Spiral Steel Pipes

Description: We have modernizd production lines for large-diameter spiral steel pipes' manufacturing. This type of weld steel pipe is often utilized for industrial applications such as transmission mains, treatment plant piping, pump station piping, power plant circulating lines, penstocks, force mains, intakes and outfalls, aerial crossings, and aqueducts, etc.

Standard: GB/9711.1-1997, API Spec 5L, SY/T5037-2000, SY/5040-92
Material: Q215; Q235A; Q235B; Q345; L245; L290; X42; 1Cr17
O. D.: 159mm-3400mm
W. T: 3.0mm-26mm
Length: 12m