DIN 17205 Grade GS-42CrMo4 air quenched and tempered

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Description

The material GS-42 CrMo 4 is applicable up to 300 degrees C, for, among other things, e.g. toggle levers, crane wheels, bevel gears, chain links, ripper teeth, drive tumbler wheels, liners of crushing and screening machines. The cast material is suitable for surface hardening.

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

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

211 GPa

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100.0 °C

204 GPa

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200.0 °C

196 GPa

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300.0 °C

186 GPa

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Elongation

20.0 °C

10 %

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Chromium Molybdenum Steel

Tensile strength

20.0 °C

650 - 850 MPa

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Yield strength Rp0.2

20.0 °C

320 - 400 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.1E-5 1/K

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200.0 °C

1.2E-5 1/K

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300.0 °C

1.3E-5 1/K

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Max service temperature, long

0 - 300 °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

0.8 - 1.2 %

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Manganese

0.6 - 1 %

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Molybdenum

0.2 - 0.3 %

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Phosphorus

0.02 %

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Silicon

0.6 %

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Sulfur

0.015 %

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