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) |
---|---|---|---|---|---|---|
892 (≥) | 176 (≥) | 14 | 31 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.13 | - | |||
384 | 156 | - | 42.3 | 434 | - | ||
992 | - | 31 | 23.2 | 142 | 344 |
Heat treated : 1527°C - 1273°C
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