Specification list:
HOT DIP GALVANIZED SQUARE HOLLOW SECTION GB/T6728-2002 GB/T6725-2008 | |||||
NO | Specification(mm) W*W*T | Theoretical Weight (kg/m) | NO | Specification(mm) W*W*T | Theoretical Weight (kg/m) |
1 | 20×20×1.7 | 1.068 | ![]() | ||
2 | 20×20×1.8 | 1.130 | |||
3 | 20×20×2.0 | 1.256 | |||
4 | 25×25×1.7 | 1.335 | |||
5 | 25×25×1.8 | 1.413 | |||
6 | 25×25×2.0 | 1.570 | |||
7 | 25×25×2.2 | 1.727 | |||
8 | 25×25×2.5 | 1.963 | |||
9 | 25×25×3 | 2.355 | |||
10 | 30×30×1.7 | 1.601 | 33 | 50×50×4.5 | 7.065 |
11 | 30×30×1.8 | 1.696 | 34 | 50×50×5 | 7.850 |
12 | 30×30×2.0 | 1.884 | 35 | 60×60×1.7 | 3.203 |
13 | 30×30×2.2 | 2.072 | 36 | 60×60×1.8 | 3.391 |
14 | 30×30×2.5 | 2.355 | 37 | 60×60×2.0 | 3.768 |
15 | 30×30×3 | 2.826 | 38 | 60×60×2.2 | 4.145 |
16 | 40×40×1.7 | 2.135 | 39 | 60×60×2.5 | 4.710 |
17 | 40×40×1.8 | 2.261 | 40 | 60×60×3 | 5.652 |
18 | 40×40×2.0 | 2.512 | 41 | 60×60×3.5 | 6.594 |
19 | 40×40×2.2 | 2.763 | 42 | 60×60×4 | 7.536 |
20 | 40×40×2.5 | 3.140 | 43 | 80×80×2.2 | 5.526 |
21 | 40×40×3 | 3.768 | 44 | 80×80×2.5 | 6.280 |
22 | 40×40×3.5 | 4.396 | 45 | 80×80×3 | 7.536 |
23 | 40×40×4 | 5.024 | 46 | 80×80×3.5 | 8.792 |
24 | 50×50×1.7 | 2.669 | 47 | 80×80×4 | 10.048 |
25 | 50×50×1.8 | 2.826 | 48 | 100×100×2.5 | 7.850 |
26 | 50×50×2.0 | 3.140 | 49 | 100×100×3 | 9.420 |
27 | 50×50×2.2 | 3.454 | 50 | 100×100×3.5 | 10.990 |
28 | 50×50×2.5 | 3.925 | 51 | 100×100×4 | 12.560 |
29 | 50×50×3 | 4.710 | 52 | 100×100×4.5 | 14.130 |
30 | 50×50×3 | 4.710 | 53 | 100×100×5 | 17.270 |
31 | 50×50×3.5 | 5.495 | 54 | 120×120×7.5 | 28.260 |
32 | 50×50×4 | 6.280 | 55 | 150×150×5 | 23.550 |
The specification above are frequently used in China,and there are lots of stores in our warehouse. For other specifications which do not show in the table, you can touch me for confirming. |