Nickel-base superalloy
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Cr | 13.0 | 16.0 | ||
| Mo | 2.8 | 3.2 | ||
| Ni | - | Remainder | ||
| Al | 1.3 | 1.7 | ||
| Nb | 1.8 | 2.2 | ||
| Ti | 2.35 | 2.75 | ||
| B | - | 0.005 | ||
| Fe | - | 2.0 | ||
| Ce | - | 0.005 |
GH4698
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 624 (≥) | 478 (≥) | 12 | 31 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 856 (≥) | 976 (≥) | 41 | 42 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 143 | 227 | 759 |
We can customize the production of GH4698 grade, contact us for the best solution.
–sales@specificsteel.com