EN 10095 Grade X15CrNiSi25-21 solution annealed (+AT)

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Description

X15CrNiSi25-20 shows scaling resistance up to max. 1150°C (highest application temp. in air). The steel is slightly resistant in reducing, sulfureous and carburizing athmosphere. Sigma phase embrittlement at temperatures of 600 to 900°C. Application for parts of heat-treatment furnaces, pyrolysis appliances and glass pressing forms.

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

7.76 - 7.9 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-269.0 °C

205.5 GPa

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-195.0 °C

205.5 GPa

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-100.0 °C

206 GPa

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20.0 °C

196 GPa

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27.0 °C

143.7 GPa

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100.0 °C

190 GPa

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200.0 °C

182 GPa

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300.0 °C

174 GPa

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400.0 °C

166 GPa

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500.0 °C

158 GPa

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600.0 °C

150 GPa

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700.0 °C

142 GPa

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800.0 °C

134 GPa

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900.0 °C

127 GPa

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1000.0 °C

120 GPa

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Elongation

20.0 °C

30 %

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Elongation A80

20.0 °C

28 %

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Hardness, Brinell

20.0 °C

223 [-]

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Poisson's ratio

-269.0 °C

0.3 [-]

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-195.0 °C

0.3 [-]

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20.0 °C

0.3 [-]

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27.0 °C

0.29 [-]

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Shear modulus

23.0 °C

77 GPa

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Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

550 - 750 MPa

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Yield strength Rp0.2

20.0 °C

230 MPa

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Yield strength Rp1.0

20.0 °C

270 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

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20.0 °C

1.61E-5 1/K

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100.0 °C

1.67E-5 1/K

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200.0 °C

1.55E-5 - 1.72E-5 1/K

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300.0 °C

1.77E-5 1/K

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400.0 °C

1.7E-5 - 1.81E-5 1/K

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500.0 °C

1.84E-5 1/K

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600.0 °C

1.75E-5 - 1.88E-5 1/K

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700.0 °C

1.91E-5 1/K

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800.0 °C

1.8E-5 - 1.94E-5 1/K

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900.0 °C

1.97E-5 1/K

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1000.0 °C

1.9E-5 - 2E-5 1/K

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Max service temperature, long

0 - 1150 °C

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

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20.0 °C

472 - 500 J/(kg·K)

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100.0 °C

487 J/(kg·K)

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200.0 °C

503 J/(kg·K)

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300.0 °C

512 J/(kg·K)

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400.0 °C

520 J/(kg·K)

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500.0 °C

530 J/(kg·K)

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600.0 °C

541 J/(kg·K)

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700.0 °C

551 J/(kg·K)

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800.0 °C

559 J/(kg·K)

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900.0 °C

565 J/(kg·K)

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1000.0 °C

571 J/(kg·K)

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Thermal conductivity

20.0 °C

11.9 - 15 W/(m·K)

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100.0 °C

13.3 W/(m·K)

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200.0 °C

15.1 W/(m·K)

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300.0 °C

16.7 W/(m·K)

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400.0 °C

18.3 W/(m·K)

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500.0 °C

19 - 19.8 W/(m·K)

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600.0 °C

21.3 W/(m·K)

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700.0 °C

22.8 W/(m·K)

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800.0 °C

24.3 W/(m·K)

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900.0 °C

25.7 W/(m·K)

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1000.0 °C

27.1 W/(m·K)

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Thermal diffusivity

20.0 °C

3.3 mm²/s

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100.0 °C

3.4 mm²/s

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200.0 °C

3.7 mm²/s

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300.0 °C

4.1 mm²/s

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400.0 °C

4.3 mm²/s

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500.0 °C

4.5 mm²/s

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600.0 °C

4.7 mm²/s

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700.0 °C

5 mm²/s

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800.0 °C

5.4 mm²/s

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900.0 °C

5.7 mm²/s

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1000.0 °C

5.8 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

9E-7 - 9.59E-7 Ω·m

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100.0 °C

1.01E-6 Ω·m

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200.0 °C

1.05E-6 Ω·m

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300.0 °C

1.1E-6 Ω·m

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400.0 °C

1.13E-6 Ω·m

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500.0 °C

1.17E-6 Ω·m

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600.0 °C

1.19E-6 Ω·m

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700.0 °C

1.22E-6 Ω·m

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800.0 °C

1.24E-6 Ω·m

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900.0 °C

1.26E-6 Ω·m

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1000.0 °C

1.28E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.2 %

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Chromium

24 - 26 %

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Manganese

2 %

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Nickel

19 - 22 %

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Nitrogen

0.11 %

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Phosphorus

0.05 %

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Silicon

1.5 - 2.5 %

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Sulfur

0.015 %

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