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 : 2016-11-22 View(s) : 1745
Because ssaw steel pipe can be made by a coil width continuous forming welding production, easy automation, and using double-sided automatic submerged arc welding type, there are a variety of testing method to check weld quality assurance checks. Therefore, when laying oil pipel...
Keywords : Update : 2016-11-21 View(s) : 81
Piling Pipe is widely used in coastal, river, lake area. Offshore deepwater terminal project in the country have also been large-scale construction in coastal areas, and as a major deep-water dock pile bearing capacity, generally use the large diameter spiral weld pipe, in addition...
Keywords : Update : 2016-11-20 View(s) : 1802
ERW is high-frequency resistance welding straight seam welded pipe; LSAW is submerged arc welding straight seam welded pipe; Both belong to straight seam welded pipe , but the welding process are different. So you can't say one of them on behalf of the straight seam welded pipe. More commo...
Keywords : Update : 2016-11-20 View(s) : 1779
SSAW steel pipe factory should be done before the mechanical performance test and flattening test, and flaring test, and to achieve the standard requirements. Spiral steel pipe quality inspection method is as follows: 1, From the face of it, that is visual inspection. Visual inspection of we...
Keywords : Update : 2016-11-18 View(s) : 1732
For the ssaw steel pipe , although the result of the tensile test specimens substantially independent of sampling direction, but the test results v Charpy impact specimen was closely related to the sampling direction. When sampling along the rolling direction CVN maximum value when the ve...