USA AISI S20400 Specialsteel S20400 and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | S20400 | Austenite | AISI | USA | S20400 | 
| C | Si | Mn | P | S | Cr | Ni | N | 
|---|---|---|---|---|---|---|---|
| ≤0.030 | ≤1.00 | 7.00 -9.00 | ≤0.04 | ≤0.03 | 15.0 -17.0 | 1.50 -3.00 | 0.15 -0.30 | 
| 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) | 
|---|---|---|---|---|---|---|
| 381 (≥) | 151 (≥) | 43 | 44 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 12 | - | - | 0.13 | - | |||
| 954 | 812 | - | 42.3 | 212 | - | ||
| 397 | - | 22 | 42.2 | 314 | 131 | 
Heat treated : 1847°C - 1726°C
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