EN 10222-3 Grade X8Ni9 normalized, normalized and tempered (+N+NT)

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Description

Low-temperature nickel steel forging for pressure purposes.,The nickel-alloyed cryogenic material X8Ni9, materia number 1.5662 is used in pressure vessel construction. Application for refrigerators, gearbox parts and components in machine and apparatus engineering which are exposed to temperatures up to -200 °C.

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

7.88 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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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

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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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

0.005 - 0.01 %

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Vanadium

0.05 %

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