ERW Steel pipe

ERW stands for “electric resistance welded”. ERW Steel pipe and tubes are manufactured by rolling metal and then welding it longitudinally across its length. ERW pipes have a welded joint in their cross-section.

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Product Description

ERW stands for “electric resistance welded”. ERW Steel pipe and tubes are manufactured by rolling metal and then welding it longitudinally across its length. ERW pipes have a welded joint in their cross-section. It is manufactured from Strip/Coil and can be manufactured up to 24” OD. High-frequency Induction Welding Technology is used for ERW Pipes &Tubes up to 21 inches OD. ERW pipe cold formed from a ribbon of steel pulled through a series of rollers and formed into a tube which is fused through an electric charge. It is mainly used for low/ medium pressure applications such as the transportation of water /oil.

Common sizes for ERW Steel Pipe and tubes are made in a variety of lengths to over 100 feet. Surface finishes are available in bare and coated formats and processing can be handled on-site to customer specifications.

Standard	ASTM 5L, ASTM A53, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672, EN 10217
Steel Grade	API 5L: PSL1/PSL2 Gr.A, Gr.B, X42, X46, X52, X56, X60, X65, X70 ASTM A53: GR.A, GR.B,ASTM A500 JIS G3466 EN: S275, S275JR, S355JRH, S355J2H,EN10219-1 ,EN10217-1 GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360-L555
Surface	Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)
Out Diameter	21.3-660mm
Wall Thickness	1.0-20mm
Length	3-12m, or according to customer’s requirement
End	Plain End, Beveled End, Treaded

ERW pipes have various applications like fencing, line pipe, scaffolding etc. ERW steel pipes are available in various diameters, wall thickness, finish and grades

Major applications

Water pipelines

Agriculture & irrigation (Water mains, industrial water pipe lines, plant piping, deep tube-wells & casing pipes, sewerage piping)

Gas pipe lines

LPG and other non-toxic gas lines