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 :Pre-welding and welding essentials of straight seam steel pipe Update : 2023-05-30 View(s) : 596
Pre-welding of straight seam steel pipes : pre-welding includes seams and welds. 1. The joint (that is, the forming seam) has no misalignment or the misalignment is less than the specified value. Generally, the amount of misalignment is ≤ 8% of the plate thickness, and the maximum is not more t...
Keywords :What is the difference between oil casing and oil drill pipe Update : 2023-05-26 View(s) : 574
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 walls of oil and gas wells to ensure the normal operation of the entire oil well after the drilling process and completion. Each well ...
Keywords :What is the role of oil casing in the process of oil drilling Update : 2023-05-24 View(s) : 650
Surface casing: install the oil casing head on the top, suspend and support the subsequent layers of the casing through the casing head; isolate the surface shallow water layer and the shallow complex bottom layer, so that the freshwater layer is not polluted by drilling fluid Intermediate ...
Keywords :Introduction to Common Methods of Steel Pipe Welding Update : 2023-05-22 View(s) : 998
At present, the commonly used methods for welding steel pipes are electrode arc welding (SMAW), submerged arc welding (SAW), gas tungsten arc welding (GTAW), gas melting arc welding (GMAW), flux cored arc welding (FCAW) and the following To welding and so on. (1) The advantages of electrode...
Keywords :The use and function of large diameter straight seam welded steel pipe Update : 2023-05-18 View(s) : 549
1. The use of large-diameter straight seam welded steel pipes can be divided into oil well pipes (casing pipes, oil pipes, drill pipes, etc.), pipeline pipes, boiler pipes, mechanical structure pipes, hydraulic prop pipes, gas cylinder pipes, geological pipes, chemical pipes (high-pressure Ferti...