DIN 17280 Grade X7NiMo6 quenched and tempered (+QT)

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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

7.87 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

209 GPa

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20.0 °C

203 GPa

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100.0 °C

198 GPa

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200.0 °C

191 GPa

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300.0 °C

183 GPa

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400.0 °C

175 GPa

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Elongation

20.0 °C

18 %

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Nickel Molybdenum Steel

Tensile strength

20.0 °C

640 - 840 MPa

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Yield strength

20.0 °C

480 - 490 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.08E-5 1/K

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20.0 °C

1.19E-5 1/K

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100.0 °C

1.23E-5 1/K

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200.0 °C

1.28E-5 1/K

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300.0 °C

1.32E-5 1/K

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400.0 °C

1.35E-5 1/K

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Melting point

1382 - 1529 °C

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Typical for Nickel Molybdenum Steel

Specific heat capacity

-100.0 °C

420 J/(kg·K)

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20.0 °C

463 J/(kg·K)

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100.0 °C

478 J/(kg·K)

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200.0 °C

494 J/(kg·K)

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300.0 °C

510 J/(kg·K)

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400.0 °C

528 J/(kg·K)

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Thermal conductivity

-100.0 °C

25.6 W/(m·K)

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20.0 °C

32 W/(m·K)

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100.0 °C

34.4 W/(m·K)

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200.0 °C

35.7 W/(m·K)

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300.0 °C

35.9 W/(m·K)

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400.0 °C

34.8 W/(m·K)

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Thermal diffusivity

-100.0 °C

8.7 mm²/s

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20.0 °C

8.8 mm²/s

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100.0 °C

9 mm²/s

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200.0 °C

8.7 mm²/s

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300.0 °C

8.3 mm²/s

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400.0 °C

7.5 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

-100.0 °C

2.31E-7 Ω·m

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20.0 °C

3.01E-7 Ω·m

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100.0 °C

3.51E-7 Ω·m

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200.0 °C

4.19E-7 Ω·m

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300.0 °C

4.95E-7 Ω·m

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400.0 °C

5.91E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.1 %

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Manganese

0.6 - 1.4 %

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Molybdenum

0.2 - 0.35 %

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Nickel

5 - 6 %

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Phosphorus

0.03 %

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Silicon

0.35 %

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Sulfur

0.02 %

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Vanadium

0.05 %

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