Alloy: 2xxx,6xxx, 7xxx  typical alloy: 2017/2024/2618/2014/6061/6082/6063/7075/7050

Temper: Quench, typical temper: T3/T4/T5/T6  T351/T651/T451/T851/T73/T74/T7351(1)/T7452 etc.

O.D: 5~550mm

Technical Standard: ASTM B221

Pre-streched Line: Ensure Non-inner stress

Ultrasonic Inspection: MIL-2154 Marine Method, level A,AA,AAA, guarantee non inner damage/bubble