EN 10216-5 Grade X8CrNiMoNb16-16 Solution-Annealed Steel: High-Temperature Resistance & Superior Creep Performance
Fully austenitic high temperature special steel which is resistant to scaling up to 750 degrees C and has a good creep resistance up to 700 degrees C. Used in steam and gas turbine construction (shovels, flanges, valves, nozzles, casings and bolts), for parts in the reactor technology and in the petrochemical industry.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8.01 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 206 GPa | |
20.0 °C | 196 GPa | ||
100.0 °C | 190 GPa | ||
200.0 °C | 182 GPa | ||
300.0 °C | 174 GPa | ||
400.0 °C | 166 GPa | ||
500.0 °C | 158 GPa | ||
600.0 °C | 150 GPa | ||
700.0 °C | 142 GPa | ||
800.0 °C | 134 GPa | ||
Elongation | 20.0 °C | 35 % | |
Elongation, transverse | 20.0 °C | 22 % | |
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 | 530 - 690 MPa | |
Tensile strength, transverse | 20.0 °C | 530 - 690 MPa | |
Yield strength Rp0.2 | 20.0 °C | 215 MPa | |
100.0 °C | 195 MPa | ||
200.0 °C | 177 MPa | ||
300.0 °C | 157 MPa | ||
400.0 °C | 147 MPa | ||
500.0 °C | 137 MPa | ||
550.0 °C | 137 MPa | ||
600.0 °C | 132 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 215 MPa | |
Yield strength Rp1.0 | 20.0 °C | 255 MPa | |
100.0 °C | 225 MPa | ||
200.0 °C | 206 MPa | ||
300.0 °C | 186 MPa | ||
400.0 °C | 177 MPa | ||
500.0 °C | 167 MPa | ||
550.0 °C | 167 MPa | ||
600.0 °C | 162 MPa | ||
Yield strength Rp1.0, transverse | 20.0 °C | 255 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
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 | 1.72E-5 1/K | ||
300.0 °C | 1.77E-5 1/K | ||
400.0 °C | 1.81E-5 1/K | ||
500.0 °C | 1.84E-5 1/K | ||
600.0 °C | 1.88E-5 1/K | ||
700.0 °C | 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 | ||
Melting point | 1230 - 1480 °C | Typical for Austenitic Stainless Steel | |
Specific heat capacity | -100.0 °C | 440 J/(kg·K) | |
20.0 °C | 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 | 13.5 W/(m·K) | |
100.0 °C | 14.9 W/(m·K) | ||
200.0 °C | 16.7 W/(m·K) | ||
300.0 °C | 18.3 W/(m·K) | ||
400.0 °C | 19.8 W/(m·K) | ||
500.0 °C | 21.3 W/(m·K) | ||
600.0 °C | 22.7 W/(m·K) | ||
700.0 °C | 24.2 W/(m·K) | ||
800.0 °C | 25.6 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 3.6 mm²/s | |
100.0 °C | 3.7 mm²/s | ||
200.0 °C | 4 mm²/s | ||
300.0 °C | 4.4 mm²/s | ||
400.0 °C | 4.6 mm²/s | ||
500.0 °C | 4.7 mm²/s | ||
600.0 °C | 4.9 mm²/s | ||
700.0 °C | 5.2 mm²/s | ||
800.0 °C | 5.5 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 7.75E-7 Ω·m |
100.0 °C | 8.42E-7 Ω·m | |
200.0 °C | 9.04E-7 Ω·m | |
300.0 °C | 9.62E-7 Ω·m | |
400.0 °C | 1.01E-6 Ω·m | |
500.0 °C | 1.06E-6 Ω·m | |
600.0 °C | 1.1E-6 Ω·m | |
700.0 °C | 1.13E-6 Ω·m | |
800.0 °C | 1.16E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.04 - 0.1 % |
Chromium | 15.5 - 17.5 % |
Manganese | 1.5 % |
Molybdenum | 1.6 - 2 % |
Nickel | 15.5 - 17.5 % |
Niobium | 1.2 % |
Phosphorus | 0.04 % |
Silicon | 0.3 - 0.6 % |
Sulfur | 0.015 % |
Metal
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