Batch

Parameters

Alloy state

Aging temperature of 1^st aging period (˚C)

Holding time of 1^st aging period (minute)

Aging temperature of 2^ed aging period (˚C)

Holding time of 2^ed aging period (minute)

#1

7075-T6

140 ± 1

300

-

-

#2

7050-T6

121 ± 1

210

177 ± 1

210