EN 10132-3 Grade 42CrMo4 Annealed/Quenched and Tempered

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Equivalent Materials

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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

PropertyTemperatureValue

Density

23.0 °C

7.83 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

212 GPa

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Elongation

23.0 °C

15 %

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Annealed

Hardness, Rockwell B

23.0 °C

90 [-]

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Annealed

Hardness, Vickers

23.0 °C

340 - 490 [-]

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Quenched and Tempered - Annealed: Max=195

Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Chromium Molybdenum Steel

Tensile strength

23.0 °C

1100 - 1600 MPa

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Quenched and Tempered condition - Annealed condition: Max=620

Yield strength Rp0.2

23.0 °C

480 MPa

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Annealed

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

1.15E-5 1/K

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100.0 °C

1.21E-5 1/K

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200.0 °C

1.27E-5 1/K

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300.0 °C

1.32E-5 1/K

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400.0 °C

1.36E-5 1/K

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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

20.0 °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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Chemical properties

PropertyValue

Carbon

0.38 - 0.45 %

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Chromium

0.9 - 1.2 %

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Manganese

0.5 - 0.8 %

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Molybdenum

0.15 - 0.25 %

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Silicon

0.17 - 0.37 %

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