GH4180
China GBT GH4180 Nickel base superalloy and GH4180 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | GH4180 | GBT | China | Nickel base superalloy |
| GH1139 | |||||
| GH1167 | |||||
| GH2901 | |||||
| GH3170 | |||||
| GH3333 | |||||
| GH4118 | |||||
| GH4141 | |||||
| GH4145 | |||||
| GH4146 | |||||
| GH4151 |
Chemical composition(mass fraction)(wt.%) of the GH4180
| C(％) | Cr(％) | Ni(％) | Co(%) | B(%) | Al(%) | Ti(%) | Fe(%) |
|---|---|---|---|---|---|---|---|
| 0.04-0.10 | 18.0-21.0 | Balance | Max 2.0 | Max 0.008 | 1.0-1.8 | 1.8-2.7 | Max 1.5 |
Mechanical Properties of steel grade GH4180
| 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) |
|---|---|---|---|---|---|---|
| 871 (≥) | 582 (≥) | 42 | 11 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 |
Physical Properties of steel grade GH4180
| 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 |
|---|---|---|---|---|---|---|---|
| 31 | – | – | 0.32 | – | |||
| 777 | 139 | – | 33.3 | 241 | – | ||
| 181 | – | 32 | 24.2 | 242 | 443 |
Heat Treatment of steel grade GH4180
Heat treated : 1316°C – 1256°C
Technological Curves of steel grade GH4180
No Curve