EN 10028-7 Grade X2CrMoTi18-2 solution annealed (+AT)
EN 10028-7 Grade X2CrMoTi18-2 solution annealed (+AT) introduction
The ferritic steel X2CrMoTi18-2 has a high resistance to pitting and stress corrosion. Resistance to intercrystalline corrosion even in welded condition. Suitable for cold forming due to its low solidification tendency.
Application: for cold heading parts, screws, nuts, heat-exchanger tubes and heater
Equivalent material: GB 019Cr19Mo2NbTi, GB S11972, JIS SUS444, KS STS444, ASTM A240Type444, SAE 444, UNS S44400, GB 06Cr17Ni12Mo2, GB S31608, ISO X2CrMoTi18-2, DIN 1.4521, DIN X2CrMoTi18-2, AFNOR Z3CDT18-02, BS X2CrMoTi18-2, AISI 444, JIS SUS444TP, JIS SUS444TB, EN 1.4521, ASTM S44400, ASTM 444
EN 10028-7 Grade X2CrMoTi18-2 solution annealed (+AT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.56 - 7.7 g/cm³ |
EN 10028-7 Grade X2CrMoTi18-2 solution annealed (+AT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
20.0 °C |
Coefficient of thermal expansion of 9.9E-6 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.03E-5 - 1.04E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.08E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.12E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.16E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.19E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.21E-5 1/K |
- |
| - |
700.0 °C |
Coefficient of thermal expansion of 1.24E-5 1/K |
- |
| - |
800.0 °C |
Coefficient of thermal expansion of 1.29E-5 1/K |
- |
| Melting point |
- |
Melting point of 1425 - 1530 °C |
Typical for Ferritic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 430 - 450 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 482 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 506 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 525 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 547 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 576 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 616 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 16 - 23 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 17.2 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 18.6 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 20 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 21.2 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 22.3 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 23.3 W/(m·K) |
- |
| - |
700.0 °C |
Thermal conductivity of 24.1 W/(m·K) |
- |
| - |
800.0 °C |
Thermal conductivity of 25.5 W/(m·K) |
- |
| - |
900.0 °C |
Thermal conductivity of 26.9 W/(m·K) |
- |
| - |
1000.0 °C |
Thermal conductivity of 28.3 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 4.7 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 4.5 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 4.5 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 4.6 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 4.4 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 4.1 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 3.6 mm²/s |
- |
EN 10028-7 Grade X2CrMoTi18-2 solution annealed (+AT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.025 % |
| Chromium |
Chromium of 17 - 20 % |
| Manganese |
Manganese of 1 % |
| Molybdenum |
Molybdenum of 1.8 - 2.5 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
| Titanium |
Titanium of 0.8 % |
EN 10028-7 Grade X2CrMoTi18-2 solution annealed (+AT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 8E-7 - 9.06E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 9.42E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 9.87E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 1.03E-6 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 1.08E-6 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 1.12E-6 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 1.18E-6 Ω·m |
| - |
700.0 °C |
Electrical resistivity of 1.22E-6 Ω·m |
| - |
800.0 °C |
Electrical resistivity of 1.24E-6 Ω·m |
| - |
900.0 °C |
Electrical resistivity of 1.26E-6 Ω·m |
| - |
1000.0 °C |
Electrical resistivity of 1.27E-6 Ω·m |
EN 10028-7 Grade X2CrMoTi18-2 solution annealed (+AT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 218 - 220 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 213 - 215 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 206 - 210 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 198 - 205 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 190 - 195 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 180 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 167 GPa |
- |
| - |
700.0 °C |
Elastic modulus of 150 GPa |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Ferritic Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Ferritic Stainless Steel |
| Yield strength Rp0.2 |
50.0 °C |
Yield strength Rp0.2 of 294 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 250 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 240 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 230 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 220 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 210 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 205 MPa |
- |
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