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 : 2016-11-21 View(s) : 2471
The recent domestic hong kong-listed last have obvious pull up prices. The plank product outperformed long profile products. As a result, tablet, steady rise in the price of hot rolled plate products, and doing well. But the national development and reform commission, industry coordination departm...
Keywords : Update : 2016-11-20 View(s) : 1837
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) : 1820
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) : 1772
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...
Keywords : Update : 2016-11-18 View(s) : 1747
Fluid pipe is a hollow section, from the beginning to the end no weld steel pipe. With steel pipe manufacturing annular parts, can improve material utilization, simplifying the manufacturing process, material saving and processing time, such as rolling bearing ring, jack sets, at present has been w...