Korea KS D 3731 (2002), STR616 Specialsteel Heat - resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | STR616 | Martensite | KS | Korea | Heat - resisting steel bars |
C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu | W | V |
---|---|---|---|---|---|---|---|---|---|---|---|
0.20 -0.25 | ≤0.50 | 0.50 -1.00 | ≤0.04 | ≤0.03 | 11.00 -13.00 | 0.50 -1.00 | 0.75 -1.25 | ≤ ≥ | ≤0.30 | 0.75 -1.25 | 0.20 -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) |
---|---|---|---|---|---|---|
942 (≥) | 155 (≥) | 24 | 21 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 |
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 | - | - | 0.14 | - | |||
895 | 484 | - | 42.3 | 443 | - | ||
269 | - | 14 | 31.2 | 244 | 112 |
Heat treated : 1196°C - 1484°C
D 3731 (2002) | Heat - resisting steel bars | D-3731-(2002).pdf |
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