Welded steel pipes-including general welded steel pipes, oxygen-blowing steel pipes, wire casings, galvanized steel pipes, transformer pipes, electric welded special-shaped pipes, etc.
Dimensions and weight of welded steel pipes for low pressure fluid transportation
|
Nominal diameter
|
OD（mm） |
Ordinary tube |
Thickened tube |
|||
|
（mm） |
（in） |
Wall thickness（mm） |
Theoretical weight |
Wall thickness（mm） |
Theoretical weight |
|
|
6 |
1/8 |
10.00 |
2.00 |
0.39 |
2.50 |
0.46 |
|
8 |
1/4 |
13.50 |
2.25 |
0.62 |
2.75 |
0.73 |
|
10 |
3/8 |
17.00 |
2.25 |
0.82 |
2.75 |
0.97 |
|
15 |
1/2 |
21.25 |
2.75 |
1.26 |
3.25 |
1.45 |
|
20 |
3/4 |
26.75 |
2.75 |
1.63 |
3.50 |
2.01 |
|
25 |
1 |
33.50 |
3.25 |
2.42 |
4.00 |
2.91 |
|
32 |
11/4 |
42.25 |
3.25 |
3.13 |
4.00 |
3.78 |
|
40 |
11/2 |
48.00 |
3.50 |
3.84 |
4.25 |
4.58 |
|
50 |
2 |
60.00 |
3.50 |
4.88 |
4.50 |
6.16 |
|
65 |
21/2 |
75.50 |
3.75 |
6.64 |
4.50 |
7.88 |
|
80 |
3 |
88.50 |
4.00 |
8.34 |
4.75 |
9.81 |
|
100 |
4 |
114.00 |
4.00 |
10.85 |
5.00 |
13.44 |
|
125 |
5 |
140.00 |
4.00 |
13.42 |
5.50 |
18.24 |
|
150 |
6 |
165.00 |
4.50 |
17.81 |
5.50 |
21.63 |
Calculation formula: W(kg/m)=0.02466*thickness*(outer diameter-wall thickness)