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 :Causes of rust and corrosion of spiral steel pipes Update : 2023-07-05 View(s) : 436
Because spiral steel pipes are stacked outdoors, and most of them are buried in the ground when they are in use, they are easy to corrode and rust. To ensure the smooth flow of the pipes, spiral steel pipe manufacturers must have strong corrosion resistance. Once the pipeline is corroded, it wil...
Keywords :Comparison of technical characteristics of spiral welded pipe and straight seam welded pipe Update : 2023-07-04 View(s) : 654
1. Metallurgical properties of materials Longitudinal submerged arc welded pipes are produced from steel plates, while spiral welded pipes are produced from hot rolled coils. The rolling process of the hot-rolled strip mill has a series of advantages and can obtain the metallurgical process fo...
Keywords :Steel pipe pressure processing method Update : 2023-07-03 View(s) : 556
Fundamentally speaking, the measures to prevent the formation of pores in the weld are to limit the dissolution or generation of gas in the molten pool and to exclude the gas present in the molten pool. (1) Eliminate gas sources: ①Surface treatment Before welding the steel weldment, the oxide fi...
Keywords :What should be paid attention to in the construction of steel pipe piles Update : 2023-06-30 View(s) : 522
The construction quality of steel pipe piles is related to the stability of buildings, so some details must be paid attention to during the construction of steel pipe piles . Precautions for the construction of steel pipe piles mainly include: 1. The steel pipe pile needs to be measured and ...
Keywords :How to prevent the formation of weld porosity Update : 2023-06-29 View(s) : 489
Fundamentally speaking, the measures to prevent the formation of pores in the weld are to limit the dissolution or generation of gas in the molten pool and to exclude the gas present in the molten pool. (1) Eliminate gas sources: ①Surface treatment Before welding the steel pipe weldment, the...