Round Tube Alloy: 1070, 1060, 1050, 1050A, 1100, 1145, 1200, 3A21, 3003, 5A02, 5A03 Temper: H18, H24, O OD: 6-500mm Wall Thickness: 0.5-100.0mm Square Tube and Rectangular Tube Alloy: 1070A, 1060, 1050, 1050A, 1100, 1145, 1200, 2A11, 2A12, 2024, 3A21, 3003, 5A02, 5052, 6061, 6A02 Temper: 18, H24, O, T4, T6 OD: 10*10-120*120mm Wall Thickness: 1.0-5.0mm