China GB GH4180 Superalloys Nickel-base superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Superalloys | GH4180 | GB | China | Nickel-base superalloy |
| C | Cr | Ni | Co | Al | Ti | B | Fe |
|---|---|---|---|---|---|---|---|
| 0.04 -0.10 | 18.0 -21.0 | ≤Remainder | ≤2.0 | 1.0 -1.8 | 1.8 -2.7 | ≤0.008 | ≤1.5 |
| 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) |
|---|---|---|---|---|---|---|
| 923 (≥) | 314 (≥) | 24 | 32 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 |
| 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 |
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.31 | - | |||
| 946 | 427 | - | 24.3 | 223 | - | ||
| 366 | - | 11 | 33.2 | 141 | 241 |
Heat treated : 1133°C - 1768°C
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