EN 10269 Grade 42CrMo4 annealed to achieve spheroidized carbides (+AC)

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Description

Steel 42CrMo4 is suitable for high-stress components (also large forged parts) in vehicle, engine and machine engineering with high wear resistance and very favorable core properties ( e.g. crankshafts, pinions, balance shafts). The steel shows a high resistivity to static and dynamic loading. Lowest working temperature -40 °C Further application for mounting elements at increased and lower temperatures.

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por WIAM.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyTemperatureValue

Densidad

20.0 °C

7.83 - 7.85 g/cm³

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Mecánica

PropertyTemperatureValue

Coeficiente de Poisson

20.0 °C

0.28 [-]

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Estricción

20.0 °C

57 %

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Módulo elástico

-100.0 °C

217 GPa

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20.0 °C

212 GPa

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100.0 °C

205 - 207 GPa

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200.0 °C

195 - 199 GPa

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300.0 °C

185 - 192 GPa

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400.0 °C

184 GPa

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500.0 °C

175 GPa

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600.0 °C

164 GPa

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Resistencia a la tracción

20.0 °C

630 MPa

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Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

-100.0 °C

423 J/(kg·K)

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20.0 °C

461 J/(kg·K)

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100.0 °C

479 J/(kg·K)

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200.0 °C

499 J/(kg·K)

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300.0 °C

517 J/(kg·K)

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400.0 °C

536 J/(kg·K)

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500.0 °C

558 J/(kg·K)

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600.0 °C

587 J/(kg·K)

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Coeficiente de dilatación térmica

-100.0 °C

1.05E-5 1/K

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20.0 °C

1.15E-5 1/K

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100.0 °C

1.11E-5 - 1.21E-5 1/K

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200.0 °C

1.21E-5 - 1.27E-5 1/K

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300.0 °C

1.29E-5 - 1.32E-5 1/K

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400.0 °C

1.35E-5 - 1.36E-5 1/K

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500.0 °C

1.4E-5 1/K

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600.0 °C

1.44E-5 1/K

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Conductividad térmica

20.0 °C

45.1 W/(m·K)

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100.0 °C

45.1 W/(m·K)

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200.0 °C

44.1 W/(m·K)

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300.0 °C

41.9 W/(m·K)

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400.0 °C

39.4 W/(m·K)

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500.0 °C

36.9 W/(m·K)

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600.0 °C

34.4 W/(m·K)

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Difusividad térmica

20.0 °C

12.5 mm²/s

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100.0 °C

11.6 mm²/s

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200.0 °C

10.6 mm²/s

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300.0 °C

9.5 mm²/s

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400.0 °C

8.4 mm²/s

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500.0 °C

7.1 mm²/s

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600.0 °C

5.8 mm²/s

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Temperatura de fusión

1382 - 1529 °C

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Typical for Chromium Molybdenum Steel

Temperatura máx. de funcionamiento, largo

-40 - 0 °C

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Eléctrico

PropertyTemperatureValue

Resistividad eléctrica

20.0 °C

2.31E-7 Ω·m

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100.0 °C

2.84E-7 Ω·m

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200.0 °C

3.58E-7 Ω·m

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300.0 °C

4.48E-7 Ω·m

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400.0 °C

5.52E-7 Ω·m

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500.0 °C

6.71E-7 Ω·m

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600.0 °C

8.06E-7 Ω·m

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Chemical properties

PropertyValue

Azufre

0.035 %

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Carbono

0.38 - 0.45 %

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Cromo

0.9 - 1.2 %

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Fósforo

0.03 - 0.04 %

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Manganeso

0.6 - 0.9 %

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Molibdeno

0.15 - 0.3 %

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Silicona

0.4 %

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