Jiangsu Zhongtong Weiye Special Steel Co. LTD
Jiangsu Zhongtong Weiye Special Steel Co. LTD.
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TISCO 30 Inch 2B Seamless Structural Steel Pipe Seamless Carbon Steel Pipe
A seamless steel pipe is a circular pipe having a hollow section and no seams around it. The seamless steel pipe is made of carbon steel, alloy steel, stainless steel ingot or solid tube blank, and then is made by hot rolling, cold rolling or cold drawing.
The easiest way to identify the two is to look at the look. There are seam steel pipes, there will be a welded straight line, or the surface is polished. There is also straightness, uneven thickness, and it can't be tested.
NPS | DN | Outside Out Out Diameter(mm) | Wall Thickness(mm) | Weight Class | Unit Weight(kg/m) | Schedule No. |
1/2" | 15 | 21.3 | 2.77 | STD | 1.27 | 40 |
3/4" | 20 | 26.7 | 2.87 | STD | 1.69 | 40 |
1" | 25 | 33.4 | 3.38 | STD | 2.5 | 40 |
1 1/4" | 32 | 42.2 | 3.56 | STD | 3.4 | 40 |
1 1/2" | 40 | 48.3 | 3.68 | STD | 4.04 | 40 |
2" | 50 | 60.3 | 3.91 | STD | 5.46 | 40 |
2 1/2" | 65 | 73.0 | 5.16 | STD | 8.67 | 40 |
3" | 80 | 88.9 | 5.49 | STD | 11.35 | 40 |
3 1/2" | 90 | 101.6 | 5.74 | STD | 13.71 | 40 |
4" | 100 | 114.3 | 6.02 | STD | 16.23 | 40 |
5" | 125 | 141.3 | 6.55 | STD | 22.07 | 40 |
6" | 150 | 168.3 | 7.11 | STD | 28.58 | 40 |
8" | 200 | 219.1 | 8.18 | STD | 43.73 | 40 |
10" | 250 | 273.0 | 9.27 | STD | 63.36 | 40 |
12" | 300 | 323.8 | 9.52 | STD | 76.21 | 40 |
14" | 350 | 355.6 | 11.13 | STD | 94.55 | 40 |
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