good quality ,lower price Alloy No.Thickness mmwidth mmTemper1100, 1050, 1060, 1070,1100, 3003, 3004, 3005, 3105, 5005, 5052, 5083, 5754, 6061, 6063, 8011,0.2~2.0mm1000~1400H12, H22, H14, H24, H16, H26, H18, OInner Diameter:505mm Outer Diameter:600-1500mm