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Types of oil casing
Different types of oil casing used in oil extraction: Surface oil casing protects the drilling well from shallow water and shallow gas layers, supports wellhead equipment, and maintains the weight of other layers of casing. The technical oil casing separates the pressure of di...Read more -
What are the main technical characteristics of spiral steel pipe
The main technical characteristics of spiral steel pipe: During the forming process of the spiral steel pipe, the steel plate is uniformly deformed, the residual stress is small, and there is no scratch on the surface. The processed spiral steel pipe has greater flexibility in...Read more -
Galvanized steel pipe installation steps
1. Broken pipe: draw a line on the selected pipe according to the on-site surveying and mapping sketch, and cut the pipe according to the line. a. To cut the pipe with a grinding wheel saw, put the pipe on the caliper of the grinding wheel saw, align it with the drawn line and...Read more -
Introduction of straight seam steel pipe and precautions for using straight seam steel pipe
Straight seam steel pipe does not refer to a certain type of steel pipe, but a large class of welded pipe. It is made of steel strips. Steel pipes made with straight seam high-frequency welding equipment can be called straight seam steel pipes. In fact, in simple terms, When w...Read more -
What are the requirements for stainless steel fluid pipe
Stainless steel fluid pipes are used to convey fluid substances and are used in food, pressure vessels, industrial transportation, and other industries. Pipelines for transporting fluids have very high requirements on technology, the most critical points are: 1. Requirements f...Read more -
What are the heat treatments of stainless steel welded pipe
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 p...Read more -
About the characteristics and uses of straight seam steel pipe
Characteristics of straight seam steel pipes: Straight seam steel pipes generally refer to the use of special processes to carry out anti-corrosion treatment on ordinary steel pipes, so that the steel pipes have excellent anti-corrosion capabilities, and are generally used for...Read more -
How to deal with the sealing method of flange leakage
First. Leakage location and condition The connecting flange bolts on both sides of the DN150 valve body leak. Since the 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 tempe...Read more -
Introduction to the quality process and characteristic uses of large-diameter steel flanges
Large-diameter steel flange is a kind of steel flange, which is widely used and promoted in the machinery industry and has been well received and favored by users. Large-diameter steel flanges are widely used, and the range of use is determined according to different character...Read more