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) : 533
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 :How to maintain hot-dip galvanized steel pipe Update : 2023-11-09 View(s) : 492
Hot-dip galvanized steel pipes are widely used in industrial production, mainly due to their good performance. To give full play to the good performance of seamless steel pipes, it is sometimes necessary to galvanize the hot-dip galvanized steel pipes. After all, after mass production of seamles...
Keywords :Method for straightening straight seam steel pipe Update : 2023-11-08 View(s) : 550
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 :Method of straight seam steel pipe in preheating deformation Update : 2023-11-07 View(s) : 530
1. Reasonable selection of materials. For precision messy molds, micro-deformed mold steel of good quality should be selected. For mold steel with serious carbide segregation, reasonable casting and quenching and tempering heat treatment should be carried out. For larger and unsuit...
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...