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 :Production process of LSAW pipe Update : 2023-11-10 View(s) : 280
Longitudinal submerged arc welded pipe (LSAW) is generally made of steel plate as raw material. After different forming processes, double-sided submerged arc welding and post-weld diameter expansion are adopted to form a welded pipe. The main equipment includes a milling machine, pre-bending ...
Keywords :Method for straightening straight seam steel pipe Update : 2023-11-08 View(s) : 315
First, the straight seam steel pipe is bent in the same direction as the weld Reason: Insufficient normalizing of the weld seam, thermal stress exists on the side of the pipe close to the weld seam, so it will bend in one direction after cooling. Solution: 1...
Keywords :The anti-corrosion structure and advantages of 3PE anti-corrosion steel pipe Update : 2023-11-06 View(s) : 1
1. Anti-corrosive structure of 3PE anti-corrosive steel pipe 3PE anti corrosion generally consists of three layers: the first layer of epoxy powder (FBE>100um), the second layer of adhesive (AD) 170~250um, and the third layer of polyethylene (PE) 2.5~3.7mm. In actual operat...
Keywords :Straight seam steel pipe acceptance steps Update : 2023-11-02 View(s) : 452
1. The approval procedure for batch acceptance of straight seam steel pipes should meet the corresponding product standards. 2. Straight seam steel pipes should meet the corresponding product standards, including inspection items, sampling quantity, sampling location, and test methods. With...
Keywords :Precautions when welding spiral steel pipe Update : 2023-10-31 View(s) : 322
It is imperative to weld and cut the spiral steel pipe structure in the application of spiral steel pipe. Because of the characteristics of the spiral steel pipe itself, the welding and cutting of the spiral steel pipe have its particularity compared with ordinary carbon steel, and it i...