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 :Causes of slag inclusions in the production of anti-corrosion spiral steel pipes Update : 2023-03-31 View(s) : 1067
Anti-corrosion spiral steel pipe is made of low-carbon structural steel rolled into a tube blank according to the relative helix angle, and then the pipe seams are welded together. It is also called spiral steel pipe or spiral welded pipe. Anti-corrosion spiral steel pipe manufacturers will prod...
Keywords :Identification method of fake and shoddy thick-walled seamless steel pipe Update : 2023-03-29 View(s) : 703
1. Shoddy thick-walled seamless steel pipes are prone to folding. Folding is a variety of fold lines formed on the surface of thick-walled seamless steel pipes, and this defect often runs through the longitudinal direction of the entire product. The reason for the folding is that the fake and in...
Keywords :The service life of galvanized steel pipe fittings Update : 2023-03-27 View(s) : 511
The service life of galvanized steel pipe fittings is long, but the service life is different in different environments: 13 years in heavy industrial areas, 50 years in oceans, 104 years in suburbs, and 30 years in cities. The yellow water is directly caused by galvanizing. Due to the threaded c...
Keywords :Packaging and storage of oil casing Update : 2023-03-23 View(s) : 616
According to the first edition of American Petroleum Institute standard APISPEC5CT1988, casing steel grades are H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P- 110, Q-125, a total of 10 types. Oil casing shall be supplied with threads and couplings, or with one of the following pipe ends: pla...
Keywords :How to prolong the service life of spiral steel pipe Update : 2023-03-21 View(s) : 551
To prolong the service life of the spiral steel pipe , the first thing that should be thought of is to do a good job in the anti-corrosion work of the spiral steel pipe. Because the spiral steel pipe is mostly stored outdoors, it is the easiest to rust after experiencing wind and rain, so it is c...