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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 of Fluid Pipe and Structure Steel Pipe

Keywords :        Update : 2016-11-18        View(s) : 1677

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) : 1849

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) : 1963

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) : 1600

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...

Standards For API 5L Steel Pipe

Keywords :        Update : 2016-11-11        View(s) : 124

The American Petroleum Institute(API), founded in 1919, is the largest petroleum and natural gas industry association in the United States. The main contribution of API  is to develop a series of standards for oil and gas industry in accordance with legislative and environmental requireme...

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