Product Description

Carbon steel spiral welded pipe

Carbon steel spiral steel pipe is made by rolling low-carbon carbon structural steel into a tube blank according to a certain helical angle, and then welding the pipe seams. It can use narrow strip steel to produce large-diameter steel pipes. The main materials are q195, q235A, q235B, q345 and so on. Spiral welded pipes are single-sided welded and double-sided welded. The welded pipes should ensure that the hydraulic test, the tensile strength of the weld and the cold bending performance must meet the regulations. Carbon steel spiral steel pipe is mainly used in drainage and water supply projects, fluid liquid, and solid conveying pipelines. It is widely used in urban construction and municipal engineering.

Product name	Spiral welded steel pipe for penstocks project diameter 300mm to 3500mm SSAW penstock
Standard	SY/T5037-2000
	GB/T9711-1997 GB/T9711-2011
	API 5L GRB
	ASTM A252
Steel grade	ASTM A53, A135, A500, A795, BS1387, BS1139, BS39, Q235A, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X70, X80
Size	OD:273-2000mm
	WT: 6-60mm
	Length:5.8m, 11.8m or according to customers'demands
Application	applied in structure,construction,accessorize,transmission
Ends	1)plain ends
	2)beveled ends
	3)thread ends
Ends protectin	Plastic caps
Surface treatment	1)bared
	2)black painting
	3)anti-corrosion oil
	4)3PE,FBE,EPOXY Coating
Weld Technique	1)ERW: Electronic Resistance Welded
	2)EFW: Electronic Fusion Welded
	3)SSAW: Spirally Submered Arc Welded
Section shape	Round
Package	1)bundle
	2)in buck
	3)bags
	4)customers'requirement
Production capacity	2000,000tons each year
Certificate	API & ISO

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