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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

Hotonline: 0086-187-7406-7534 


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The Defects in Welded Steel Pipe Manufacturing

Keywords :        Update : 2017-01-08        View(s) : 1912

There are usually two heating products for the pipe billet of the welded steel pipe, including pre-heating and rolling tube. When manufacturing welded pipe , the  two heating products should be heated before in a given path, and it requires the use of intermediate annealing so that t...

How to weld pipe

Keywords :        Update : 2017-01-06        View(s) : 2080

First of all  welded pipe  weld clean oil, paint, water, rust, etc., and then open the groove according to the thickness, to open a large number of thick, thin it to open a small number of (angle grinder, then that is the gap of product, generally 1- 1.5 times the diameter of ...

Shinestar Group Passionately Presenting a Gift for 2017

Keywords :        Update : 2017-01-06        View(s) : 1778

New year, new begin, new dream. Before the Chinese New Year comes, Shinestar Group to have care, support the construction and development of the group of all customers, partners, employees, and friends from all walks of life, with the most cordial greetings and best wishes! Thanks for the ...

Cold Expanded of Large Diameter Straight Welded Pipe

Keywords :        Update : 2017-01-05        View(s) : 1922

Cold expanded of large diameter straight  welded pipe  is a use of hydraulic or mechanical means urging the steel pipe from the steel wall along the radially outward  dilatation pressure molding process. Mechanical than hydraulic mode, the device is simple and more efficie...

Welding Technology and Packaging Methods of Spiral Pipe

Keywords :        Update : 2017-01-05        View(s) : 1902

Such as  spiral steel pipe  weld gap is too large, the effect of cuts constituting nearby, eddy current lack of heat, weld crystal adverse indirect co-occurrence of cracks or lack of fusion; if the gap is too small, the effect is increased near constitute, excessive heat weldin...

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