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 :Method for straightening straight seam steel pipe Update : 2023-11-08 View(s) : 476
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) : 462
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...
Keywords :Acceptance method of straight seam steel pipe Update : 2023-11-03 View(s) : 1
1. The inspection and acceptance of straight seam steel pipes shall be carried out by the technical supervision department of the supplier. 2. The supplier guarantees that the delivered straight seam steel pipe meets the requirements of the corresponding product standard. The purchaser has the...
Keywords :Straight seam steel pipe acceptance steps Update : 2023-11-02 View(s) : 615
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...