Welded Steel Pipe

Welded steel pipe is mainly used in water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, city construction. Used for liquid delivery: water supply, drainage. The gas transportation: gas, vapor, liquefied petroleum gas. For structural purposes: as piling pipe, bridge; tube for pier, road, building structure.

Main Specification:

Outer diameter 42.3mm-141.3mm or custom-made 
Wall thickness  0.4-20mm 
Length 5.8M for 20'gp, 11.8M for 40'gp or as custom-made.
Finish Hot Dipped Galvanized;Electro Galvanized;Black; Painted
Standard BS1139,BS EN10255:2004; JIS G3444: 2004, GB/T3091

Standard & Grade:

Out Diameter Wall Thickness Length
inch mm mm meter
1-1/4" 42.3mm 1.0mm-4.0mm 0.3m-12m
1-1/2" 48.3mm 1.0mm-4.0mm 0.3m-12m
2" 60.3mm 1.5mm-4.0mm 0.3m-12m
2-1/2" 76.1mm 1.5mm-4.0mm 0.3m-12m
3" 88.9mm 1.5mm-9.5mm 0.3m-12m
4" 114.3mm 2.0mm-9.5mm 0.3m-12m
5" 141.3mm 3.0mm-9.5mm 0.3m-12m
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