DIN 17174 Grade X8Ni9 quenched and tempered (+QT)

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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

7.88 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

201 GPa

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20.0 °C

195 GPa

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100.0 °C

190 GPa

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200.0 °C

184 GPa

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300.0 °C

178 GPa

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400.0 °C

170 GPa

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Elongation

20.0 °C

18 %

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Elongation, transverse

20.0 °C

16 %

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Nickel Steel

Shear modulus

23.0 °C

76 GPa

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Typical for Nickel Steel

Tensile strength

20.0 °C

640 - 840 MPa

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Tensile strength, transverse

20.0 °C

640 - 840 MPa

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Yield strength

20.0 °C

480 - 490 MPa

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Yield strength, transverse

20.0 °C

480 - 490 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.02E-5 1/K

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20.0 °C

1.1E-5 1/K

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100.0 °C

1.14E-5 1/K

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200.0 °C

1.18E-5 1/K

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300.0 °C

1.21E-5 1/K

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400.0 °C

1.25E-5 1/K

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Melting point

1316 - 1595 °C

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Typical for Nickel Steel

Specific heat capacity

-100.0 °C

442 J/(kg·K)

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20.0 °C

464 J/(kg·K)

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100.0 °C

479 J/(kg·K)

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200.0 °C

495 J/(kg·K)

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300.0 °C

511 J/(kg·K)

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400.0 °C

528 J/(kg·K)

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Thermal conductivity

-100.0 °C

23.9 W/(m·K)

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20.0 °C

30.2 W/(m·K)

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100.0 °C

32.8 W/(m·K)

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200.0 °C

34.4 W/(m·K)

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300.0 °C

34.7 W/(m·K)

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400.0 °C

34 W/(m·K)

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Thermal diffusivity

20.0 °C

8.3 mm²/s

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100.0 °C

8.5 mm²/s

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200.0 °C

8.4 mm²/s

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300.0 °C

8 mm²/s

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400.0 °C

7.3 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

-100.0 °C

2.51E-7 Ω·m

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20.0 °C

3.22E-7 Ω·m

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100.0 °C

3.73E-7 Ω·m

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200.0 °C

4.4E-7 Ω·m

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300.0 °C

5.19E-7 Ω·m

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400.0 °C

6.13E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.1 %

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Manganese

0.3 - 0.8 %

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Molybdenum

0.1 %

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Nickel

8 - 10 %

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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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