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 :What should we pay attention to when welding galvanized steel pipes Update : 2023-10-12 View(s) : 534
When welding galvanized steel pipes , you should pay attention to: 1. Galvanized steel pipes with a pipe diameter greater than 100mm should be connected using flange or ferrule-type special pipe fittings. 2. To ensure the welding quality of the welding joint between galvanized steel pipe and ...
Keywords :Four types of anti-corrosion coating techniques for steel pipes Update : 2023-10-11 View(s) : 526
Steel pipe anti-corrosion coating process 1: Using the shower coating method, the front, rear, and middle rollers are conveyed in a straight line to form a coating film. Then the shift fork is transferred, the hook-shaped chain is rolled and transported, and the steel pipe enters the steam oven ...
Keywords :The difference between seamless steel pipe and welded steel pipe Update : 2023-10-10 View(s) : 551
Welded steel pipes and seamless steel pipes are divided according to the processing form. Welded steel pipes are generally welded. Seamless steel pipes have two methods: cold drawing and hot rolling. Carbon steel pipes are made of materials. Galvanized pipes are produced by welded pipes. After c...
Keywords :Causes and preventive measures of single-sided undercut of submerged arc welded steel pipes Update : 2023-10-09 View(s) : 532
In the production process of submerged arc welded steel pipes , especially in high-speed welding, undercut has become the main defect in the production process of spiral submerged arc welded steel pipes. The defect of undercut mainly has the following surface forms: single unilateral undercut, si...
Keywords :Large diameter straight seam submerged arc welded steel pipe manufacturing technology Update : 2023-10-08 View(s) : 614
Large-diameter straight-slit submerged arc steel pipes are mainly responsible for the pipeline transportation of marine and onshore oil and gas, petroleum and natural gas, coal and mineral pulp, and other media. They are especially suitable for the "West-East Gas Transmission" project currently ...