Korea KS D 3731 (2002), STR36 Specialsteel Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | STR36 | Austenite | KS | Korea | Heat - resisting steel bars |
C | Si | Mn | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
0.48 -0.58 | ≤0.35 | 8.00 -10.00 | ≤0.040 | 0.04 -0.09 | 20.00 -22.00 | 3.25 -4.50 | ≤ ≥ | 0.35 -0.50 |
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) |
---|---|---|---|---|---|---|
956 (≥) | 347 (≥) | 24 | 43 | 23 | 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 |
---|---|---|---|---|---|---|---|
14 | - | - | 0.14 | - | |||
115 | 791 | - | 34.3 | 323 | - | ||
139 | - | 42 | 11.2 | 242 | 414 |
Heat treated : 1737°C - 1982°C
D 3731 (2002) | Heat - resisting steel bars | D-3731-(2002).pdf |
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