aluminum alloy Temper Description
|F||As fabricated (no mechanical property limits specified).|
|O||Annealed - products achieving the required annealed properties after hot forming processes may be designated as O temper.|
|T5||Cooled from an elavated temperature shaping process and then artificially aged.|
|T6||Solution heat-treated and then artificially aged.|
|T651||Solution heat-treated, stress-relieved by controlled stretching and then artificially |
aged. The products receive no further straightening after stretching.