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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) : 441

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) : 496

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) : 723

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) : 629

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...

What should be paid attention to in the construction of steel pipe piles

What should be paid attention to in the construction of steel pipe piles

Keywords :What should be paid attention to in the construction of steel pipe piles        Update : 2023-06-30        View(s) : 582

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 ...

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