The standard specifications of aluminum tubes：
6, 8, 10, 12, 14, 18, 25, 32, 38, 45, 55, 75, 90, 110, 115, 120, (all units are mm).
Aluminum tube material types: 1050/1060/3003/5052/2011/2024/2A12/3A21/6061/6063/6068/7075/LY12/7005
Specifications: outer diameter 4--300; wall thickness 0.25--40.
The specifications and standards of aluminum tubes are in accordance with "GB/T 4436-2012 Dimensions and Tolerances of Aluminum and Aluminum Alloy Tubes". This standard specifies the dimensions and allowable deviations of aluminum and aluminum alloy round tubes, rectangular tubes, square tubes, regular hexagonal tubes, regular octagonal tubes and oval tubes.
| 3.5"Round tubes size | 3.5"Round tubes size | 3.5"Round tubes size | 5"Round tubes size |
| 9x 6.5 x 1.25 | 16x 0.83 x 7.585 | 20x 10.2 x 4.9 | 25.4x 16 x 4.7 |
| 9.4x 4 x 2.7 | 16x 5.2 x 5.4 | 20x 10.2 x 4.9 | 25.4x 17.3 x 4.05 5" |
| 9.7x 4 x 2.85 | 16x 6.5 x 4.75 | 20x 10.4 x 4.8 | 25.4x 19 5 |
| 10x 4 x 3 | 16x 10.2 x 2.9 | 20x 13.1 x 3.45 | 25.4x 19.1 x 3.15 5" |
| 10x 4.2 x 2.9 | 16x 12.4 x 1.8 | 20x 13.5 x 3.25 | 25.4x 20.1 x 2.65 |
| 10x 4.2 x 2.9 | 16x 12.8 x 1.6 | 20x 16 x 2 | 25.4x 20.2 x 2.6 3.5" |
| 10x 6.5 | 16.1x 12.05 x 2.025 | 20.5x 13.1 x 3.7 | 25.4x 20.2 x 2.6 5 |
| 10.2x 6 x 2.1 | 16.35x 10.6 x 2.875 | 20x 16.3 x 1.85 | 25.4x 21 x 2.2 3.5 |
| 11x 0.92 x 5.04 | 16.5x 8 x 4.25 | 20.5x 13.1 x 3.7 | 25.4x 21.3 x 2.05 3.5" |
| 11x 4 x 3.5 | 17x 9 x 4 | 20x 16.3 x 1.85 | 25.4x 23 x 1.2 3.5" |
| 11x 6.2 x 2.4 | 17x 12.5 x 2.25 | 20x 16.5 x 1.75 | 25.5x 17.5 x 4 |
| 11x 6.2 x 2.4 | 17x 13 x 2 | 20.5x 18 x 1.25 | 25.6x 10.85 x 7.375 |
| 11x 6.3 x 2.35 | 17x 13 x 2 | 21x 5.5 x 7.75 5" | 26x 9 x 8.5 |
| 11x 6.3 x 2.35 | 17x 13 x 2 | 21.7x 17.7 | 26x 10.3 x 7.85 |
| 11x 6.3 x 2.35 | 17.2x 13 x 2.1 | 22x 10.3 x 5.85 | 26x 12.5 x 6.75 |
| 11x 6.3 x 2.35 | 17.3x 12.7 | 22x 12.2 x 4.9 | 26x 17.7 x 4.15 |
| 11.3x 6.6 x 2.35 | 17.5x 13.5 x 2 | 22x 15 x 3.5 | 26x 18 x 4 |
| 11.5x 9.6 x 0.95 | 18x 8 | 22x 17.1 x 2.45 | 27x 12.3 x 7.35 |
| 12x 4.2 x 3.9 | 18x 11 x 3.5 | 22x 19 x 1.5 | 27.7x 22.7 x 2.5 |
| 12x 5.2 x 3.4 | 18x 11.8 x 3.1 (98) | 22.2x 17.8 x 2.2 | 27.9x 22 x 2.95 |
| 12x 9.1 x 1.45 | 18x 11 | 22.2x 18 x 2.1 3.5" | 28x 11 x 8.5 |
| 12x 10 x 1 | 18x 12.2 x 2.9 | 22.2x 19.4 | 28x 17.2 x 5.4 |
| 12.1x 7 x 2.55 | 18x 16.3 x 0.85 | 22.2x 20.3 x 0.95 | 28.5x 21 x 3.75 |
| 12.1x 8 x 2.05 3" | 18x 16.3 x 0.85 | 22.22x 19.82 x 1.23.5" | 28.6x 16 x 6.3 |
| 12.1x 8 x 2.05 4" | 18x 16.3 x 0.85 | 22.5x 17.8 x 2.35 | 28.6x 22.7 x 2.95 |
| 12.2x 9.4 x 1.4 | 18x 16.3 x 0.85 | 22.5x 17.8 x 2.35 | 29x 7 x 11 |
| 12.7x 8.2 x 2.25 | 18.8x 16.4 x 1.2 | 22.6x 16.6 x 3 | 29x 14 x 7.5 |
| 12.7x 8.2 x 2.25 | 19x 4.2 x 7.4 | 23x 9 x 7 5 | 29x 15.3 x 6.85 |
| 12.7x 10.2 x 1.25 | 19x 6.6 | 23x 10 x 6.5 5" | 30x 9 x 10.5 |
| 13x 4.2 x 4.4 | 19x 17 x 1 | 23x 10.15 x 6.425 5" | 30x 12.5 x 8.75 |
| 13x 8 x 2.5 | 19.05x 6.8 x 6.125 | 23x 12.3 x 5.35 | 30x 19 x 5.5 |
| 13x 9 x 2 | 19.05x 16.65 x 1.2 | 23x 19 x 2 | 30x 23.1 x 3.45 |
| 13x 11 x 1 | 19.05x 17 x 1.025 | 23.6x 15.7 x 3.95 | 30x 25.6 x 2.2 |
| 13.5x 12 x 0.75 | 19.1x 15.1 x 2 | 23.7x 18.4 x 2.65 4" | 30x 25.7 x 2.15 |
| 14x 8.2 x 2.9 | 19.1x 15.5 x 1.8 | 23.7x 20 x 1.85 | 30x 26.8 x 1.6 |
| 14.1x 12 x 1.05 | 19.15x 15.55 x 1.8 | 24x 9 x 7.5 5" | 30.15x 28.6 x 0.775 |
| 14.2x 10.2 x 2 | 19.2x 15 x 2.1 | 24x 10.3 x 6.85 5 | 30.5x 20.5 x 5 4" |
| 14.4x 11.3 x 1.55 | 19.2x 16.9 x 1.15 | 24x 12.55 x 5.725 5" | 30.5x 22 x 4.25 |
| 14.5x 12.3 x 1.1 | 20x 5.5 x 7.25 | 24x 18 x 3 5" | 31x 23.4 x 3.8 |
| 14.8x 10.8 x 2 | 20x 9 x 5.5 5" | 24.75x 21.3 x 1.725 | 31.7x 19 x 6.35 |
| 15x 8.2 x 3.4 | 20x 10 x 5 | 25.4x 10.5 x 7.45 5" | 31.75x 25.4 |
| 15x 11.1 x 1.95 | |||
| 15x 12.5 x 1.25 | |||
| 15x 12 x 1.5 | |||
| 15.6x 12.8 x 1.4 | |||
| 15.9x 14 x 0.95 |
