Erw Tube
China Erw Tube
Erw Tube Shipping

ERW Tube

ERW, refers to the use of electric current through the weldment and the resistance heat generated at the contact as a heat source to localize the heating of the weldment, and at the same time pressurize the welding method. When welding, no filler metal, high productivity, small deformation of the weldment, easy to realize automation.

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Product Introduction

High Performance Resistance Welded Tubes

Products Description

ERW steel tube is a general name of resistance welding steel pipe, which is divided into AC welding steel pipe and DC welding steel pipe two forms of AC welding according to the different frequency is divided into low frequency welding, middle frequency welding, ultra middle frequency welding and high frequency welding. High frequency welding is mainly used in the production of thin-wall steel pipe or ordinary thick steel pipe, which is divided into contact welding and induction welding. Dc welding is generally used for small diameter steel tubes.

ERW stands for resistance welding. Resistance welding is widely used in aviation, aerospace, energy, electronics, automotive, light industry and other industrial sectors because of its high production efficiency, low cost, material saving and easy automation. It is one of the important welding processes.

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Specification

Product name	welded steel Pipes
Material	ASTMA106AASTMA106B ASTMA106C ASTMA179,ASTMA192 ASTMA210
	ASTM A53A,ASTM A53B,ASTMA178C
	10#,20#,45#,Q235,0345,0195,0215,0345C,Q345A
	ST37,ST37-2,DIN 1629 ST35,DIN 1629 ST45,DIN 17175 ST35.8,DIN 17175DIN 17175
	16Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9
	P11,P12,P22,P91,P92,15CrMO,Cr5Mo,10CrMo910,12CrMo
	13CrMo44,30CrMo,A333 GR.1,GR.3,GR.6,GR.7,etc Q235A、Q235B、Q345B、16Mn、20#、Q345、L245、L290、X42、X46、X70、X80、0Cr13、1Cr17、00Cr19Ni11、1Cr18Ni9、0Cr18Ni11Nb。
Size	Outside Diameter: 21.3-609.6mm
	Thickness: 1.65mm-59.54mm
	Length：12M, 6m，9m
Technique	welded ERW cold drwan SAW EFW SMAW GMAW GTAW
Standard	API 5CT, 5L; ASTM, BS, JIS, DIN
Brand Name	GNEE

Efficient production of welded pipes

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Application

ERW steel tube is mainly used in tap water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, urban construction and other aspects.

For gas transportation: gas, heating steam, liquefied petroleum gas.

For liquid transportation: water supply, drainage.

For structural use: for piling pipes, Bridges; Pipe for wharf, road, building structure, etc.

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Per-Shipment Test

Our company will test the steel pipes after production and before shipment. Such as, outer diameter measuring，Wall thickness measuring，Length measuring，tensile test, bending test, flattening test, hydrostatic test, NDE test, etc.

All of our welded pipes can be treated with black paint, 3PE, 3PP, galvanized, etc. If you need, please contact us immediately!

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