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 :Comparison of technical characteristics of spiral welded pipe and straight seam welded pipe Update : 2023-07-04 View(s) : 686
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) : 596
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) : 549
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) : 521
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...
Keywords :Selection requirements and acceptance steps of submerged arc steel pipe Update : 2023-06-28 View(s) : 535
Selection requirements for submerged arc steel pipe : 1. For pipelines with high requirements for peak regulation, due to the uneven gas consumption of users and frequent fluctuations in pipeline pressure, the alternating stress on the steel pipe is very large, and the existing defects in the p...