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Electric Welded (ERW) Round Steel Tube

Categories	ERW steel pipe
Brand	Yuantai Derun Steel Pipe Manufacturing Group
Model	erw tubing
Thickness	0.5- 16 mm
OD(outer diameter)	10.3mm-609mm
Certification	CE,LEED,BV,PHD&EPD,BC1,EN10210,EN10219,ISO9000,AST
Surface Treatment	REQUEST
Tolerance	as required
Length	0.5-24M according to client requirement
Standards	ASTM A500/A501,EN10219/10210, etc
Materials	Gr.A,Gr.B,Gr.C,S275J0H,S355JR,S355J0H,S355J2H,A36,
Delivery Time	7-30 Days
FOB port	Tianjin port
Terms of Payment	L/C, T/T
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Update Time	Nov 6,2024

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Detail Information

Electric Welded (ERW) Round Steel Tube

Electric Welded (Erw) Round Steel Tubing，It is a very common type of metal pipe, mainly made by high-frequency resistance welding process, with the advantages of tight weld seam, excellent performance, affordable and high-yield. Yuantai Derun produces a complete range of sizes for ERW circular steel pipes and has a large inventory, making it a trusted ERW steel pipe manufacturer for steel pipe users. Contact Us Now!

Multiple Standards Can Be Customized

Electric welded (Erw) steel round tubing standard: ASTM A500/501,ASTM A513,ASTM A135,EN10219/EN10210, JIS G3466,GB/T6728/T3094/3091,CSA G40.20/G40.21,etc.

You Choose Any Grades For Your ERW Round Steel Tube Order:

Electric Welded (ERW) Round Steel Tube Material:Gr.A/B/C,S235/275/355/420/460,A36,SS400,Q195/235/345,X42/52/60/65/70,STKR400/490,300W/350W,etc.

Characteristic

Electric resistance welded steel pipe (electric resistance welded pipes) form unique mechanical properties in the weld area through high-frequency welding technology. Welding is carried out after the pipe body is formed, effectively controlling misalignment, seam opening, and pipe diameter. The weld area undergoes special heat treatment, such as air cooling and water cooling after heating to 927 ℃, to eliminate stress and refine the structure, improving the mechanical properties of the welding heat affected zone. This treatment achieves a perfect combination between the weld area and the base metal.

Chemical Composition

Chemical Composition of electric weld tubing mainly are:

C（% ）	Mn（%）	Si（%）	S（%）	P（%）
0. 12~0. 20	0. 30~0. 670	≤0.30	≤0.045	≤0.045

In practical applications, the chemical composition of erw tubing will be adjusted according to specific needs. ‌

Mechanical Properties

The physical and mechanical properties of the ERW welded pipe are shown in the following figure. For example, the ERW steel pipe product uses ASTM A513 standard as a reference data, while the mechanical properties of other applications of ERW steel pipes have slight differences from this table. More infomation,please contact us!

Standard	Tensile Strength	Yeild Strength
A513	602 MPa	512 MPa

ERW Tube Dimensions

The size specifications of the electric resistance welded tubes that Yuantai Derun can produce are relatively complete, with an outer diameter range of 10.3mm-609mm, a wall thickness range of 0.5mm to 20mm, and a length range of 0.5-24M. Here are the common size specifications for our standard ERW steel pipes. If you would like to learn more about customized dimensions for ERW steel pipes, you can contact your account manager immediately./contact-us.htm

Out Diameter（mm）	Wall thickness(mm)	Length(M)
10.3-610	0.5-20mm	0.5-24M

Coating

ERW tube have 4 coating in Yuantai Derun,oil coating,painted,hot dipped galvanizing,galvanized zinc aluminium coating. more detail,please contact our sales manager now!

Certificate

The ERW steel pipes produced by Yuantai Derun have successively passed CE certification in Europe, ISO9001 certification, BC1 certification in Singapore, and JIS certification in Japan and South Korea. Contact us immediately to obtain certification documents!

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