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Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

Phone:0086-731-8873-9521  

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How to Detect the Quality of SSAW steel pipe

Keywords :        Update : 2016-11-20        View(s) : 1908

SSAW steel pipe factory should be done before the mechanical performance test and flattening test, and flaring test, and to achieve the standard requirements. Spiral steel pipe quality inspection method is as follows: 1, From the face of it, that is visual inspection. Visual inspection of we...

Difference between SSAW Steel Pipe and LSAW Steel Pipe on Rupture

Keywords :        Update : 2016-11-18        View(s) : 1863

For the  ssaw steel pipe , although the result of the tensile test specimens substantially independent of sampling direction, but the test results v Charpy impact specimen was closely related to the sampling direction. When sampling along the rolling direction CVN maximum value when the ve...

Difference of Fluid Pipe and Structure Steel Pipe

Keywords :        Update : 2016-11-18        View(s) : 1830

Fluid pipe is a hollow section, from the beginning to the end no weld steel pipe. With steel pipe manufacturing annular parts, can improve material utilization, simplifying the manufacturing process, material saving and processing time, such as rolling bearing ring, jack sets, at present has been w...

ERW,SSAW and LSAW

Keywords :        Update : 2016-11-17        View(s) : 2021

Straight seam high frequency (ERW) by welding and induction welding is divided into different forms of contact of two welding, hot-rolled wide coil as raw material, through pre-bending, continuous forming, welding, heat treatment, sizing, straightening, cutting, etc. step short compared to the spira...

Large-diameter Welded Pipe

Keywords :        Update : 2016-11-16        View(s) : 2109

Large-diameter welded pipe is the pipe welds, raw materials are mainly steel sheet and strip, large diameter straight seam welded steel pipe is used, the higher productivity of the kinds of steel, more used in more low-cost steel products one. Large diameter spiral welded steel pipe is used, c...

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