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 : 2016-12-16 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...
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...
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...
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...
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...