25CrMo4 (1.7218 / 1.7213) | Acero Aleado Temple y Revenido

Acero 25CrMo4 (1.7218 / 1.7213) según DIN EN 10083-3

El acero 25CrMo4 (designación numérica 1.7218 / 1.7213) es un acero aleado para temple y revenido conforme a la norma DIN EN 10083-3. SHUNFU STEEL suministra este grado en diversos estados de tratamiento térmico y formas de producto: barras, redondos, piezas forjadas y productos planos, cumpliendo los requisitos de la norma europea y con certificación de inspección según EN 10204.

Composición química (análisis de colada)

Tabla 3, DIN EN 10083-3 — Composición química del acero 25CrMo4 (% en masa)
Elemento% en masa
C0,22 a 0,29
Si≤ 0,40
Mn0,60 a 0,90
P≤ 0,025
S≤ 0,035 (25CrMo4) / 0,020 a 0,040 (25CrMoS4)
Cr0,90 a 1,20
Mo0,15 a 0,30

Elementos no indicados no deben ser añadidos intencionadamente. Todos los aceros son calmados (killed).

Propiedades mecánicas en estado templado y revenido (+QT)

Tabla 8, DIN EN 10083-3 — Propiedades mecánicas del acero 25CrMo4 a temperatura ambiente
Sección de referencia Re min. (MPa) Rm (MPa) A min. (%) Z min. (%) KV min. (J)
d≤16/t≤8700900 a 1.1001250—
16600800 a 950145550
40450700 a 850156050
100400650 a 800166045

Tratamiento térmico

Temperatura de temple (austenización)
840 a 900 °C
Medio de temple
agua o aceite
Temperatura de revenido
540 a 680 °C
Temperatura para ensayo Jominy
850 ± 5 °C

Periodo de austenización: mínimo 30 min (valor orientativo). Periodo de revenido: mínimo 60 min (valor orientativo).

Dureza en estado de suministro

Tabla 7, DIN EN 10083-3 — Dureza máxima en estado de suministro
Estado +S (tratado para mejorar la cizallabilidad)Estado +A (recocido blando)
255 HBW212 HBW

Aplicaciones típicas

El acero 25CrMo4 se utiliza ampliamente en la fabricación de calderería a presión, recipientes, tuberías para la industria petroquímica y petrolera, componentes soldados que requieren alta tenacidad a temperaturas elevadas. Gracias a su combinación de resistencia, tenacidad y templabilidad, es una elección frecuente para piezas que requieren un tratamiento de temple y revenido para alcanzar sus propiedades óptimas de servicio.

Entre las aplicaciones relacionadas, SHUNFU STEEL también suministra:

Solicite la ficha técnica del acero 25CrMo4

Para obtener la ficha técnica completa del acero 25CrMo4 con los valores de templabilidad Jominy (+H, +HH, +HL), tolerancias dimensionales y condiciones de suministro, no dude en contactar con nuestro equipo técnico. Disponemos de stock en distintos diámetros y estados de tratamiento.

Preguntas frecuentes sobre el acero 25CrMo4

¿Qué norma regula el acero 25CrMo4?

El acero 25CrMo4 está regulado por la norma DIN EN 10083-3, que establece las condiciones técnicas de suministro para aceros aleados de temple y revenido.

¿En qué condiciones de suministro está disponible?

El acero 25CrMo4 puede suministrarse en estado bruto de laminación (+U o sin tratar), tratado para mejorar la cizallabilidad (+S), recocido blando (+A) o templado y revenido (+QT), según la forma del producto y lo acordado en el pedido.

¿Qué certificaciones ofrece SHUNFU STEEL para este acero?

SHUNFU STEEL suministra el acero 25CrMo4 con certificados de inspección 3.1 o 3.2 según EN 10204. Nuestra empresa cuenta con certificación API Q1 e ISO 9001, siendo proveedor Tier-1 de las principales empresas de servicios petroleros a nivel mundial.

¿Se puede suministrar con requisitos de templabilidad (+H, +HH, +HL)?

Sí. El acero 25CrMo4 puede pedirse con requisitos de templabilidad normal (+H), banda restringida superior (+HH) o banda restringida inferior (+HL), según lo especificado en las Tablas 5 y 6 de la norma DIN EN 10083-3.

Solicite un presupuesto para acero 25CrMo4

SHUNFU STEEL es fabricante y exportador global de aceros aleados y especiales para los sectores de petróleo y gas, minería y generación de energía. Si necesita acero 25CrMo4 según DIN EN 10083-3, con plazos de entrega competitivos y certificación completa, escríbanos a info.es@shunfusteel.com y nuestro equipo técnico-comercial le responderá en menos de 24 horas.

También le puede interesar nuestra gama de aleaciones de níquel y tubos de precisión para aplicaciones exigentes.

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