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) |
|---|---|---|---|---|---|---|
| 361 (≥) | 575 (≥) | 22 | 21 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 134 |
| 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 | - | - | 0.24 | - | |||
| 246 | 689 | - | 31.3 | 133 | - | ||
| 437 | - | 14 | 14.2 | 144 | 113 |
Heat treated : 1536°C - 1417°C
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