| Casting | γ′ phase size/nm | |
| Casting temperature/˚C | Cooling | |
| 1420 | Air cooling | 276 |
| 1420 | Wind cooling | 183 |
| 1460 | Air cooling | 290 |
| 1460 | Wind cooling | 316 |
| 1490 | Air cooling | 337 |
| 1490 | Wind cooling | 325 |