Korea KS D 3731 (2002), D 3732 (2002), STR330 Specialsteel Heat - resisting steel plates and sheets and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | STR330 | Austenite | KS | Korea | Heat - resisting steel plates and sheets |
| C | Si | Mn | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|
| ≤0.15 | ≤1.50 | ≤2.00 | ≤0.040 | ≤0.030 | 14.00 -17.00 | 33.00 -37.00 | ≤ ≥ | ≤ ≥ |
| 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) |
|---|---|---|---|---|---|---|
| 638 (≥) | 927 (≥) | 32 | 44 | 31 | 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 |
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.13 | - | |||
| 485 | 352 | - | 33.3 | 323 | - | ||
| 294 | - | 33 | 13.2 | 233 | 213 |
Heat treated : 1188°C - 1796°C
| D 3731 (2002) | Heat - resisting steel bars | D-3731-(2002).pdf |
| D 3732 (2002) | Heat - resisting steel plates and sheets | D-3732-(2002).pdf |
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