Germany SEW SEW 390, 1.3817 Specialsteel Non magnetizable steels. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 1.3817 | SEW | Germany | Non magnetizable steels. Technical delivery conditions | 
| C | Si | Mn | P | S | Cr | 
|---|---|---|---|---|---|
| 0.40 -0.55 | ≤0.80 | 17.00 -19.00 | ≤0.100 | ≤0.030 | 3.00 -5.00 | 
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 492 (≥) | 627 (≥) | 43 | 12 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 | 
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν | 
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.21 | - | |||
| 688 | 258 | - | 43.3 | 443 | - | ||
| 593 | - | 31 | 12.2 | 222 | 432 | 
Heat treated : 1877°C - 1992°C
| SEW 390 | Non magnetizable steels. Technical delivery conditions | SEW-390.pdf | 
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