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EN 10095 X15CrNiSi20-12 Solution-Annealed Steel (+AT) – High‑Temperature Resistance up to 1000°C

The austenitic heat-resistant steel X15CrNiSi20-12, mat. No 1.4828 shows high scaling resistance up to max. 1000°C (highest application temp. in air). The steel has a high resistance to oxidizing athmosphere. Application for oven components, conveyor belts and insert boxes as well as in apparatus engineering, for air preheater, annealing bells.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.77 - 7.9 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 GPa

24.0 °C

193.7 GPa

100.0 °C

190 GPa

149.0 °C

183.2 - 186.2 GPa

200.0 °C

182 GPa

260.0 °C

175.1 - 178.6 GPa

300.0 °C

174 GPa

371.0 °C

166.2 - 169.6 GPa

400.0 °C

166 GPa

483.0 °C

159.3 - 160.7 GPa

500.0 °C

158 GPa

593.0 °C

146.2 - 148.9 GPa

600.0 °C

150 GPa

700.0 °C

142 GPa

704.0 °C

139.3 - 142 GPa

800.0 °C

134 GPa

816.0 °C

110.3 - 122.7 GPa

900.0 °C

127 GPa

1000.0 °C

120 GPa

Elongation

20.0 °C

30 %

Elongation A80

20.0 °C

28 %

Hardness, Brinell

20.0 °C

223 [-]

Poisson's ratio

24.0 °C

0.23 - 0.24 [-]

149.0 °C

0.27 - 0.31 [-]

260.0 °C

0.26 - 0.35 [-]

371.0 °C

0.26 - 0.35 [-]

483.0 °C

0.29 - 0.3 [-]

593.0 °C

0.26 - 0.29 [-]

704.0 °C

0.29 - 0.36 [-]

816.0 °C

0.21 - 0.29 [-]

Shear modulus

24.0 °C

74.5 - 77.9 GPa

149.0 °C

71 - 72.4 GPa

260.0 °C

66.2 - 69.6 GPa

371.0 °C

62.7 - 66.2 GPa

483.0 °C

61.4 - 62.1 GPa

593.0 °C

57.9 GPa

704.0 °C

52.4 - 53.8 GPa

816.0 °C

45.5 - 47.6 GPa

Tensile strength

20.0 °C

550 - 750 MPa

Yield strength Rp0.2

20.0 °C

230 MPa

Yield strength Rp1.0

20.0 °C

270 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

20.0 °C

1.61E-5 1/K

100.0 °C

1.67E-5 1/K

200.0 °C

1.65E-5 - 1.72E-5 1/K

300.0 °C

1.77E-5 1/K

400.0 °C

1.75E-5 - 1.81E-5 1/K

500.0 °C

1.84E-5 1/K

600.0 °C

1.8E-5 - 1.88E-5 1/K

700.0 °C

1.91E-5 1/K

800.0 °C

1.85E-5 - 1.94E-5 1/K

900.0 °C

1.97E-5 1/K

1000.0 °C

1.95E-5 - 2E-5 1/K

Max service temperature, long

0 - 1050 °C

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

20.0 °C

472 - 500 J/(kg·K)

100.0 °C

487 J/(kg·K)

200.0 °C

503 J/(kg·K)

300.0 °C

512 J/(kg·K)

400.0 °C

520 J/(kg·K)

500.0 °C

530 J/(kg·K)

600.0 °C

541 J/(kg·K)

700.0 °C

551 J/(kg·K)

800.0 °C

559 J/(kg·K)

900.0 °C

565 J/(kg·K)

1000.0 °C

571 J/(kg·K)

Thermal conductivity

20.0 °C

12.6 - 15 W/(m·K)

100.0 °C

14.1 W/(m·K)

200.0 °C

15.9 W/(m·K)

300.0 °C

17.4 W/(m·K)

400.0 °C

19 W/(m·K)

500.0 °C

20.5 - 21 W/(m·K)

600.0 °C

21.9 W/(m·K)

700.0 °C

23.3 W/(m·K)

800.0 °C

24.7 W/(m·K)

900.0 °C

26.1 W/(m·K)

1000.0 °C

27.5 W/(m·K)

Thermal diffusivity

20.0 °C

3.4 mm²/s

100.0 °C

3.6 mm²/s

200.0 °C

3.9 mm²/s

300.0 °C

4.3 mm²/s

400.0 °C

4.5 mm²/s

500.0 °C

4.7 mm²/s

600.0 °C

4.8 mm²/s

700.0 °C

5.1 mm²/s

800.0 °C

5.5 mm²/s

900.0 °C

5.8 mm²/s

1000.0 °C

5.9 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.5E-7 - 8.68E-7 Ω·m

100.0 °C

9.21E-7 Ω·m

200.0 °C

9.75E-7 Ω·m

300.0 °C

1.03E-6 Ω·m

400.0 °C

1.08E-6 Ω·m

500.0 °C

1.12E-6 Ω·m

600.0 °C

1.15E-6 Ω·m

700.0 °C

1.18E-6 Ω·m

800.0 °C

1.21E-6 Ω·m

900.0 °C

1.24E-6 Ω·m

1000.0 °C

1.26E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.2 %

Chromium

19 - 21 %

Manganese

2 %

Nickel

11 - 13 %

Nitrogen

0.11 %

Phosphorus

0.05 %

Silicon

1.5 - 2.5 %

Sulfur

0.015 %


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