SEW 400 Grade X2CrMoNb18-2 soft annealed (+A)
SEW 400 Grade X2CrMoNb18-2 soft annealed (+A) introduction
Properties:
- ferritic steel with small tendency to solidificate
- tends heat treatment wiht following cold forming strongly to the coarse grain formation
- corrosion resistant in oxidising and sour media, insensitively to crack corrosion
- due to the good magnetic characteristics also for magnetic valves
Application:
- in chemistry and food industry as cold-upset joining element
Equivalent material: EN X2CrMoNb18-2, DIN 1.4522, EN 1.4522
SEW 400 Grade X2CrMoNb18-2 soft annealed (+A) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.56 - 7.7 g/cm³ |
SEW 400 Grade X2CrMoNb18-2 soft annealed (+A) 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 15 - 16 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 | - |
SEW 400 Grade X2CrMoNb18-2 soft annealed (+A) chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.025 % |
| Chromium | Chromium of 17 - 19 % |
| Manganese | Manganese of 1 % |
| Molybdenum | Molybdenum of 1.8 - 2.3 % |
| Nickel | Nickel of 0.25 % |
| Phosphorus | Phosphorus of 0.05 % |
| Silicon | Silicon of 1 % |
| Sulfur | Sulfur of 0.03 % |
SEW 400 Grade X2CrMoNb18-2 soft annealed (+A) 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 |
SEW 400 Grade X2CrMoNb18-2 soft annealed (+A) mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Elastic modulus | 20.0 °C | Elastic modulus of 218 - 220 GPa | - |
| - | 100.0 °C | Elastic modulus of 213 - 216 GPa | - |
| - | 200.0 °C | Elastic modulus of 206 - 209 GPa | - |
| - | 300.0 °C | Elastic modulus of 198 - 200 GPa | - |
| - | 400.0 °C | Elastic modulus of 190 - 192 GPa | - |
| - | 500.0 °C | Elastic modulus of 180 - 183 GPa | - |
| - | 600.0 °C | Elastic modulus of 167 GPa | - |
| - | 700.0 °C | Elastic modulus of 150 GPa | - |
| Elongation | 20.0 °C | Elongation of 20 % | - |
| Hardness, Brinell | 20.0 °C | Hardness, Brinell of 200 [-] | - |
| 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 |
| Tensile strength | 20.0 °C | Tensile strength of 450 - 650 MPa | - |
| Yield strength Rp0.2 | 20.0 °C | Yield strength Rp0.2 of 320 MPa | - |
| - | 50.0 °C | Yield strength Rp0.2 of 300 MPa | - |
| - | 100.0 °C | Yield strength Rp0.2 of 280 MPa | - |
| - | 150.0 °C | Yield strength Rp0.2 of 260 MPa | - |
| - | 200.0 °C | Yield strength Rp0.2 of 245 MPa | - |
| - | 250.0 °C | Yield strength Rp0.2 of 230 MPa | - |
| - | 300.0 °C | Yield strength Rp0.2 of 220 MPa | - |
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