Korea KS D 4115 (2001), STSF321H 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 | STSF321H | Austenite | KS | Korea | Stainless steel forgings for pressure vessels |
C | Si | Mn | P | S | Cr | Ni | Mo | Ti |
---|---|---|---|---|---|---|---|---|
0.04 -0.10 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.030 | 17.00 -20.00 | 9.00 -13.00 | ≤ ≥ | 4×C% -0.60 |
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) |
---|---|---|---|---|---|---|
698 (≥) | 828 (≥) | 32 | 32 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 |
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 | - | - | 0.32 | - | |||
641 | 615 | - | 11.3 | 413 | - | ||
922 | - | 12 | 22.2 | 144 | 244 |
Heat treated : 1466°C - 1521°C
D 4115 (2001) | Stainless steel forgings for pressure vessels | D-4115-(2001).pdf |
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