DIN 17205 Grade GS-25CrNiMo4 quenched in a liquid medium and tempered, strength grade I

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Description

The material GS-25 CrNiMo 4 is applicable up to 300 degrees C, in, among other things, the vehicle and gear manufacturing for highly stressed components.

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

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 - 15 %

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Poisson's ratio

20.0 °C

0.29 [-]

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Typical for Nickel Chromium Molybdenum Steel

Tensile strength

20.0 °C

700 - 850 MPa

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Yield strength Rp0.2

20.0 °C

500 - 550 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 Nickel Chromium Molybdenum Steel

Thermal conductivity

20.0 °C

34 - 54 W/(m·K)

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Typical for Nickel Chromium Molybdenum Steel

Chemical properties

PropertyValue

Carbon

0.22 - 0.29 %

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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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Nickel

0.8 - 1.2 %

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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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