X2CrNiN18-7 Strain-Hardened Steel (DIN 5512-3) – Superior Corrosion Resistance & Toughness
The steel is used for rail vehicle engineering acc. to the selected standard DIN 5512-3. The corresponding properties of EN 10088 shall be taken. Application examples: skin panels, profiles Remarks: Compared to 1.4301 the steel offers better evenness and toughness at the same strength. Resistant to intercrystalline corrosion in the delivery and the welded condition.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.9 - 7.92 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 206 GPa | |
20.0 °C | 196 - 200 GPa | ||
100.0 °C | 190 - 194 GPa | ||
200.0 °C | 182 - 186 GPa | ||
300.0 °C | 174 - 179 GPa | ||
400.0 °C | 166 - 172 GPa | ||
500.0 °C | 158 - 165 GPa | ||
600.0 °C | 150 GPa | ||
700.0 °C | 142 GPa | ||
800.0 °C | 134 GPa | ||
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 | 1000 - 1150 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 | 1.6E-5 - 1.67E-5 1/K | ||
200.0 °C | 1.65E-5 - 1.72E-5 1/K | ||
300.0 °C | 1.7E-5 - 1.77E-5 1/K | ||
400.0 °C | 1.16E-5 - 1.81E-5 1/K | ||
500.0 °C | 1.8E-5 - 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 | ||
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) | ||
Thermal conductivity | -100.0 °C | 11.7 W/(m·K) | |
20.0 °C | 14.5 - 15 W/(m·K) | ||
100.0 °C | 16 W/(m·K) | ||
200.0 °C | 17.6 W/(m·K) | ||
300.0 °C | 19.1 W/(m·K) | ||
400.0 °C | 20.4 W/(m·K) | ||
500.0 °C | 21.9 W/(m·K) | ||
600.0 °C | 23.3 W/(m·K) | ||
700.0 °C | 24.7 W/(m·K) | ||
800.0 °C | 26.1 W/(m·K) | ||
Thermal diffusivity | -100.0 °C | 3.7 mm²/s | |
20.0 °C | 3.9 mm²/s | ||
100.0 °C | 4.3 mm²/s | ||
200.0 °C | 4.3 mm²/s | ||
300.0 °C | 4.6 mm²/s | ||
400.0 °C | 4.7 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 | 5.7 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | -100.0 °C | 5.86E-7 Ω·m |
20.0 °C | 6.92E-7 - 7.3E-7 Ω·m | |
100.0 °C | 7.58E-7 Ω·m | |
200.0 °C | 8.36E-7 Ω·m | |
300.0 °C | 9.07E-7 Ω·m | |
400.0 °C | 9.73E-7 Ω·m | |
500.0 °C | 1.02E-6 Ω·m | |
600.0 °C | 1.06E-6 Ω·m | |
700.0 °C | 1.1E-6 Ω·m | |
800.0 °C | 1.13E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 16.5 - 18.5 % |
Manganese | 2 % |
Nickel | 6 - 8 % |
Nitrogen | 0.1 - 0.2 % |
Phosphorus | 0.05 % |
Silicon | 1 % |
Sulfur | 0.015 % |
Metal
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