Temper Designations for Heat Treatable Alloy

MetalLearn® – Aluminum Products Aluminum Temper Designations Temper Designations for Heat Treatable Alloy

Xxxx – T2

Cooled from elevated temperature and naturally aged

Xxxx – T4

Solution heat treated and naturally aged

Xxxx – T5

Cooled from an elevated temperature and artificially aged

Xxxx – T6

Solution heat treated and artificially aged

Xxxx – T8

Solution heat treated, cold worked and aged

Example – 6061 – T6