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 :Three large diameter spiral steel pipe connection methods Update : 2022-04-27 View(s) : 858
The most common connection method for large-diameter spiral steel pipes is welding, but in some projects, threaded connections, flange connections, socket connections, and groove connections are often used. Welding, flange connection Welding and flange connection is traditional spiral st...
Keywords :Straight seam steel pipe continuous rolling process Update : 2022-04-26 View(s) : 997
Straight seam steel pipe continuous rolling process, continuous rolling process is used in the continuous rolling and diameter reduction process of steel pipes. Continuous steel pipe rolling is a process in which steel pipes and mandrels move together in multiple stands. The deformation and move...
Keywords :How to deal with the natural gas pipeline-interface Update : 2022-04-25 View(s) : 955
(1) Gas pipeline preparation before construction ①Although the melting point of molten lead refined lead is 327℃, due to the operation in the open air, there is a certain distance between the molten lead and the pouring interface. Considering the temperature drop of molten lead during transpor...
Keywords :Why can 3pe anti-corrosion pipes be anti-corrosion Update : 2022-04-24 View(s) : 982
3PE anti-corrosion pipe means that it has three layers of anti-corrosion PE steel pipes. 3pe anti-corrosion pipeline is widely used today, a kind of steel pipeline with good anti-corrosion. What anti-corrosion materials are the structure of 3pe anti-corrosion pipes composed of? What are the pr...
Keywords :The difference between high frequency welded steel pipe and straight-seam welded steel pipe Update : 2022-04-22 View(s) : 1065
1. Different nature A. High-frequency welded steel pipe : After the hot-rolled coil is formed by the forming machine, the skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the tube blank, and pressure welding is performed under the action of the ex...