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DIN 17460 X3CrNiN18-11 Solution-Annealed Steel (+AT) – High-Temperature Grade for Pressure Vessels

High temperature steel for pressure vessel and steam boiler engineering.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.93 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 198 GPa

100.0 °C

190 - 192 GPa

200.0 °C

182 - 183 GPa

300.0 °C

174 - 175 GPa

400.0 °C

166 - 167 GPa

500.0 °C

158 - 159 GPa

600.0 °C

150 GPa

700.0 °C

142 GPa

800.0 °C

134 GPa

900.0 °C

127 GPa

1000.0 °C

120 GPa

Elongation

20.0 °C

30 - 35 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

500 - 700 MPa

Yield strength Rp0.2

20.0 °C

240 MPa

100.0 °C

185 MPa

200.0 °C

150 MPa

300.0 °C

130 MPa

400.0 °C

120 MPa

500.0 °C

110 MPa

550.0 °C

105 MPa

600.0 °C

100 MPa

Yield strength Rp1.0

20.0 °C

275 MPa

100.0 °C

220 MPa

200.0 °C

175 MPa

300.0 °C

150 MPa

400.0 °C

140 MPa

500.0 °C

130 MPa

550.0 °C

125 MPa

600.0 °C

120 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

1.63E-5 - 1.67E-5 1/K

200.0 °C

1.69E-5 - 1.72E-5 1/K

300.0 °C

1.73E-5 - 1.77E-5 1/K

400.0 °C

1.78E-5 - 1.81E-5 1/K

500.0 °C

1.82E-5 - 1.84E-5 1/K

600.0 °C

1.85E-5 - 1.88E-5 1/K

700.0 °C

1.87E-5 - 1.91E-5 1/K

800.0 °C

1.94E-5 1/K

900.0 °C

1.97E-5 1/K

1000.0 °C

2E-5 1/K

Max service temperature, long

0 - 750 °C

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

20.0 °C

450 - 472 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

14.3 - 17 W/(m·K)

100.0 °C

15.8 W/(m·K)

200.0 °C

17.5 W/(m·K)

300.0 °C

19 W/(m·K)

400.0 °C

20.5 W/(m·K)

500.0 °C

21.9 W/(m·K)

600.0 °C

23.3 W/(m·K)

700.0 °C

24.6 W/(m·K)

800.0 °C

26 W/(m·K)

900.0 °C

27.4 W/(m·K)

1000.0 °C

28.8 W/(m·K)

Thermal diffusivity

20.0 °C

3.8 mm²/s

100.0 °C

4 mm²/s

200.0 °C

4.2 mm²/s

300.0 °C

4.6 mm²/s

400.0 °C

4.8 mm²/s

500.0 °C

4.9 mm²/s

600.0 °C

5 mm²/s

700.0 °C

5.3 mm²/s

800.0 °C

5.6 mm²/s

900.0 °C

5.9 mm²/s

1000.0 °C

6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.1E-7 Ω·m

100.0 °C

7.76E-7 Ω·m

200.0 °C

8.49E-7 Ω·m

300.0 °C

9.14E-7 Ω·m

400.0 °C

9.71E-7 Ω·m

500.0 °C

1.02E-6 Ω·m

600.0 °C

1.07E-6 Ω·m

700.0 °C

1.1E-6 Ω·m

800.0 °C

1.14E-6 Ω·m

900.0 °C

1.17E-6 Ω·m

1000.0 °C

1.19E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.04 %

Chromium

17 - 19 %

Manganese

2 %

Molybdenum

0.2 - 0.5 %

Nickel

9.5 - 11.5 %

Nitrogen

0.1 - 0.18 %

Phosphorus

0.03 %

Silicon

0.75 %

Sulfur

0.015 %


Metal

  1. DIN 17443 X2CrNiMoN18‑15‑4 Solution‑Annealed Stainless Steel – High‑Performance Surgical Grade
  2. EN 10216-5 X3CrNiN18-11: Solution-Annealed Austenitic Stainless Steel (+AT)
  3. DIN 17460 Grade X8CrNiTi18-10 Solution Annealed (+AT) – High‑Temperature Steel for Pressure Vessels & Nuclear Engineering
  4. DIN 17460 X6CrNiMo17-13 – Solution-Annealed Steel for High-Temperature Nuclear & Chemical Applications
  5. DIN 17460 Grade X6CrNi18-11 – Solution-Annealed High-Temperature Steel for Reactor and Chemical Applications
  6. DIN 17460 X3CrNiMoN17-13: Solution-Annealed Steel for High-Temperature Applications
  7. DIN 17460 Grade X5NiCrAlTi31-20 – Solution Annealed Steel for High‑Temperature Applications
  8. DIN 17460 X8CrNiMoVNb16-13 – Solution Annealed (+AT) Hardenable Austenitic Steel
  9. DIN 17460 Grade X8CrNiMoNb16-16 – Solution Annealed for High‑Temperature Applications
  10. DIN 17460 X8CrNiNb16-13: High-Temperature Solution-Annealed Steel for Turbine & Hydrogen Vessel Applications