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 :Quality identification of spiral steel pipe Update : 2022-04-19 View(s) : 894
1. The trademark and printing of the high-quality tube are comparable to the standard. 2. The composition of high-quality steel is uniform, the tonnage of the cold shearing machine is high, and the end face of the cutting head is smooth and regular, while the inferior material often has the appear...
Keywords :Analysis of Pressure Grade of Carbon Steel Spiral Pipe Update : 2022-04-18 View(s) : 837
The pressure ratio of the spiral steel pipe on the gas pipeline also has a downward trend. For pipe diameter, pressure, and pressure ratio, it is necessary to carry out optimization calculations and comparisons. When the transmission volume is determined, after the pipe diameter, pressure, and p...
Keywords :What properties should the anti-corrosion layer of the steel pipeline have Update : 2022-04-15 View(s) : 811
(1) Effective electrical insulation. (2) It has good moisture and water resistance. (3) It has strong mechanical strength. (4) The anti-corrosion layer has good adhesion to the steel surface. (5) The material and construction process of the anti-corrosion layer should not adversely affect th...
Keywords :How to cool after the quenching process of large-diameter steel pipe Update : 2022-04-14 View(s) : 871
1. What is the heat treatment process of large-diameter steel pipes ? (1) During the heat treatment process, the reason for the change in the geometry of the large-diameter steel pipe is the effect of heat treatment stress. Heat treatment stress is a relatively complex problem. It is not only...
Keywords :Classification of welded steel pipes and the use and advantages of different welded steel pipes Update : 2022-04-13 View(s) : 904
Welded steel pipes can be classified into different types and types according to different classification methods. Welded steel pipes of different properties have different characteristics and characteristics in use and show different use values in use. Welded steel pipes can be classified i...