EN 10277-5 Grade 42CrMoS4 cold drawn or turned and quenched and tempered

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Description

Steel 42 CrMoS 4 is suitable for high loaded parts of high wear resistance and very favorable core qualities as well as enhanced workability in vehicle manufacturing, engine and machine engineering (e.g. crankshafts, pinions, balancer shafts). The steel has a high specific static and dynamic load resistance. Lowest application temp. -40 °C.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

7.8 - 7.9 g/cm³

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Typical for Chromium Molybdenum Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

200 - 215 GPa

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Typical for Chromium Molybdenum Steel

Elongation

20.0 °C

10 - 12 %

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Poisson's ratio

20.0 °C

0.28 [-]

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Reduction of area

20.0 °C

40 - 50 %

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Tensile strength

20.0 °C

900 - 1300 MPa

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Yield strength

20.0 °C

650 - 900 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.1E-5 - 1.4E-5 1/K

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Typical for Chromium Molybdenum Steel

Max service temperature, long

-40 - 0 °C

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Melting point

1382 - 1529 °C

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Typical for Chromium Molybdenum Steel

Specific heat capacity

23.0 °C

448 - 502 J/(kg·K)

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Typical for Chromium Molybdenum Steel

Thermal conductivity

23.0 °C

36 - 43 W/(m·K)

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Typical for Chromium Molybdenum Steel

Chemical properties

PropertyValue

Carbon

0.38 - 0.45 %

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Chromium

0.9 - 1.2 %

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Manganese

0.6 - 0.9 %

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Molybdenum

0.15 - 0.3 %

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Phosphorus

0.04 %

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Silicon

0.4 %

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Sulfur

0.02 - 0.035 %

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