China GB GH1139 Superalloys Iron-based superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Superalloys | GH1139 | GB | China | Iron-based superalloy |
C | Cr | Ni | B | Mn | Si | N |
---|---|---|---|---|---|---|
≤0.12 | 23.0 -26.0 | 15.0 -18.0 | ≤0.01 | 5.0 -7.0 | ≤1.0 | 0.30 -0.45 |
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) |
---|---|---|---|---|---|---|
451 (≥) | 573 (≥) | 21 | 12 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 |
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 |
---|---|---|---|---|---|---|---|
32 | - | - | 0.31 | - | |||
262 | 885 | - | 32.3 | 412 | - | ||
347 | - | 31 | 33.2 | 441 | 412 |
Heat treated : 1117°C - 1122°C
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