Standard: API, ASTM, BS, GB, JIS, API 5L, ASTM A53-2007, ASTM A53M-2007, BS 1139, BS 1387, BS EN 39, GB/T3901, JIS G3444-2006, JIS G3452-2004.
Grade: A53-A369, Q195-Q345, ST35-ST52, A106(B,C), Q195, Q215, Q235, Q345, ST35, St37.
Thickness: 0.5 - 25 mm.
Section shape: round.
Outer diameter: 1/2 - 18 inches.
Secondary or not: non-secondary.
Technique: ERW.
Certification: BSI.
Surface treatment: galvanized.
Special pipe: API pipe.
Main applications
1. Fluid, gas delivery, steel structure, construction.
2. ERW, welded carbon steel pipes, which with highest quality and strong supply ability are widely used in steel structure and construction.
ERW Steel pipe |
Outside |
Wall Thickness |
DN |
OD (inch) |
OD (mm) |
15 |
1/2 Inch |
21.3 |
1.5-2.75 |
20 |
3/4 Inch |
26.7 |
1.5-2.75 |
25 |
1 Inch |
33.4 |
1.6-3.75 |
32 |
1.1/4 Inch |
42.2 |
1.8-3.5 |
40 |
1.1/2 Inch |
48.3 |
1.8-4.0 |
50 |
2 Inch |
60.3 |
1.8-4.0 |
65 |
2.1/2 Inch |
76.1 |
1.8- |
80 |
3 Inch |
88.9 |
2.0- |
100 |
4 Inch |
114.3 |
2.0- |
125 |
5 Inch |
140 |
2.5- |
150 |
6 Inch |
165 |
2.5- |
200 |
8 Inch |
219 |
3.0- |
250 |
10 Inch |
273 |
3.0- |
300 |
12 Inch |
324 |
3.0- |