DIN 17460 X8CrNiMoVNb16-13 – Solution Annealed (+AT) Hardenable Austenitic Steel
Hardenable austenitic high temperature special steel with resistance to scaling up to 750 °C and high temperature strength up to 650 °C. Application: steam vessel and turbine manufacturing, in the chemicals industry and petrochemistry, for power plant pipes and in the hardened condition for blades, spindles, screws in the power plant engineering
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.96 g/cm³ |
50.0 °C | 7.95 g/cm³ | |
100.0 °C | 7.93 g/cm³ | |
150.0 °C | 7.9 g/cm³ | |
200.0 °C | 7.88 g/cm³ | |
250.0 °C | 7.86 g/cm³ | |
300.0 °C | 7.84 g/cm³ | |
350.0 °C | 7.82 g/cm³ | |
400.0 °C | 7.79 g/cm³ | |
450.0 °C | 7.77 g/cm³ | |
500.0 °C | 7.75 g/cm³ | |
550.0 °C | 7.72 g/cm³ | |
600.0 °C | 7.7 g/cm³ | |
650.0 °C | 7.67 g/cm³ | |
700.0 °C | 7.65 g/cm³ | |
750.0 °C | 7.62 g/cm³ | |
800.0 °C | 7.6 g/cm³ | |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | -100.0 °C | 206 GPa |
20.0 °C | 196 - 198 GPa | |
50.0 °C | 194.83 GPa | |
100.0 °C | 190 - 192 GPa | |
150.0 °C | 186.88 GPa | |
200.0 °C | 182 - 183 GPa | |
250.0 °C | 178.44 GPa | |
300.0 °C | 174 - 175 GPa | |
350.0 °C | 169.81 GPa | |
400.0 °C | 165.69 - 167 GPa | |
450.0 °C | 161.57 GPa | |
500.0 °C | 157.45 - 159 GPa | |
550.0 °C | 153.43 GPa | |
600.0 °C | 149.5 - 150 GPa | |
650.0 °C | 145.58 GPa | |
700.0 °C | 141.66 - 142 GPa | |
750.0 °C | 138.03 GPa | |
800.0 °C | 134 - 134.3 GPa | |
900.0 °C | 127 GPa | |
1000.0 °C | 120 GPa | |
Elongation | 20.0 °C | 20 - 30 % |
Poisson's ratio | 20.0 °C | 0.28 [-] |
50.0 °C | 0.28 [-] | |
100.0 °C | 0.28 [-] | |
150.0 °C | 0.28 [-] | |
200.0 °C | 0.29 [-] | |
250.0 °C | 0.29 [-] | |
300.0 °C | 0.29 [-] | |
350.0 °C | 0.29 [-] | |
400.0 °C | 0.3 [-] | |
450.0 °C | 0.3 [-] | |
500.0 °C | 0.3 [-] | |
550.0 °C | 0.31 [-] | |
600.0 °C | 0.31 [-] | |
650.0 °C | 0.31 [-] | |
700.0 °C | 0.32 [-] | |
750.0 °C | 0.32 [-] | |
800.0 °C | 0.32 [-] | |
Shear modulus | 20.0 °C | 77.01 GPa |
50.0 °C | 76.13 GPa | |
100.0 °C | 74.56 GPa | |
150.0 °C | 72.79 GPa | |
200.0 °C | 71.02 GPa | |
250.0 °C | 69.26 GPa | |
300.0 °C | 67.39 GPa | |
350.0 °C | 65.63 GPa | |
400.0 °C | 63.86 GPa | |
450.0 °C | 62.1 GPa | |
500.0 °C | 60.43 GPa | |
550.0 °C | 58.76 GPa | |
600.0 °C | 57.09 GPa | |
650.0 °C | 55.43 GPa | |
700.0 °C | 53.86 GPa | |
750.0 °C | 52.29 GPa | |
800.0 °C | 50.72 GPa | |
Tensile strength | 20.0 °C | 540 - 740 MPa |
Yield strength Rp0.2 | 20.0 °C | 225 MPa |
100.0 °C | 215 MPa | |
200.0 °C | 196 MPa | |
300.0 °C | 177 MPa | |
400.0 °C | 167 MPa | |
500.0 °C | 157 MPa | |
550.0 °C | 152 MPa | |
600.0 °C | 147 MPa | |
Yield strength Rp1.0 | 20.0 °C | 295 MPa |
100.0 °C | 245 MPa | |
200.0 °C | 226 MPa | |
300.0 °C | 206 MPa | |
400.0 °C | 196 MPa | |
500.0 °C | 186 MPa | |
550.0 °C | 181 MPa | |
600.0 °C | 177 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 | 1.63E-5 - 1.67E-5 1/K | ||
200.0 °C | 1.68E-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 | 13.3 - 15 W/(m·K) | |
100.0 °C | 14.9 W/(m·K) | ||
200.0 °C | 16.5 W/(m·K) | ||
300.0 °C | 18.1 W/(m·K) | ||
400.0 °C | 19.5 W/(m·K) | ||
500.0 °C | 21 W/(m·K) | ||
600.0 °C | 22.4 W/(m·K) | ||
700.0 °C | 23.8 W/(m·K) | ||
800.0 °C | 25.2 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 3.5 mm²/s | |
100.0 °C | 3.8 mm²/s | ||
200.0 °C | 4 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 | 5.4 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 7.9E-7 - 7.91E-7 Ω·m |
50.0 °C | 8.13E-7 Ω·m | |
100.0 °C | 8.45E-7 Ω·m | |
150.0 °C | 8.87E-7 Ω·m | |
200.0 °C | 9.19E-7 Ω·m | |
250.0 °C | 9.46E-7 Ω·m | |
300.0 °C | 9.77E-7 Ω·m | |
350.0 °C | 1E-6 Ω·m | |
400.0 °C | 1.03E-6 Ω·m | |
450.0 °C | 1.05E-6 Ω·m | |
500.0 °C | 1.08E-6 Ω·m | |
550.0 °C | 1.1E-6 Ω·m | |
600.0 °C | 1.12E-6 Ω·m | |
650.0 °C | 1.13E-6 Ω·m | |
700.0 °C | 1.15E-6 Ω·m | |
750.0 °C | 1.17E-6 Ω·m | |
800.0 °C | 1.18E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.04 - 0.1 % |
Chromium | 15.5 - 17.5 % |
Manganese | 1.5 % |
Molybdenum | 1.1 - 1.5 % |
Nickel | 12.5 - 14.5 % |
Nitrogen | 0.06 - 0.14 % |
Phosphorus | 0.04 % |
Silicon | 0.3 - 0.6 % |
Sulfur | 0.015 % |
Vanadium | 0.6 - 0.85 % |
Metal
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