S275jr S355jr Spiral/Weld/Black/Round Carbon Steel Tube/Pipe 

Product Introduction                                                                          Welded pipe is an electric welded round pipe that is an alternative to steel pipes.It is a structural grade tube that is suitable for a wide variety of applications where dimensional accuracy and precision tolerances is not a primary concern.A raised weld seam is present inside the pipe. Spiral welded steel pipe is a kind of practical steel pipe, now it has been widely used in small and medium-sized construction site construction facilities, not only that, spiral steel pipe is often used in mining, power, construction and various pipeline systems, one of the important industries. On the basis of the original is trying to research this more excellent quality of new spiral steel pipe, the purpos…

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