GH4302
China GBT GH4302 Nickel base superalloy and GH4302 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | GH4302 | GBT | China | Nickel base superalloy |
| GH2901 | |||||
| GH3170 | |||||
| GH3333 | |||||
| GH4118 | |||||
| GH4141 | |||||
| GH4145 | |||||
| GH4146 | |||||
| GH4151 | |||||
| GH4180 | |||||
| GH4220 |
Chemical composition(mass fraction)(wt.%) of the GH4302
| C(％) | Mn(％) | Cr(％) | Ni(％) | Mo(％) | W(%) | B(%) | Al(%) | Ti(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|
| Max 0.08 | Max 0.6 | 12.0-16.0 | 38.0-42.0 | 1.5-2.5 | 3.5-4.5 | Max 0.01 | 1.8-2.3 | 2.3-2.8 | Ce:Max 0.02,Zr:Max 0.05 |
Mechanical Properties of steel grade GH4302
| 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) |
|---|---|---|---|---|---|---|
| 529 (≥) | 968 (≥) | 22 | 14 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 111 |
Physical Properties of steel grade GH4302
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | – | – | 0.42 | – | |||
| 814 | 862 | – | 34.3 | 241 | – | ||
| 626 | – | 14 | 21.2 | 212 | 224 |
Heat Treatment of steel grade GH4302
Heat treated : 1347°C – 1586°C
Technological Curves of steel grade GH4302
No Curve