EN 10095 Grade X15CrNiSi25-4 solution annealed (+AT)

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Description

The heat-resistant steel Stahl X15CrNiSi25-4, mat. No 1.4821 shows a max. resistance up to 1100 °C (highest application temp. in air). The material is resistant to oxidizing, sulfureous gases shows resistance to reducing, sulfureous, carburizing, nitrogenous and oxygen deficient gases. Application in a temp. range of 400 to 500°C and 600 to 850 °C should be avoided due to the embrittlement risk. Permanent application temp. accounts for 900 °C. Application for oven components and fittings, for winding ropes, rails, drums.

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

7.66 - 7.7 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

203 GPa

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100.0 °C

197 GPa

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200.0 °C

190 GPa

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300.0 °C

181 GPa

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400.0 °C

171 GPa

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500.0 °C

158 GPa

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600.0 °C

147 GPa

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700.0 °C

140 GPa

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800.0 °C

135 GPa

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900.0 °C

131 GPa

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1000.0 °C

127 GPa

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Elongation

20.0 °C

16 %

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Elongation, transverse

20.0 °C

12 %

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Hardness, Brinell

20.0 °C

235 [-]

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

600 - 850 MPa

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Tensile strength, transverse

20.0 °C

600 - 850 MPa

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Yield strength Rp0.2

20.0 °C

400 MPa

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Yield strength Rp0.2, transverse

20.0 °C

400 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

1.15E-5 1/K

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100.0 °C

1.18E-5 1/K

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200.0 °C

1.24E-5 - 1.3E-5 1/K

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300.0 °C

1.29E-5 1/K

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400.0 °C

1.32E-5 - 1.35E-5 1/K

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500.0 °C

1.35E-5 1/K

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600.0 °C

1.38E-5 - 1.4E-5 1/K

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700.0 °C

1.4E-5 1/K

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800.0 °C

1.42E-5 - 1.45E-5 1/K

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900.0 °C

1.46E-5 1/K

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1000.0 °C

1.48E-5 - 1.5E-5 1/K

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Max service temperature, long

0 - 950 °C

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

20.0 °C

459 - 500 J/(kg·K)

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100.0 °C

498 J/(kg·K)

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200.0 °C

530 J/(kg·K)

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300.0 °C

549 J/(kg·K)

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400.0 °C

569 J/(kg·K)

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500.0 °C

594 J/(kg·K)

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600.0 °C

632 J/(kg·K)

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700.0 °C

640 J/(kg·K)

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800.0 °C

642 J/(kg·K)

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900.0 °C

643 J/(kg·K)

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1000.0 °C

645 J/(kg·K)

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Thermal conductivity

20.0 °C

17 - 17.2 W/(m·K)

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100.0 °C

18.3 W/(m·K)

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200.0 °C

19.5 W/(m·K)

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300.0 °C

20.8 W/(m·K)

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400.0 °C

21.8 W/(m·K)

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500.0 °C

22.7 - 23 W/(m·K)

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600.0 °C

23.6 W/(m·K)

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700.0 °C

24.9 W/(m·K)

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800.0 °C

26.1 W/(m·K)

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900.0 °C

27.6 W/(m·K)

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1000.0 °C

28.8 W/(m·K)

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Thermal diffusivity

20.0 °C

4.9 mm²/s

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100.0 °C

4.5 mm²/s

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200.0 °C

4.5 mm²/s

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300.0 °C

4.6 mm²/s

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400.0 °C

4.6 mm²/s

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500.0 °C

3.6 mm²/s

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600.0 °C

4.2 mm²/s

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700.0 °C

5.1 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

5.9 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.41E-7 - 9E-7 Ω·m

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100.0 °C

8.89E-7 Ω·m

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200.0 °C

9.47E-7 Ω·m

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300.0 °C

9.91E-7 Ω·m

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400.0 °C

1.05E-6 Ω·m

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500.0 °C

1.1E-6 Ω·m

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600.0 °C

1.15E-6 Ω·m

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700.0 °C

1.18E-6 Ω·m

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800.0 °C

1.21E-6 Ω·m

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900.0 °C

1.23E-6 Ω·m

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1000.0 °C

1.25E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.1 - 0.2 %

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Chromium

24.5 - 26.5 %

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Manganese

2 %

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Nickel

3.5 - 5.5 %

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Nitrogen

0.11 %

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Phosphorus

0.04 %

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Silicon

0.8 - 1.5 %

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Sulfur

0.015 %

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