Description: Aluminum Tube Features: 1) Materials: 7001-T6/T9, 7075-T9 alloy 2) High strength: 660Mpa 3) Light weight: 7001 or 7075 aluminum alloy is lighter than 6063 and 6061 4) Tightness tolerance: a) Inner diameter: 0.02mm b) Outer diameter: 0.02mm 5) Weight: 0.5% 6) Straightened to 0.15mm Features: 1) Materials: 7001-T6/T9, 7075-T9 alloy 2) High strength: 660Mpa 3) Light weight: 7001 or