor riesgo de deformaci\u00f3n y agrietamiento<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

El temple al aire suele ser m\u00e1s seguro para formas complejas. El temple en aceite puede utilizarse cuando se requiere mayor dureza y la geometr\u00eda de la pieza permite un temple m\u00e1s severo.<\/p>\n\n\n\n

El enfriamiento debe ser lo suficientemente r\u00e1pido a trav\u00e9s del rango cr\u00edtico para evitar la precipitaci\u00f3n da\u00f1ina de carburos en los l\u00edmites de grano. Un enfriamiento lento puede reducir la resistencia a la corrosi\u00f3n. Despu\u00e9s del temple, la pieza debe ser revenida lo antes posible.<\/p>\n\n\n\n

Paso 3: Templar el acero inoxidable 420<\/h3>\n\n\n\n

Para lograr una alta dureza, resistencia al desgaste, facilidad de pulido y resistencia a la corrosi\u00f3n, generalmente se prefieren temperaturas de revenido m\u00e1s bajas.<\/p>\n\n\n\n

Temperatura de revenido<\/strong><\/td>Dureza aproximada<\/strong><\/td>Significado pr\u00e1ctico<\/strong><\/td><\/tr>
150 \u00b0C \/ 300 \u00b0F<\/td>Aproximadamente 52 HRC m\u00ednimo<\/td>Alta dureza y retenci\u00f3n del filo<\/td><\/tr>
204 \u00b0C \/ 400 \u00b0F<\/td>Aproximadamente 50 HRC m\u00ednimo<\/td>Templado com\u00fan a baja temperatura para piezas endurecidas en general.<\/td><\/tr>
250 \u00b0C \/ 480 \u00b0F<\/td>A menudo por encima de 50 HRC<\/td>Se utiliza a menudo cuando la pulibilidad y la resistencia a la corrosi\u00f3n son importantes.<\/td><\/tr>
316 \u00b0C \/ 600 \u00b0F<\/td>Aproximadamente 48 HRC m\u00ednimo<\/td>Menor dureza con mayor tenacidad.<\/td><\/tr>
593 \u00b0C \/ 1100 \u00b0F y superior<\/td>Menor dureza<\/td>Se utiliza cuando la tenacidad es m\u00e1s importante que la dureza.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

El doble revenido se utiliza con frecuencia para piezas cr\u00edticas de acero inoxidable 420. La pieza debe enfriarse a temperatura ambiente entre cada ciclo de revenido. Esto ayuda a aliviar las tensiones internas y a mejorar la estabilidad dimensional.<\/p>\n\n\n\n

El rango alrededor 427\u2013566 \u00b0C \/ 800\u20131050 \u00b0F<\/strong> Generalmente debe evitarse. El revenido en este rango puede reducir la resistencia al impacto y la resistencia a la corrosi\u00f3n. Si se requiere una condici\u00f3n m\u00e1s blanda y resistente, la temperatura de revenido generalmente se eleva a aproximadamente 593 \u00b0C \/ 1100 \u00b0F o superior<\/strong>, con una clara aceptaci\u00f3n de una menor dureza.<\/p>\n\n\n\n

Tabla de templado del acero inoxidable 420<\/h2>\n\n\n\n

La dureza de trabajo del acero inoxidable 420 tratado t\u00e9rmicamente suele ser de alrededor de 46\u201352 HRC<\/strong>. La dureza final depende de la temperatura de austenizaci\u00f3n, la velocidad de temple, la temperatura de revenido, el tama\u00f1o de la secci\u00f3n y el estado del acero.<\/p>\n\n\n\n

La tabla que aparece a continuaci\u00f3n debe utilizarse como referencia pr\u00e1ctica, no como un valor de dureza final garantizado.<\/p>\n\n\n\n

Temperatura de revenido<\/strong><\/td>Dureza aproximada<\/strong><\/td>Direcci\u00f3n t\u00edpica<\/strong><\/td>Precauci\u00f3n principal<\/strong><\/td><\/tr>
150 \u00b0C \/ 300 \u00b0F<\/td>Aproximadamente 52 HRC m\u00ednimo<\/td>Alta dureza, retenci\u00f3n del filo, resistencia al desgaste<\/td>Menor dureza<\/td><\/tr>
204 \u00b0C \/ 400 \u00b0F<\/td>Aproximadamente 50 HRC m\u00ednimo<\/td>Aplicaciones generales de alta dureza<\/td>Requiere un enfriamiento adecuado.<\/td><\/tr>
250 \u00b0C \/ 480 \u00b0F<\/td>A menudo por encima de 50 HRC<\/td>Moldes de pl\u00e1stico, piezas pulidas, piezas endurecidas resistentes a la corrosi\u00f3n.<\/td>La dureza final depende del endurecimiento previo.<\/td><\/tr>
316 \u00b0C \/ 600 \u00b0F<\/td>Aproximadamente 48 HRC m\u00ednimo<\/td>Dureza moderada con mayor tenacidad.<\/td>La dureza comienza a disminuir<\/td><\/tr>
400\u2013450 \u00b0C \/ 750\u2013840 \u00b0F<\/td>Alrededor de 450 HB o aproximadamente 47 HRC en algunos templetes de resorte.<\/td>Requisitos especiales de manantial o propiedad<\/td>No debe utilizarse como rango de templado general.<\/td><\/tr>
427\u2013566 \u00b0C \/ 800\u20131050 \u00b0F<\/td>Generalmente evitado<\/td>No se recomienda para la mayor\u00eda de las aplicaciones.<\/td>Puede reducir la resistencia al impacto y la resistencia a la corrosi\u00f3n.<\/td><\/tr>
593 \u00b0C \/ 1100 \u00b0F y superior<\/td>Menor dureza<\/td>Aplicaciones de mayor resistencia<\/td>P\u00e9rdida significativa de dureza<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Para aplicaciones que requieren una dureza superior a 50 HRC y una buena resistencia a la corrosi\u00f3n, el revenido a baja temperatura suele ser la opci\u00f3n m\u00e1s segura. Esto es habitual en moldes de pl\u00e1stico, herramientas de corte, piezas de desgaste, componentes pulidos y piezas expuestas a la corrosi\u00f3n.<\/p>\n\n\n\n

Errores comunes en el tratamiento t\u00e9rmico del acero inoxidable 420<\/h2>\n\n\n\n

La mayor\u00eda de los problemas de tratamiento t\u00e9rmico del acero inoxidable 420 se deben a un control deficiente del proceso. Las fallas m\u00e1s comunes son la deformaci\u00f3n, el agrietamiento, la dureza insuficiente, la mala calidad de la superficie, la menor resistencia a la corrosi\u00f3n y la p\u00e9rdida de tenacidad.<\/p>\n\n\n\n

Error<\/strong><\/td>Resultado<\/strong><\/td>Mejores pr\u00e1cticas<\/strong><\/td><\/tr>
No hay un objetivo inmobiliario claro<\/td>Direcci\u00f3n de templado incorrecta<\/td>Defina si la prioridad es la dureza, la tenacidad, la resistencia a la corrosi\u00f3n, la capacidad de pulido o la estabilidad dimensional.<\/td><\/tr>
Limpieza superficial deficiente<\/td>Da\u00f1os en la superficie o menor resistencia a la corrosi\u00f3n<\/td>Limpie el aceite, la grasa y los residuos antes de calentar.<\/td><\/tr>
Sin atm\u00f3sfera protectora<\/td>Desincrustaci\u00f3n o descarburaci\u00f3n<\/td>Utilice vac\u00edo, atm\u00f3sfera neutra o ba\u00f1o de sal neutra cuando la calidad de la superficie sea importante.<\/td><\/tr>
Omitir el precalentamiento<\/td>Mayor riesgo de deformaci\u00f3n o agrietamiento.<\/td>Precalentar a unos 650 \u00b0C \/ 1200 \u00b0F antes de austenizar.<\/td><\/tr>
M\u00e9todo de enfriamiento incorrecto<\/td>Agrietamiento, deformaci\u00f3n o dureza insuficiente<\/td>Seleccione aire o aceite seg\u00fan el tama\u00f1o y la geometr\u00eda de la secci\u00f3n.<\/td><\/tr>
Enfriamiento demasiado lento<\/td>Resistencia reducida a la corrosi\u00f3n<\/td>Controlar la refrigeraci\u00f3n en todo el rango cr\u00edtico.<\/td><\/tr>
Retrasar el templado<\/td>Riesgo de agrietamiento por temple<\/td>Templado poco despu\u00e9s del enfriamiento<\/td><\/tr>
Templado en el rango de peligro<\/td>Menor resistencia al impacto y a la corrosi\u00f3n.<\/td>Evite temperaturas de entre 427 y 566 \u00b0C \/ 800 y 1050 \u00b0F, a menos que un procedimiento calificado lo requiera.<\/td><\/tr>
Un solo nivel de control en las piezas cr\u00edticas.<\/td>Menor alivio del estr\u00e9s y estabilidad<\/td>Utilice el doble templado para piezas de precisi\u00f3n o cr\u00edticas.<\/td><\/tr>
Buscando \u00fanicamente la m\u00e1xima dureza<\/td>Piezas fr\u00e1giles o rendimiento reducido frente a la corrosi\u00f3n<\/td>Adaptar la temperatura de templado a la aplicaci\u00f3n.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Un error grave es utilizar el temple en aceite para todas las piezas. Si bien el temple en aceite puede mejorar el endurecimiento, tambi\u00e9n aumenta el riesgo de deformaci\u00f3n y agrietamiento. Para piezas complejas o irregulares, el temple al aire suele ser la opci\u00f3n m\u00e1s segura.<\/p>\n\n\n\n

Otro error com\u00fan es utilizar una temperatura de revenido elevada para mejorar la tenacidad sin tener en cuenta la resistencia a la corrosi\u00f3n. En el acero inoxidable 420, el revenido a alta temperatura puede reducir la dureza y, posiblemente, la resistencia a la corrosi\u00f3n. Cuando se requiere alta dureza y resistencia a la corrosi\u00f3n, generalmente se prefiere el revenido a baja temperatura.<\/p>\n\n\n\n

La zona de riesgo m\u00e1s importante es 427\u2013566 \u00b0C (800\u20131050 \u00b0F)<\/strong>. Este rango no debe usarse de forma casual. Si la pieza necesita mayor tenacidad, el proceso debe dise\u00f1arse en funci\u00f3n de 593 \u00b0C \/ 1100 \u00b0F o superior<\/strong>, entendiendo que la dureza disminuir\u00e1.<\/p>\n\n\n\n

Tratamiento t\u00e9rmico del acero inoxidable 420 seg\u00fan la aplicaci\u00f3n.<\/h2>\n\n\n\n

El proceso b\u00e1sico de endurecimiento del acero inoxidable 420 es similar en muchas aplicaciones, pero la temperatura de revenido debe variar seg\u00fan el rendimiento requerido.<\/p>\n\n\n\n

Aplicaci\u00f3n<\/strong><\/td>Requisito principal<\/strong><\/td>Direcci\u00f3n del tratamiento t\u00e9rmico<\/strong><\/td>Nota pr\u00e1ctica<\/strong><\/td><\/tr>
Cubiertos y cuchillas<\/td>Dureza y retenci\u00f3n del filo<\/td>Austenitizar adecuadamente, templar y luego aplicar un tratamiento t\u00e9rmico a baja temperatura.<\/td>Evite temperaturas de templado excesivas si se requiere un filo afilado.<\/td><\/tr>
Instrumentos quir\u00fargicos y dentales<\/td>Dureza, pulibilidad, resistencia a la corrosi\u00f3n<\/td>Utilice un templado a baja temperatura y una buena protecci\u00f3n de la superficie.<\/td>La calidad de la superficie es fundamental.<\/td><\/tr>
Moldes de pl\u00e1stico<\/td>Pulibilidad, dureza, resistencia a la corrosi\u00f3n<\/td>Templado a baja temperatura, generalmente entre 204 y 250 \u00b0C \/ 400 y 480 \u00b0F.<\/td>Evite el revenido a alta temperatura si la resistencia a la corrosi\u00f3n es importante.<\/td><\/tr>
Piezas de desgaste<\/td>Dureza y resistencia a la abrasi\u00f3n<\/td>Endurecer completamente y templar en un rango inferior.<\/td>No reduzca la dureza a menos que se requiera tenacidad.<\/td><\/tr>
Ejes, engranajes y rodillos<\/td>Equilibrio entre fuerza y resistencia<\/td>Utilice una temperatura de templado espec\u00edfica para la aplicaci\u00f3n.<\/td>La m\u00e1xima dureza no siempre es el mejor objetivo.<\/td><\/tr>
Muelles o componentes m\u00e1s resistentes<\/td>Resistencia por encima de la dureza m\u00e1xima<\/td>Se puede utilizar una temperatura de templado m\u00e1s alta.<\/td>La dureza ser\u00e1 menor<\/td><\/tr>
Piezas de precisi\u00f3n complejas<\/td>Estabilidad dimensional<\/td>Precaliente con cuidado, considere el enfriamiento al aire y utilice un doble templado.<\/td>Evite el enfriamiento brusco cuando el riesgo de agrietamiento sea alto.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Para moldes de pl\u00e1stico, se suele elegir el acero inoxidable 420 por su combinaci\u00f3n de dureza, facilidad de pulido y resistencia a la corrosi\u00f3n. En este caso, generalmente se prefiere el revenido a baja temperatura. Si bien el revenido a alta temperatura puede proporcionar propiedades mec\u00e1nicas \u00fatiles, puede reducir la resistencia a la corrosi\u00f3n.<\/p>\n\n\n\n

En el caso de las cuchillas y las piezas de desgaste, la dureza y la retenci\u00f3n del filo suelen ser los objetivos principales. Se suelen utilizar temperaturas de revenido m\u00e1s bajas. Si la pieza se astilla o se agrieta durante su uso, la soluci\u00f3n no consiste simplemente en aumentar la dureza. Es necesario revisar el m\u00e9todo de temple, la temperatura de revenido, el dise\u00f1o de la pieza y la carga de servicio.<\/p>\n\n\n\n

Para ejes, engranajes, rodillos y piezas mec\u00e1nicas sometidas a carga, la m\u00e1xima dureza puede no ser el objetivo m\u00e1s adecuado. Estas piezas pueden requerir un equilibrio m\u00e1s equilibrado entre dureza y tenacidad. El tratamiento t\u00e9rmico debe ajustarse a las condiciones de carga reales, no solo al valor HRC m\u00e1s alto posible.<\/p>\n\n\n\n

Aobo Steel suministra acero inoxidable 420 en estado recocido para su mecanizado y posterior tratamiento t\u00e9rmico por parte del cliente o de un proveedor local de tratamiento t\u00e9rmico. <\/em><\/p>\n\n\n\n

No ofrecemos servicios de endurecimiento final ni de tratamiento t\u00e9rmico. Los datos sobre tratamiento t\u00e9rmico que se incluyen en esta gu\u00eda se proporcionan como referencia t\u00e9cnica para clientes, fabricantes de herramientas y profesionales del tratamiento t\u00e9rmico.<\/em><\/p>\n\n\n\n

Para obtener informaci\u00f3n sobre el suministro a granel de acero inoxidable 420, tama\u00f1os disponibles y detalles de exportaci\u00f3n, p\u00f3ngase en contacto con nosotros. sales@aobosteel.com<\/a>.<\/em><\/p>\n<\/div><\/div>\n\n\n\n

\n

Preguntas frecuentes<\/h2>\n\n\n\n
\u00bfSe puede someter a tratamiento t\u00e9rmico el acero inoxidable 420?<\/strong>

S\u00ed. El acero inoxidable 420 es un acero inoxidable martens\u00edtico endurecible. Se puede endurecer mediante precalentamiento, austenizaci\u00f3n, temple y revenido. Tras un tratamiento t\u00e9rmico adecuado, el acero inoxidable 420 suele alcanzar una dureza de 46 a 52 HRC en muchas aplicaciones.<\/p> <\/div>

\u00bfC\u00f3mo se realiza el tratamiento t\u00e9rmico del acero inoxidable 420?<\/strong>

Un m\u00e9todo com\u00fan de tratamiento t\u00e9rmico consiste en precalentar el acero inoxidable 420 a unos 650 \u00b0C (1200 \u00b0F), austenizarlo a unos 954-1010 \u00b0C (1750-1850 \u00b0F) y, posteriormente, enfriarlo al aire o en aceite. Tras el enfriamiento, el acero debe ser revenido inmediatamente seg\u00fan la dureza, la tenacidad y la resistencia a la corrosi\u00f3n requeridas.<\/p> <\/div>

\u00bfCu\u00e1l es la temperatura de endurecimiento del acero inoxidable 420?<\/strong>

El rango de temperatura de endurecimiento habitual para el acero inoxidable 420 es de aproximadamente 954\u20131010 \u00b0C (1750\u20131850 \u00b0F). La temperatura exacta debe seleccionarse en funci\u00f3n del tama\u00f1o de la secci\u00f3n, las condiciones del horno, los datos del fabricante del acero y la dureza final requerida.<\/p> <\/div>

\u00bfEl acero inoxidable 420 debe templarse al aire o en aceite?<\/strong>

El acero inoxidable 420 se puede templar al aire o en aceite. El temple al aire suele ser m\u00e1s seguro para piezas complejas, irregulares o de precisi\u00f3n, ya que reduce el riesgo de deformaci\u00f3n y agrietamiento. El temple en aceite se puede utilizar para secciones m\u00e1s gruesas o piezas que requieren un endurecimiento mayor.<\/p> <\/div>

\u00bfCu\u00e1l es la temperatura de revenido para el acero inoxidable 420?<\/strong>

La temperatura de revenido depende de las propiedades finales requeridas. Para obtener mayor dureza y mejor resistencia a la corrosi\u00f3n, el acero inoxidable 420 se suele revenir a temperaturas m\u00e1s bajas. Los puntos de referencia t\u00edpicos son aproximadamente 150 \u00b0C \/ 300 \u00b0F para un m\u00ednimo de 52 HRC, 204 \u00b0C \/ 400 \u00b0F para un m\u00ednimo de 50 HRC y 316 \u00b0C \/ 600 \u00b0F para un m\u00ednimo de 48 HRC.<\/p> <\/div>

\u00bfQu\u00e9 temperatura de revenido debe evitarse para el acero inoxidable 420?<\/strong>

Generalmente, debe evitarse el rango de revenido de 427\u2013566 \u00b0C \/ 800\u20131050 \u00b0F, ya que puede reducir la resistencia al impacto y a la corrosi\u00f3n. Si se requiere mayor tenacidad, se puede utilizar un revenido a unos 593 \u00b0C (1100 \u00b0F) o superior, pero la dureza final ser\u00e1 menor.<\/p> <\/div>

\u00bfQu\u00e9 dureza puede alcanzar el acero inoxidable 420 despu\u00e9s del tratamiento t\u00e9rmico?<\/strong>

El acero inoxidable 420 tratado t\u00e9rmicamente suele alcanzar una dureza de entre 46 y 52 HRC en muchas aplicaciones. La dureza final depende de la temperatura de austenizaci\u00f3n, el m\u00e9todo de temple, la temperatura de revenido, el tama\u00f1o de la secci\u00f3n y el estado del material.<\/p> <\/div>

\u00bfPor qu\u00e9 se debe templar el acero inoxidable 420 inmediatamente despu\u00e9s del enfriamiento?<\/strong>

El acero inoxidable 420 templado es duro pero quebradizo y presenta altas tensiones internas. El revenido poco despu\u00e9s del temple reduce el riesgo de agrietamiento, alivia las tensiones y ajusta la dureza y la tenacidad finales.<\/p> <\/div>

\u00bfEs necesario el doble templado para el acero inoxidable 420?<\/strong>

El doble revenido se recomienda a menudo para piezas cr\u00edticas de acero inoxidable 420, especialmente cuando la estabilidad dimensional, el alivio de tensiones y la dureza uniforme son importantes. La pieza debe enfriarse a temperatura ambiente entre cada ciclo de revenido.<\/p> <\/div>

\u00bfAfecta el tratamiento t\u00e9rmico a la resistencia a la corrosi\u00f3n del acero inoxidable 420?<\/strong>

S\u00ed. El tratamiento t\u00e9rmico afecta tanto a la dureza como a la resistencia a la corrosi\u00f3n. Una protecci\u00f3n superficial deficiente, un enfriamiento lento o un revenido inadecuado pueden reducir la resistencia a la corrosi\u00f3n. Para aplicaciones que requieren dureza y resistencia a la corrosi\u00f3n, generalmente se prefiere el revenido a baja temperatura y un buen control de la atm\u00f3sfera.<\/p> <\/div>

\u00bfEs el acero inoxidable 420 adecuado para moldes de pl\u00e1stico despu\u00e9s del tratamiento t\u00e9rmico?<\/strong>

S\u00ed. El acero inoxidable 420 se puede utilizar para piezas de moldes de pl\u00e1stico cuando se requiere dureza, pulibilidad y una resistencia moderada a la corrosi\u00f3n. Para los moldes, se suele preferir el revenido a baja temperatura, ya que ayuda a mantener la dureza, la pulibilidad y la resistencia a la corrosi\u00f3n.<\/p> <\/div> <\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

420 Stainless Steel Heat Treatment Guide To heat treat 420 stainless steel, preheat the steel to about 650\u00b0C \/ 1200\u00b0F, then austenitize at about 954\u20131010\u00b0C \/ 1750\u20131850\u00b0F, followed by air or oil quenching. After quenching, temper immediately according to the required hardness, toughness, and corrosion resistance. For high-hardness applications, 420 stainless steel is usually tempered […]<\/p>\n","protected":false},"author":1,"featured_media":15291,"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":"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 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420 stainless steel be heat-treated?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. 420 stainless steel is a hardenable martensitic stainless steel. It can be hardened by preheating, austenitizing, quenching, and tempering. After proper heat treatment, 420 stainless steel typically reaches 46\u201352 HRC in many working applications.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639063838\",\"position\":2,\"url\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639063838\",\"name\":\"How do you heat treat 420 stainless steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A common heat treatment route is to preheat 420 stainless steel to about 650\u00b0C \\\/ 1200\u00b0F, then austenitize at about 954\u20131010\u00b0C \\\/ 1750\u20131850\u00b0F, followed by air or oil quenching. After quenching, the steel should be tempered immediately according to the required hardness, toughness, and corrosion resistance.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639064571\",\"position\":3,\"url\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639064571\",\"name\":\"What is the hardening temperature for 420 stainless steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The common hardening temperature range for 420 stainless steel is about 954\u20131010\u00b0C (1750\u20131850\u00b0F). The exact temperature should be selected based on section size, furnace condition, steelmaker data, and the required final hardness.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639065341\",\"position\":4,\"url\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639065341\",\"name\":\"Should 420 stainless steel be air-quenched or oil-quenched?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"420 stainless steel can be quenched in air or oil. Air quenching is often safer for complex, irregular, or precision parts because it reduces the risk of distortion and cracking. Oil quenching may be used for heavier sections or parts requiring a stronger hardening response.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639066067\",\"position\":5,\"url\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639066067\",\"name\":\"What is the tempering temperature for 420 stainless steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The tempering temperature depends on the required final properties. For higher hardness and improved corrosion resistance, 420 stainless steel is typically tempered at lower temperatures. Typical reference points are about 150\u00b0C \\\/ 300\u00b0F for around 52 HRC minimum, 204\u00b0C \\\/ 400\u00b0F for around 50 HRC minimum, and 316\u00b0C \\\/ 600\u00b0F for around 48 HRC minimum.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639066715\",\"position\":6,\"url\":\"https:\\\/\\\/aobosteel.com\\\/420-stainless-steel-heat-treatment\\\/#faq-question-1778639066715\",\"name\":\"What tempering temperature should be avoided for 420 stainless steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The tempering range of 427\u2013566\u00b0C \\\/ 800\u20131050\u00b0F should generally be avoided, as it may reduce impact strength and corrosion resistance. 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puede someter a tratamiento t\u00e9rmico el acero inoxidable 420?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. 420 stainless steel is a hardenable martensitic stainless steel. It can be hardened by preheating, austenitizing, quenching, and tempering. After proper heat treatment, 420 stainless steel typically reaches 46\u201352 HRC in many working applications.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639063838","position":2,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639063838","name":"\u00bfC\u00f3mo se realiza el tratamiento t\u00e9rmico del acero inoxidable 420?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A common heat treatment route is to preheat 420 stainless steel to about 650\u00b0C \/ 1200\u00b0F, then austenitize at about 954\u20131010\u00b0C \/ 1750\u20131850\u00b0F, followed by air or oil quenching. After quenching, the steel should be tempered immediately according to the required hardness, toughness, and corrosion resistance.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639064571","position":3,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639064571","name":"\u00bfCu\u00e1l es la temperatura de endurecimiento del acero inoxidable 420?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The common hardening temperature range for 420 stainless steel is about 954\u20131010\u00b0C (1750\u20131850\u00b0F). The exact temperature should be selected based on section size, furnace condition, steelmaker data, and the required final hardness.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639065341","position":4,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639065341","name":"\u00bfEl acero inoxidable 420 debe templarse al aire o en aceite?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"420 stainless steel can be quenched in air or oil. Air quenching is often safer for complex, irregular, or precision parts because it reduces the risk of distortion and cracking. Oil quenching may be used for heavier sections or parts requiring a stronger hardening response.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639066067","position":5,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639066067","name":"\u00bfCu\u00e1l es la temperatura de revenido para el acero inoxidable 420?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The tempering temperature depends on the required final properties. For higher hardness and improved corrosion resistance, 420 stainless steel is typically tempered at lower temperatures. Typical reference points are about 150\u00b0C \/ 300\u00b0F for around 52 HRC minimum, 204\u00b0C \/ 400\u00b0F for around 50 HRC minimum, and 316\u00b0C \/ 600\u00b0F for around 48 HRC minimum.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639066715","position":6,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639066715","name":"\u00bfQu\u00e9 temperatura de revenido debe evitarse para el acero inoxidable 420?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The tempering range of 427\u2013566\u00b0C \/ 800\u20131050\u00b0F should generally be avoided, as it may reduce impact strength and corrosion resistance. If higher toughness is required, tempering at about 593\u00b0C (1100\u00b0F) or above may be used, but the final hardness will be lower.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639120017","position":7,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639120017","name":"\u00bfQu\u00e9 dureza puede alcanzar el acero inoxidable 420 despu\u00e9s del tratamiento t\u00e9rmico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Heat-treated 420 stainless steel commonly reaches about 46\u201352 HRC in many working applications. Final hardness depends on austenitizing temperature, quenching method, tempering temperature, section size, and material condition.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639120684","position":8,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639120684","name":"\u00bfPor qu\u00e9 se debe templar el acero inoxidable 420 inmediatamente despu\u00e9s del enfriamiento?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"As-quenched 420 stainless steel is hard but brittle and contains high internal stress. Tempering soon after quenching reduces the risk of cracking, relieves stress, and adjusts the final hardness and toughness.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639121988","position":9,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639121988","name":"\u00bfEs necesario el doble templado para el acero inoxidable 420?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Double tempering is often recommended for critical 420 stainless steel parts, especially when dimensional stability, stress relief, and consistent hardness are important. The part should cool to room temperature between tempering cycles.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639154082","position":10,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639154082","name":"\u00bfAfecta el tratamiento t\u00e9rmico a la resistencia a la corrosi\u00f3n del acero inoxidable 420?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. Heat treatment affects both hardness and corrosion resistance. Poor surface protection, slow cooling, or unsuitable tempering can reduce corrosion resistance. For applications requiring hardness and corrosion resistance, low-temperature tempering and good atmosphere control are usually preferred.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639154839","position":11,"url":"https:\/\/aobosteel.com\/420-stainless-steel-heat-treatment\/#faq-question-1778639154839","name":"\u00bfEs el acero inoxidable 420 adecuado para moldes de pl\u00e1stico despu\u00e9s del tratamiento t\u00e9rmico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. 420 stainless steel can be used for plastic mold parts when hardness, polishability, and moderate corrosion resistance are required. For molds, low-temperature tempering is often preferred because it helps maintain hardness, polishability, and corrosion resistance.","inLanguage":"es"},"inLanguage":"es"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"420 Stainless Steel Heat Treatment Guide To heat treat 420 stainless steel, preheat the steel to about 650\u00b0C \/ 1200\u00b0F, then austenitize at about 954\u20131010\u00b0C \/ 1750\u20131850\u00b0F, followed by air or oil quenching. After quenching, temper immediately according to the required hardness, toughness, and corrosion resistance. For high-hardness applications, 420 stainless steel is usually tempered…","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/420-heat-treatment-ad-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"420 Stainless Steel Heat Treatment Guide To heat treat 420 stainless steel, preheat the steel to about 650\u00b0C \/ 1200\u00b0F, then austenitize at about 954\u20131010\u00b0C \/ 1750\u20131850\u00b0F, followed by air or oil quenching. After quenching, temper immediately according to the required hardness, toughness, and corrosion resistance. For high-hardness applications, 420 stainless steel is usually tempered…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/15288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/comments?post=15288"}],"version-history":[{"count":0,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/15288\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media\/15291"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media?parent=15288"}],"curies":[{"name":"gracias","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}