Batch | Parameters | ||||
Alloy state | Aging temperature of 1st aging period (˚C) | Holding time of 1st aging period (minute) | Aging temperature of 2ed aging period (˚C) | Holding time of 2ed aging period (minute) | |
#1 | 7075-T6 | 140 ± 1 | 300 | - | - |
#2 | 7050-T6 | 121 ± 1 | 210 | 177 ± 1 | 210 |