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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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Difference between SSAW Steel Pipe and LSAW Steel Pipe on Rupture

Keywords :        Update : 2016-11-18        View(s) : 2073

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) : 2044

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) : 2207

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) : 2297

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...

Piling Pipe Production Process

Keywords :        Update : 2016-11-15        View(s) : 1925

Piling pipe   use Spiral Pipe is a strip coil as raw material, often warm extrusion molding, automatic double wire-sided submerged arc welding process welded spiral seam steel pipe. (1) raw materials that strip, wire, flux. We must go through rigorous physical and chemic...

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