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: 410116Phone:0086-731-8873-9521
Keywords : Update : 2016-11-16 View(s) : 2055
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...
Keywords : Update : 2016-11-15 View(s) : 1708
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...
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...
Keywords : Update : 2016-11-10 View(s) : 1740
Pipe under internal pressure, usually on the wall there are two main stress, namely the radial stress delta Y and delta X axial stress. Synthetic stress of the weld of the delta delta Y = (l / 4 sin2 alpha + cos2 alpha) 1/2, among them, the alpha for spiral welded pipe weld spiral Angle. Weld s...
Keywords : Update : 2016-11-09 View(s) : 1842
1,SY5036-2000, which is mainly used to transport oil and natural gas pipelines, is used to carry the pressure fluid; 2,Spiral seam high frequency welding steel pipe SY5038-2000 for bearing fluid conveying, high frequency lap welding method for welding, high frequency welding pipe of...