Korea KS D 3731 (2002), D 3732 (2002), STR446 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 | STR446 | Ferrite | KS | Korea | Heat - resisting steel plates and sheets |
C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
---|---|---|---|---|---|---|---|---|---|
≤0.20 | ≤1.00 | ≤1.50 | ≤0.04 | ≤0.03 | 23.00 -27.00 | ≤0.60 | ≤ ≥ | ≤0.25 | ≤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) |
---|---|---|---|---|---|---|
424 (≥) | 428 (≥) | 23 | 13 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 |
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 |
---|---|---|---|---|---|---|---|
43 | - | - | 0.32 | - | |||
329 | 283 | - | 23.3 | 431 | - | ||
771 | - | 13 | 24.2 | 233 | 221 |
Heat treated : 1771°C - 1468°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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