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 :Straight seam welded pipe quenching technology Update : 2022-08-15 View(s) : 798
The surface quenching and tempering heat treatment of straight seam welded pipes is usually carried out by induction heating or flame heating. The main technical parameters are surface hardness, local hardness, and effective hardened layer depth. Vickers hardness tester can be used for hardness ...
Keywords :The use of oil casing Update : 2022-08-11 View(s) : 763
An oil casing is a large-diameter pipe that acts to fix the wall or bore of oil and gas oil wells. The casing is inserted into the wellbore and fixed with cement to help the wellbore separate the rock formations and prevent the wellbore from collapsing while ensuring the circulation of drilling ...
Keywords :What is the difference between an oil casing and an oil drill pipe Update : 2022-08-09 View(s) : 862
There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Different materials. Oil casing is a steel pipe used to support the wall of oil and gas wells to ensure the normal operation of the entire oil well after drilling and completion. Several layers of ...
Keywords :Analysis of Pressure Grade of Carbon Steel Spiral Pipe Update : 2022-08-05 View(s) : 1
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 :The difference between a thin-walled spiral steel tube and a thick-walled spiral steel tube Update : 2022-08-03 View(s) : 811
The concept of a thin-walled spiral steel tube : the strip steel is fed into the welded pipe unit, rolled by multiple rollers, and the strip is gradually rolled up to form a circular tube blank with an opening gap, and the reduced amount of extrusion roller is adjusted to make the welding seam ga...