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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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Cold Expanded of Large Diameter Straight Welded Pipe

Keywords :        Update : 2017-01-05        View(s) : 2400

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) : 2357

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...

Carbon Steel Weldability

Keywords :        Update : 2017-01-04        View(s) : 2570

Welding means for welding materials under defined conditions for the construction of a member according to the design requirements, and the ability to meet the requirements of the predetermined service. By welding materials, welding, component type and use requirements affecting four factors.&n...

President Speech December 10, 2016

Keywords :        Update : 2017-01-03        View(s) : 2352

Innovation is an action to keeping up with the forefront of the market. Many companies in order to do innovation regardless of cost, which leads to out of the market and eventually hit the wall. In fact, the premise of innovation is based on the company reality, to research the market and learn...

How to Choose the SAWH Steel Pipe

Keywords :        Update : 2017-01-02        View(s) : 2618

Usage of spiral steel pipe is relatively high, the application is very wide, it should be how to choose before in the selection to pay attention to quality. The first method is a more professional detection method, that is, by the strength of the pressure vessel to be detected. Commonly,...

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