2019 wholesale price China Zinc Rich Epoxy Primer Coating Pipe, Spiral Welded Steel Pipe, API 5L

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Product	Spiral Steel Pipe Piling Pipe
Process	Submerged Arc Weld
Standard	ASTM A53,ASTM A252,ASTM A139,ASTM A36,etc
Material	GR.A,GR.B
O.D	8”--80”(219--2030mm)
W.T	0.322”--1.602”(8.1--26.97mm)
Length	As per customer’s requirement
Surface Treatment	Bared,Black painted,Corrosion Resistant Coating + Cap
Application	Mainly used in water supply engineering , petrochemical industry, power industry, agricultural irrigation, urban construction ,etc. For liquid delivery use: water supply , water drainage. For gas delivery use: gas, steam, liquefied petroleum gas (LPG).  For structure use: pile pipe , bridge; wharf, road, building structure pipe,etc.