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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) : 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...

Steel pipe pressure processing method

Steel pipe pressure processing method

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...

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) : 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 ...

How to prevent the formation of weld porosity

How to prevent the formation of weld porosity

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...

Selection requirements and acceptance steps of submerged arc steel pipe

Selection requirements and acceptance steps of submerged arc steel pipe

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...

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