GH4761
China GBT GH4761 Nickel base superalloy and GH4761 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | GH4761 | GBT | China | Nickel base superalloy |
| GH4141 | |||||
| GH4145 | |||||
| GH4146 | |||||
| GH4151 | |||||
| GH4180 | |||||
| GH4220 | |||||
| GH4302 | |||||
| GH4698 | |||||
| GH4710 | |||||
| GH4738 |
Chemical composition(mass fraction)(wt.%) of the GH4761
| C(％) | Cr(％) | Ni(％) | Mo(％) | W(%) | B(%) | Al(%) | Ti(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|
| 0.02-0.07 | 12.0-14.0 | 42.0-45.0 | 1.4-1.9 | 2.8-3.2 | Max 0.01 | 1.4-1.85 | 3.15-3.65 | Ce:Max 0.03 |
Mechanical Properties of steel grade GH4761
| 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) |
|---|---|---|---|---|---|---|
| 842 (≥) | 278 (≥) | 43 | 11 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
Physical Properties of steel grade GH4761
| 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 | – | – | 0.21 | – | |||
| 443 | 235 | – | 14.3 | 332 | – | ||
| 646 | – | 43 | 13.2 | 232 | 223 |
Heat Treatment of steel grade GH4761
Heat treated : 1932°C – 1518°C
Technological Curves of steel grade GH4761
No Curve