EN 10277-5 Grade 42CrMoS4 cold drawn or turned and soft annealed

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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.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

Hardness, Brinell

20.0 °C

248 [-]

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Poisson's ratio

20.0 °C

0.28 [-]

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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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