Square pipe
Products and the use of standard materials
Material : carbon steel and low alloy steel used standard GB/T6728-2002)
Length |
|
In the following nominal thickness (mm) theory weight (Kg/m) |
0.5 |
0.6 |
0.7 |
0.8 |
0.9 |
1.5 |
2.0 |
2.5 |
3.0 |
4.0 |
5.0 |
6.0 |
8.0 |
10.0 |
12.0 |
13.0 |
15 |
|
0.27 |
0.31 |
0.36 |
0.40 |
0.67 |
|
|
|
|
|
|
|
|
|
|
16 |
|
0.29 |
0.34 |
0.39 |
0.43 |
0.70 |
|
|
|
|
|
|
|
|
|
|
18 |
|
0.33 |
0.38 |
0.44 |
0.49 |
0.79 |
|
|
|
|
|
|
|
|
|
|
20 |
|
0.37 |
0.43 |
0.49 |
0.55 |
0.89 |
1.16 |
|
|
|
|
|
|
|
|
|
25 |
|
0.46 |
0.54 |
0.61 |
0.69 |
1.12 |
1.47 |
1.81 |
|
|
|
|
|
|
|
|
30 |
|
0.56 |
0.65 |
0.74 |
0.83 |
1.36 |
1.79 |
2.20 |
2.61 |
|
|
|
|
|
|
|
40 |
|
|
0.87 |
0.99 |
1.11 |
1.83 |
2.41 |
2.99 |
3.83 |
4.63 |
|
|
|
|
|
|
50 |
|
|
|
1.24 |
1.39 |
2.30 |
3.04 |
3.77 |
4.49 |
5.89 |
7.24 |
8.54 |
|
|
|
|
60 |
|
|
|
|
1.68 |
2.77 |
3.67 |
4.56 |
5.43 |
7.15 |
8.81 |
10.42 |
13.50 |
|
|
|
70 |
|
|
|
|
|
3.24 |
4.30 |
5.34 |
6.37 |
8.40 |
10.38 |
12.31 |
16.01 |
|
|
|
80 |
|
|
|
|
|
3.71 |
4.93 |
6.13 |
7.32 |
9.66 |
11.95 |
14.19 |
18.53 |
22.67 |
|
|
90 |
|
|
|
|
|
4.19 |
5.56 |
6.91 |
8.26 |
10.91 |
13.52 |
16.08 |
21.04 |
25.81 |
|
|
100 |
|
|
|
|
|
|
6.18 |
7.70 |
9.20 |
12.57 |
15.09 |
17.96 |
23.55 |
28.95 |
|
|
120 |
|
|
|
|
|
|
|
|
11.09 |
14.68 |
18.23 |
21.73 |
28.60 |
35.23 |
|
|
125 |
|
|
|
|
|
|
|
|
11.56 |
15.31 |
19.02 |
22.67 |
29.84 |
36.80 |
|
|
140 |
|
|
|
|
|
|
|
|
|
17.19 |
21.37 |
25.50 |
33.60 |
41.51 |
49.22 |
|
150 |
|
|
|
|
|
|
|
|
|
18.45 |
22.94 |
27.38 |
36.12 |
44.65 |
52.99 |
57.09 |
160 |
|
|
|
|
|
|
|
|
|
19.71 |
24.51 |
29.27 |
38.63 |
47.80 |
56.76 |
61.17 |
180 |
|
|
|
|
|
|
|
|
|
22.22 |
27.66 |
33.04 |
43.66 |
50.80 |
64.30 |
69.30 |
200 |
|
|
|
|
|
|
|
|
|
24.74 |
30.80 |
36.81 |
48.68 |
60.36 |
71.82 |
77.51 |
220 |
|
|
|
|
|
|
|
|
|
|
33.94 |
40.58 |
53.71 |
66.64 |
79.38 |
85.68 |
250 |
|
|
|
|
|
|
|
|
|
|
38.65 |
46.23 |
61.25 |
76.07 |
90.69 |
97.93 |
260 |
|
|
|
|
|
|
|
|
|
|
40.22 |
48.12 |
63.76 |
79.21 |
94.46 |
120.01 |
280 |
|
|
|
|
|
|
|
|
|
|
43.36 |
51.89 |
68.79 |
85.49 |
102.00 |
110.18 |
300 |
|
|
|
|
|
|
|
|
|
|
46.51 |
55.66 |
73.82 |
91.78 |
109.54 |
118.35 |
|
Technical Requirements : External Dimensions (D.B and H) : H length, B<100 Tolerance ± 0.8% Length : 100<=H, B<=200 Tolerance ± 0.6% Length H, Tolerance ± 0.5% B>200 thickness (T) : ± 0.8% concavity / convexity : "Er-straight angle : 90 ± 1.0 |
|
