Korea KS D 3731 (2002), STR600 Specialsteel Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | STR600 | Martensite | KS | Korea | Heat - resisting steel bars |
C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu | Nb | V |
---|---|---|---|---|---|---|---|---|---|---|---|
0.15 -0.20 | ≤0.50 | 0.50 -1.00 | ≤0.04 | ≤0.03 | 10.00 -13.00 | ≤0.60 | 0.30 -0.90 | ≤ ≥ | ≤0.30 | 0.20 -0.60 | 0.10 -0.40 |
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 (≥) | 632 (≥) | 34 | 43 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 |
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 |
---|---|---|---|---|---|---|---|
31 | - | - | 0.31 | - | |||
961 | 762 | - | 44.3 | 133 | - | ||
777 | - | 34 | 11.2 | 444 | 132 |
Heat treated : 1124°C - 1768°C
D 3731 (2002) | Heat - resisting steel bars | D-3731-(2002).pdf |
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