Square & Rectangular Tube (Black Pipe and Hot-dip Galvanized Steel Pipe)
Product Applications
Mechanical equipment, solar energy equipment, steel structures, automotive components, bridge piles, guardrails, ship internal structures.
Production Standards
GB/T 6728-2002
GB/T 6725-2008
GB/T 3094-2012
JG/T 178-2005
JIS G3466-2006
EN10219-2006
ASTM A500
Black Pipe
Production Lines: 12
Annual Production Capacity: 800,000 tons
Hot-dip Galvanized Square Tube
Production Lines: 16
Annual Production Capacity: 800,000 tons
Weight of square pipe (Kg/m)
|
Diameter Wall Thickness |
25*25 |
30*30 |
40*40 |
50*50 |
60*60 |
70*70 |
80*80 |
100*100 |
120*120 |
150*150 |
200*200 |
300*300 |
|
1.50 |
1.08 |
1.31 |
1.78 |
2.25 |
|
|
|
|
|
|
|
|
|
1.60 |
1.14 |
1.39 |
1.89 |
2.40 |
|
|
|
|
|
|
|
|
|
1.70 |
1.20 |
1.47 |
2.01 |
2.54 |
|
|
|
|
|
|
|
|
|
1.80 |
1.27 |
1.61 |
2.12 |
2.68 |
|
|
|
|
|
|
|
|
|
1.90 |
1.33 |
1.63 |
2.22 |
2.82 |
|
|
|
|
|
|
|
|
|
2.00 |
1.39 |
1.70 |
2.33 |
2.96 |
3.59 |
|
|
|
|
|
|
|
|
2.20 |
1.51 |
1.86 |
2.55 |
3.24 |
3.93 |
|
|
|
|
|
|
|
|
2.30 |
1.57 |
1.93 |
2.65 |
3.37 |
4.10 |
|
|
|
|
|
|
|
|
2.40 |
1.63 |
2.00 |
2.76 |
3.51 |
4.26 |
|
|
|
|
|
|
|
|
2.50 |
1.68 |
2.07 |
2.86 |
3.64 |
4.43 |
5.21 |
6.00 |
7.57 |
9.14 |
|
|
|
|
2.75 |
1.82 |
2.25 |
3.11 |
3.98 |
4.84 |
5.71 |
6.57 |
8.30 |
10.02 |
|
|
|
|
3.00 |
|
2.42 |
3.36 |
4.31 |
5.25 |
6.19 |
7.13 |
9.02 |
10.90 |
13.73 |
|
|
|
3.25 |
|
|
3.61 |
4.63 |
5.65 |
6.67 |
7.69 |
9.73 |
11.77 |
14.83 |
|
|
|
3.50 |
|
|
3.85 |
4.95 |
6.04 |
7.14 |
8.24 |
10.44 |
12.64 |
15.94 |
21.43 |
32.42 |
|
3.75 |
|
|
4.08 |
5.26 |
6.43 |
7.61 |
8.79 |
11.14 |
13.50 |
17.03 |
22.96 |
34.69 |
|
4.00 |
|
|
4.31 |
5.56 |
6.82 |
8.07 |
9.33 |
11.84 |
14.35 |
18.12 |
24.40 |
36.96 |
|
4.25 |
|
|
|
5.86 |
7.20 |
8.53 |
9.87 |
12.53 |
15.20 |
19.21 |
25.88 |
39.22 |
|
4.50 |
|
|
|
6.16 |
7.57 |
8.98 |
10.40 |
13.22 |
16.05 |
20.29 |
27.35 |
41.48 |
|
4.75 |
|
|
|
6.44 |
7.94 |
9.43 |
10.92 |
13.90 |
16.89 |
21.36 |
28.82 |
43.73 |
|
5.00 |
|
|
|
6.73 |
8.30 |
9.87 |
11.44 |
14.58 |
17.72 |
22.43 |
30.28 |
45.98 |
|
5.25 |
|
|
|
|
|
|
11.95 |
15.25 |
18.55 |
23.49 |
31.73 |
48.22 |
|
5.50 |
|
|
|
|
|
|
12.46 |
15.91 |
19.37 |
24.55 |
33.18 |
50.45 |
|
5.75 |
|
|
|
|
|
|
12.96 |
16.57 |
20.18 |
25.60 |
34.63 |
52.68 |
|
6.00 |
|
|
|
|
|
|
|
17.22 |
21.00 |
26.64 |
36.06 |
54.9 |
|
6.50 |
|
|
|
|
|
|
|
|
|
28.72 |
38.92 |
59.33 |
|
6.75 |
|
|
|
|
|
|
|
|
|
29.75 |
40.35 |
61.54 |
|
7.00 |
|
|
|
|
|
|
|
|
|
30.77 |
41.76 |
63.74 |
|
7.50 |
|
|
|
|
|
|
|
|
|
32.80 |
44.58 |
68.12 |
|
7.75 |
|
|
|
|
|
|
|
|
|
33.81 |
45.97 |
70.31 |
|
8.00 |
|
|
|
|
|
|
|
|
|
34.81 |
47.37 |
72.49 |
|
9.75 |
|
|
|
|
|
|
|
|
|
|
56.96 |
87.58 |
|
10.00 |
|
|
|
|
|
|
|
|
|
|
58.31 |
89.71 |
Weight of rectangular tube (Kg/m)
|
Diameter Wall thickness thickness |
40*20 |
40*30 |
50*25 |
50*30 |
60*40 |
70*50 |
80*40 |
80*60 |
100*50 |
100*60 |
120*60 |
120*80 |
150*100 |
160*80 |
200*100 |
250*150 |
400*200 |
|
1.50 |
1.31 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.60 |
1.39 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.70 |
1.47 |
1.74 |
1.87 |
2.01 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1.80 |
1.55 |
1.83 |
1.97 |
2.12 |
2.68 |
|
|
|
|
|
|
|
|
|
|
|
|
|
1.90 |
1.63 |
1.93 |
2.08 |
2.22 |
2.82 |
|
|
|
|
|
|
|
|
|
|
|
|
|
2.00 |
1.70 |
2.02 |
2.18 |
2.33 |
2.96 |
3.59 |
3.59 |
|
|
|
|
|
|
|
|
|
|
|
2.20 |
1.86 |
2.20 |
2.37 |
2.55 |
3.24 |
3.93 |
3.93 |
4.62 |
4.96 |
|
|
|
|
|
|
|
|
|
2.30 |
1.93 |
2.29 |
2.47 |
2.65 |
3.37 |
4.10 |
4.10 |
4.82 |
5.18 |
5.54 |
|
|
|
|
|
|
|
|
2.40 |
2.00 |
2.38 |
2.57 |
2.76 |
3.51 |
4.26 |
4.26 |
5.02 |
5.39 |
5.77 |
|
|
|
|
|
|
|
|
2.50 |
2.07 |
2.47 |
2.67 |
2.86 |
3.64 |
4.43 |
4.43 |
5.21 |
5.61 |
6.00 |
6.78 |
7.57 |
|
|
|
|
|
|
2.75 |
2.25 |
2.69 |
2.90 |
3.11 |
3.98 |
4.84 |
4.84 |
5.71 |
6.14 |
6.57 |
7.43 |
8.30 |
|
|
|
|
|
|
3.00 |
2.42 |
2.90 |
3.13 |
3.36 |
4.31 |
5.25 |
5.25 |
6.19 |
6.66 |
7.13 |
8.07 |
9.02 |
11.37 |
10.90 |
13.73 |
18.44 |
32.42 |
|
3.25 |
|
3.10 |
3.35 |
3.61 |
4.63 |
5.65 |
5.65 |
6.67 |
7.18 |
7.69 |
8.71 |
9.73 |
12.82 |
11.77 |
14.83 |
19.94 |
34.69 |
|
3.50 |
|
|
|
3.85 |
4.95 |
6.04 |
6.04 |
7.14 |
7.69 |
8.24 |
9.34 |
10.44 |
13.19 |
12.64 |
15.94 |
21.43 |
36.96 |
|
3.75 |
|
|
|
4.08 |
5.26 |
6.43 |
6.43 |
7.61 |
8.20 |
8.79 |
9.97 |
11.14 |
14.09 |
13.50 |
17.03 |
22.92 |
39.22 |
|
4.00 |
|
|
|
|
5.56 |
6.82 |
6.82 |
8.07 |
8.70 |
9.33 |
10.59 |
11.84 |
14.98 |
14.35 |
18.12 |
24.40 |
41.48 |
|
4.25 |
|
|
|
|
|
|
|
8.53 |
9.20 |
9.87 |
11.20 |
12.53 |
15.87 |
15.20 |
19.21 |
25.88 |
43.73 |
|
4.50 |
|
|
|
|
|
|
|
8.98 |
9.69 |
10.40 |
11.81 |
13.22 |
16.75 |
16.05 |
20.29 |
27.35 |
45.98 |
|
4.75 |
|
|
|
|
|
|
|
9.43 |
10.17 |
10.92 |
12.41 |
13.90 |
17.63 |
16.89 |
21.35 |
28.82 |
48.22 |
|
5.00 |
|
|
|
|
|
|
|
9.87 |
10.65 |
11.44 |
13.01 |
14.58 |
18.50 |
17.72 |
22.43 |
30.28 |
50.45 |
|
5.25 |
|
|
|
|
|
|
|
|
11.13 |
11.95 |
13.60 |
15.25 |
19.37 |
18.55 |
23.49 |
31.73 |
52.68 |
|
5.50 |
|
|
|
|
|
|
|
|
11.59 |
12.46 |
14.19 |
15.91 |
20.23 |
19.37 |
24.55 |
33.18 |
54.90 |
|
5.75 |
|
|
|
|
|
|
|
|
12.06 |
12.96 |
14.86 |
16.57 |
21.09 |
20.18 |
25.60 |
34.63 |
59.33 |
|
6.00 |
|
|
|
|
|
|
|
|
12.51 |
13.46 |
15.34 |
17.22 |
21.93 |
21.00 |
26.64 |
36.06 |
61.54 |
|
6.50 |
|
|
|
|
|
|
|
|
|
|
|
|
23.62 |
22.60 |
28.72 |
38.92 |
63.74 |
|
6.75 |
|
|
|
|
|
|
|
|
|
|
|
|
24.45 |
23.39 |
29.75 |
40.35 |
68.12 |
|
7.00 |
|
|
|
|
|
|
|
|
|
|
|
|
25.28 |
24.18 |
30.77 |
41.76 |
70.31 |
|
7.50 |
|
|
|
|
|
|
|
|
|
|
|
|
26.91 |
25.74 |
32.80 |
44.58 |
72.49 |
|
7.75 |
|
|
|
|
|
|
|
|
|
|
|
|
27.72 |
26.51 |
33.81 |
45.97 |
87.58 |
|
8.00 |
|
|
|
|
|
|
|
|
|
|
|
|
28.53 |
27.27 |
34.81 |
47.37 |
89.71 |
|
9.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
56.96 |
|
|
10.00 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
58.31 |
|
