EN 10269 Grade X8Ni9 normalized, normalized and tempered (+N+NT)

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Description

Quenched and tempered steel for fasteners with specified elevated and/or low temperature properties,Low-temperature Ni-alloyed steel for pressure vessel construction, for refrigerators, gearbox parts and components in machine and apparatus engineering which are exposed temperatures up to -200 °C Further application for mounting elements at lower temperatures.

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

7.88 g/cm³

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27.0 °C

7.84 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

-269.0 °C

205.5 GPa

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-200.0 °C

205.2 GPa

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-150.0 °C

203.4 GPa

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-100.0 °C

201 - 201.4 GPa

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-50.0 °C

198.9 GPa

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20.0 °C

195 GPa

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27.0 °C

195.1 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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Poisson's ratio

-269.0 °C

0.29 [-]

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-200.0 °C

0.29 [-]

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-150.0 °C

0.29 [-]

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-100.0 °C

0.29 [-]

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-50.0 °C

0.29 [-]

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27.0 °C

0.29 [-]

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Reduction of area

20.0 °C

50 %

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Shear modulus

-269.0 °C

80 GPa

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-200.0 °C

79.8 GPa

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-150.0 °C

79 GPa

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-100.0 °C

78.2 GPa

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-50.0 °C

77.1 GPa

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27.0 °C

75.4 GPa

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Tensile strength

20.0 °C

640 - 840 MPa

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Yield strength Rp0.2

20.0 °C

480 - 490 MPa

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Thermal

PropertyTemperatureValue

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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Max service temperature, long

-200 - 0 °C

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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

8.5 - 10 %

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Phosphorus

0.02 %

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Silicon

0.35 %

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Sulfur

0.01 %

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Vanadium

0.05 %

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