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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: 410116

Phone:0086-731-8873-9521  

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Spiral steel pipe dredging common problems

Spiral steel pipe dredging common problems

Keywords :Spiral steel pipe dredging common problems        Update : 2023-07-07        View(s) : 1

When the spiral steel pipe is blocked, it will not only affect our use, but also have a certain corrosion effect on some materials inside the spiral steel pipe, so if it is not dredged in time, it will have a very bad effect after a long time. First is to wash with water and use the pressur...

Manufacturing Technology of Large Diameter Longitudinal Submerged Arc Welded Steel Pipe

Manufacturing Technology of Large Diameter Longitudinal Submerged Arc Welded Steel Pipe

Keywords :Manufacturing Technology of Large Diameter Longitudinal Submerged Arc Welded Steel Pipe        Update : 2023-07-06        View(s) : 699

Large-diameter straight seam submerged arc steel pipes are mainly responsible for pipeline transportation of marine and land oil and gas, oil and natural gas, coal and ore pulp, etc., especially suitable for the "West-to-East Gas Transmission" project currently under construction in my country, ...

Causes of rust and corrosion of spiral steel pipes

Causes of rust and corrosion of spiral steel pipes

Keywords :Causes of rust and corrosion of spiral steel pipes        Update : 2023-07-05        View(s) : 734

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...

Comparison of technical characteristics of spiral welded pipe and straight seam welded pipe

Comparison of technical characteristics of spiral welded pipe and straight seam welded pipe

Keywords :Comparison of technical characteristics of spiral welded pipe and straight seam welded pipe        Update : 2023-07-04        View(s) : 994

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...

Steel pipe pressure processing method

Steel pipe pressure processing method

Keywords :Steel pipe pressure processing method        Update : 2023-07-03        View(s) : 855

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...

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