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 :How to choose a suitable storage warehouse for large-diameter steel pipes Update : 2023-02-23 View(s) : 660
(1) The warehouse should be selected according to geographical conditions. Generally, an ordinary closed warehouse is used, that is, a warehouse with a roof, a wall, tight doors and windows, and a ventilation device; (2) Do not stack together with acid, alkali, salt, cement, and other materials...
Keywords :Anti-corrosion spiral welded steel pipe technology Update : 2023-02-22 View(s) : 712
Due to the relatively large individual mass of spiral welded steel pipes, they must be stacked outdoors, but it is difficult to avoid being exposed to the sun and rain, so the problem of rust has always plagued the storage time and conditions of spiral welded steel pipes. Steel wire brushes...
Keywords :Briefly describe the difference between cold-drawn steel pipe and hot-rolled steel pipe Update : 2023-02-21 View(s) : 699
The difference between hot working and cold working: hot rolling is hot working, and cold drawing is cold working. The main difference: hot rolling is rolling above the recrystallization temperature, cold rolling is rolling below the recrystallization temperature; cold rolling sometimes has heating,...
Keywords :Why does precision steel pipe production need pickling Update : 2023-02-20 View(s) : 687
The role of pickling passivation in the process of prefabrication, welding, testing, and heat treatment, will make the surface of the steel pipe (carbon steel pipe, carbon copper pipe, stainless steel pipe) accumulate iron oxide, welding slag, grease, and other dirt so that the corrosion resista...
Keywords :What are the connection methods of seamless steel pipes Update : 2023-02-17 View(s) : 765
1. Compression type: Insert the pipe into the nozzle of the pipe fitting, fasten it with a nut, and use the screw force to compress the sleeve at the nozzle through the sealing ring, which acts as a seal and completes the connection of the pipe. 2. Welding type: The end of the pipe is processed wi...