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 :The difference between submerged arc welded spiral steel pipe and straight seam high frequency welde Update : 2023-07-12 View(s) : 1
The submerged arc welding spiral steel pipe uses continuous welding wire as the electrode and filler metal. During work, a layer of granular flux is covered in the welding area. The arc of the large-diameter spiral pipe burns under the flux layer to melt the end of the welding wire and the local...
Keywords :The molding process of steel bending pipe and how to prevent aging Update : 2023-07-11 View(s) : 437
Steel bending pipe processing and forming process: 1. Die forging. For socket welding and threaded tees, crosses, elbows, and other small pipe fittings, the shapes are more complicated and should be manufactured by the die forging process, and the die forging blanks should be rolled profiles, ...
Keywords :Uneven thickness of the anti-corrosion coating on spiral steel pipe and its treatment Update : 2023-07-10 View(s) : 455
Spiral steel pipes are mainly used as fluid pipes and piling pipes. If the steel pipes are used for running water after they are made, they will generally be treated with anti-corrosion treatment on the inner or outer surfaces. The general anti-corrosion methods include 3pe anti-corrosion, epoxy...
Keywords :Spiral steel pipe dredging common problems Update : 2023-07-07 View(s) : 1
When the spiral steel pipe is blocked, it will not only affect our use, but also have a certain corrosion effect on some materials inside the spiral steel pipe, so if it is not dredged in time, it will have a very bad effect after a long time. First is to wash with water and use the pressur...
Keywords :Manufacturing Technology of Large Diameter Longitudinal Submerged Arc Welded Steel Pipe Update : 2023-07-06 View(s) : 383
Large-diameter straight seam submerged arc steel pipes are mainly responsible for pipeline transportation of marine and land oil and gas, oil and natural gas, coal and ore pulp, etc., especially suitable for the "West-to-East Gas Transmission" project currently under construction in my country, ...