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What are the heat treatments of stainless steel welded pipes

What are the heat treatments of stainless steel welded pipes

Keywords :What are the heat treatments of stainless steel welded pipes        Update : 2023-04-12        View(s) : 603

During the production process of stainless steel welded pipe , intermediate heat treatment, and finished heat treatment can be carried out. Because a bright surface without oxidation can be obtained, the traditional pickling process is canceled. The use of this heat treatment process not only imp...

What are the processes of sawing off the spiral steel pipe

What are the processes of sawing off the spiral steel pipe

Keywords :What are the processes of sawing off the spiral steel pipe        Update : 2023-04-11        View(s) : 690

Do you know how the spiral steel pipe is sawed off? After a series of treatments such as forming, welding, and cooling, the spiral steel pipe still needs to be sawed. In this link, the length of the technical spare ruler directly affects the quality and sales of the finished welded pipe, so...

How to deal with the sealing method of steel flange leakage

How to deal with the sealing method of steel flange leakage

Keywords :How to deal with the sealing method of steel flange leakage        Update : 2023-04-10        View(s) : 635

1. Leakage location and condition The connecting steel flange bolts on both sides of the DN150 valve body leak. Since the steel flange connection gap is extremely small, it is impossible to inject sealant through the gap to eliminate the leakage. The leakage medium is steam, the temperature of t...

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld

Keywords :Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe weld         Update : 2023-04-07        View(s) : 627

The weld seam of the spiral steel pipe is longer than that of the straight seam steel pipe. If the pipe length is L, the weld seam length is L/cos(θ). However, most of the defects of steel pipes are concentrated in the weld seam and the heat-affected zone. The long weld seam means that the proba...

What should be paid attention to when welding galvanized steel pipe

What should be paid attention to when welding galvanized steel pipe

Keywords :What should be paid attention to when welding galvanized steel pipe        Update : 2023-04-06        View(s) : 1

The welding of galvanized steel pipe should pay attention to the following: 1. Galvanized steel pipes with a pipe diameter greater than 100mm should be connected by flanges or ferrule-type special pipe fittings. 2. For the weld between galvanized steel pipe and flange, to ensure the welding ...

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