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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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Seamless Steel Pipe VS Welded Pipe

Keywords :        Update : 2016-12-16        View(s) : 2481

The main difference between seamless steel pipe and  welded pipe  are molding process. General welded steel pipes such as water pipes, is generally flat plate by bending and welded together after that you can find a seam in the above; coarse diameter is usually spiral weld. The mo...

Welding Process of SAWH Steel Pipe

Keywords :        Update : 2016-12-15        View(s) : 2460

SAWH Steel Pipe  will strip into  welded pipe  unit, the multichannel roll rolling, strip steel rolled up gradually, there is an open space form of round billet, adjust the quantity of the squeezing roller, make the weld gap control in 1 ~ 3 mm, and make joint fl...

Piling Pipe

Keywords :        Update : 2016-12-15        View(s) : 38

Now SSAW steel pipecommonly used standards are generally divided into: SY/T5037-2000, GB/T9711.1-1997, API5L, SY/T5040-92.The use of SSAW steel pipe: products are widely used in water supply engineering, petrochemical industry, chemical industry, power industry, urban construction, is China's devel...

The Kinds of API 5L Steel Pipe Tempering

Keywords :        Update : 2016-12-14        View(s) : 2324

According to the performance requirements of GB/T9711.1  API 5L Steel Pip e   is different, according to the different tempering temperature, tempering can be divided into  the following several: 1.Low temperature tempering (150-250 degrees) Low t...

Specifications Analysis of SAWH Steel Pipe

Keywords :        Update : 2016-12-13        View(s) : 2321

1, Uneven wall thickness: pipe wall thickness can not throughout the same objective wall thickness ranges phenomenon exists in its cross-sectional and longitudinal tubular body, ie uneven thickness. In order to control this unevenness in some steel standards specified in the uneven wall thickness a...

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