EN 10028-7 Grade X2CrNi12: Solution-Annealed Steel with Superior Corrosion Resistance
The material X2CrNi12 is an ferritic steel of considerably higher corrosion resistance than general construction steels, but more cost-efficient than high-alloyed stainless steels. The corrosion resistance is comparable to the one of 13% Cr-steels. X2CrNi12 is unsuitable for higher corrosion requirements. Beside its sufficient corrosion resistance and favorable abrasion resistance the steel shows high static and dynamic strength values and ease of workability. Its not resistant to intercrystalline corrosion. Application: in transportation (construction of busses and containers), in agrarian and conveying engineering, civil engineering, e.g. for frameworks and front elements as well as in the mechanical and apparatus engineering
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.7 - 7.77 g/cm³ |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | 20.0 °C | 211.67 - 220 GPa |
100.0 °C | 213 - 215 GPa | |
200.0 °C | 206 - 210 GPa | |
300.0 °C | 198 - 205 GPa | |
400.0 °C | 190 - 195 GPa | |
500.0 °C | 180 GPa | |
600.0 °C | 167 GPa | |
700.0 °C | 150 GPa | |
Poisson's ratio | 20.0 °C | 0.3 [-] |
Shear modulus | 20.0 °C | 81.7 GPa |
Yield strength Rp0.2 | 50.0 °C | 265 MPa |
100.0 °C | 240 MPa | |
150.0 °C | 235 MPa | |
200.0 °C | 230 MPa | |
250.0 °C | 220 MPa | |
300.0 °C | 215 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1E-5 1/K | |
20.0 °C | 1.08E-5 1/K | ||
100.0 °C | 1.04E-5 - 1.13E-5 1/K | ||
200.0 °C | 1.08E-5 - 1.18E-5 1/K | ||
300.0 °C | 1.12E-5 - 1.23E-5 1/K | ||
400.0 °C | 1.16E-5 - 1.27E-5 1/K | ||
500.0 °C | 1.19E-5 - 1.3E-5 1/K | ||
600.0 °C | 1.32E-5 1/K | ||
700.0 °C | 1.33E-5 1/K | ||
Melting point | 1425 - 1530 °C | Typical for Ferritic Stainless Steel | |
Specific heat capacity | 20.0 °C | 429 - 430 J/(kg·K) | |
100.0 °C | 464 J/(kg·K) | ||
200.0 °C | 492 J/(kg·K) | ||
300.0 °C | 511 J/(kg·K) | ||
400.0 °C | 531 J/(kg·K) | ||
500.0 °C | 554 J/(kg·K) | ||
600.0 °C | 585 J/(kg·K) | ||
700.0 °C | 626 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 20.7 - 25 W/(m·K) | |
100.0 °C | 22.6 W/(m·K) | ||
200.0 °C | 24.4 W/(m·K) | ||
300.0 °C | 25.8 W/(m·K) | ||
400.0 °C | 26.9 W/(m·K) | ||
500.0 °C | 27.8 W/(m·K) | ||
600.0 °C | 28.5 W/(m·K) | ||
700.0 °C | 28.8 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 6.2 mm²/s | |
100.0 °C | 5.9 mm²/s | ||
200.0 °C | 6 mm²/s | ||
300.0 °C | 6 mm²/s | ||
400.0 °C | 5.7 mm²/s | ||
500.0 °C | 5.4 mm²/s | ||
600.0 °C | 4.8 mm²/s | ||
700.0 °C | 4 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 5.03E-7 - 6E-7 Ω·m |
100.0 °C | 5.67E-7 Ω·m | |
200.0 °C | 6.47E-7 Ω·m | |
300.0 °C | 7.27E-7 Ω·m | |
400.0 °C | 8.09E-7 Ω·m | |
500.0 °C | 8.9E-7 Ω·m | |
600.0 °C | 9.72E-7 Ω·m | |
700.0 °C | 1.06E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 10.5 - 12.5 % |
Manganese | 1.5 % |
Nickel | 0.3 - 1 % |
Nitrogen | 0.03 % |
Phosphorus | 0.04 % |
Silicon | 1 % |
Sulfur | 0.015 % |
Metal
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