Korea KS D 4115 (2001), STSF304N Specialsteel Stainless steel forgings for pressure vessels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | STSF304N | Austenite | KS | Korea | Stainless steel forgings for pressure vessels |
| C | Si | Mn | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|
| ≤0.08 | ≤0.75 | ≤2.00 | ≤0.040 | ≤0.030 | 18.00 -20.00 | 8.00 -11.00 | ≤ ≥ | 0.10 -0.16 |
| 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) |
|---|---|---|---|---|---|---|
| 775 (≥) | 236 (≥) | 24 | 14 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
| 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 |
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.42 | - | |||
| 396 | 694 | - | 21.3 | 431 | - | ||
| 319 | - | 42 | 41.2 | 244 | 142 |
Heat treated : 1438°C - 1298°C
| D 4115 (2001) | Stainless steel forgings for pressure vessels | D-4115-(2001).pdf |
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