GH4698
China GBT GH4698 wrought Fe/Ni-base superalloy and GH4698 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | GH4698 | GBT | China | wrought Fe/Ni-base superalloy |
| GH4145 | |||||
| GH4163 | |||||
| GH4169 | |||||
| GH4199 | |||||
| GH4202 | |||||
| GH4220 | |||||
| GH4413 | |||||
| GH4500 | |||||
| GH4586 | |||||
| GH4648 |
Chemical composition(mass fraction)(wt.%) of the GH4698
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | W(%) | Cu(%) | B(%) | Nb(%) | Al(%) | Ti(%) | Fe(%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.08 | 0.60 | 0.40 | 0.015 | 0.007 | 13.00-16.00 | Bal | 2.80-3.20 | – | 0.070 | ≤0.005 | 1.80 -2. 20 | 1. 30-1. 70 | 2. 35-2. 75 | ≤2.00 |
Mechanical Properties of steel grade GH4698
| 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) |
|---|---|---|---|---|---|---|
| 936 (≥) | 333 (≥) | 34 | 21 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 |
Physical Properties of steel grade GH4698
| 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 |
|---|---|---|---|---|---|---|---|
| 41 | – | – | 0.43 | – | |||
| 682 | 782 | – | 44.3 | 414 | – | ||
| 822 | – | 14 | 43.2 | 344 | 334 |
Heat Treatment of steel grade GH4698
Heat treated : 1678°C – 1952°C
Technological Curves of steel grade GH4698
No Curve