GH4118
China GBT GH4118 Nickel base superalloy and GH4118 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | GH4118 | GBT | China | Nickel base superalloy |
| GH4133 | |||||
| GH4169 | |||||
| GH1013 | |||||
| GH1014 | |||||
| GH1138 | |||||
| GH1139 | |||||
| GH1167 | |||||
| GH2901 | |||||
| GH3170 | |||||
| GH3333 |
Chemical composition(mass fraction)(wt.%) of the GH4118
| C(％) | Cr(％) | Ni(％) | Mo(％) | Co(%) | B(%) | Al(%) | Ti(%) | Fe(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|
| Max 0.20 | 14.0-16.0 | Balance | 3.0-5.0 | 13.5-15.5 | 0.01-0.025 | 4.5-5.0 | 3.5-4.5 | Max 0.1 | Zr:Max 0.15 |
Mechanical Properties of steel grade GH4118
| 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) |
|---|---|---|---|---|---|---|
| 984 (≥) | 196 (≥) | 32 | 44 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 |
Physical Properties of steel grade GH4118
| 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 |
|---|---|---|---|---|---|---|---|
| 21 | – | – | 0.42 | – | |||
| 583 | 564 | – | 23.3 | 131 | – | ||
| 912 | – | 42 | 44.2 | 441 | 221 |
Heat Treatment of steel grade GH4118
Heat treated : 1175°C – 1698°C
Technological Curves of steel grade GH4118
No Curve