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Types of Welded Steel Pipes
Welded steel pipes come in various types, including ordinary welded steel pipes, oxygen-blown steel pipes, wire conduit pipes, galvanized steel pipes, transformer pipes, and electric welded special-shaped pipes. These pipes are widely used in different industries such as construction, plumbing, and electrical systems due to their durability and cost-effectiveness.
Dimensions and Weights of Low-Pressure Fluid Transfer Welded Steel Pipes
The following table provides the dimensions and theoretical weights for welded steel pipes commonly used in low-pressure fluid transfer applications. The data includes nominal diameter, outer diameter (OD), wall thickness, and theoretical weight per meter for both standard and thickened pipes.
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 |
1 1/4 |
42.25 |
3.25 |
3.13 |
4.00 |
3.78 |
40 |
1 1/2 |
48.00 |
3.50 |
3.84 |
4.25 |
4.58 |
50 |
2 |
60.00 |
3.50 |
4.88 |
4.50 |
6.16 |
65 |
2 1/2 |
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 |
The theoretical weight of a welded steel pipe can be calculated using the formula: W(kg/m) = 0.02466 × thickness × (outer diameter - wall thickness).
International Welded Pipe Standard
Welded steel pipes are manufactured according to international standards such as ASTM A53, EN 10217, and ISO 3183. These standards ensure that the pipes meet specific requirements for pressure resistance, dimensional accuracy, and material quality. Choosing the right type of welded steel pipe is crucial for ensuring the safety and efficiency of piping systems in various applications.
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