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Routine maintenance and details are required when thick-walled steel pipes are used
Routine maintenance is required when thick-walled steel pipes are used: Thick-walled steel pipes are widely used steel varieties. It directly affects the economic benefits and the lives of people. All countries in the world attach great importance to the detection of thick-walled steel pipes, and...Read more -
Classification of the quality of large-diameter longitudinally welded steel pipes
The application of large-diameter longitudinally welded steel pipes has become very common in people’s lives, so do you know what grades the quality of large-diameter longitudinally welded steel pipes can be divided into? The following will introduce the specific content to you. Generally, ...Read more -
Installation points of stainless steel elbow
1. Before installation, carefully check the various standards of the stainless steel elbow, whether the diameter meets the requirements for use, eliminate the defects caused by the transportation process, and eliminate the dirt on the stainless steel elbow, make preparations before installation, ...Read more -
Packaging and storage of oil casing
According to American Petroleum Institute standard APISPEC5CT1988 1st edition, casing steel grades H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P- 110. There are 10 kinds of Q-125. The casing shall be supplied with threads and couplings, or in any of the following pipe end forms: plain end, ro...Read more -
Advantages and disadvantages of spiral welded pipe
(1) Steel pipes of different diameters can be produced by using strip steel of the same width, especially large diameter steel pipes can be produced from narrow strip steel. (2) Under the same pressure conditions, the stress on the spiral welded seam is smaller than that of the straight seam, whi...Read more -
What is the difference between welded steel pipe and welded spiral steel pipe
Welded steel pipes refer to steel pipes with seams on the surface that are welded by bending and deforming steel strips or steel plates into round, square, and other shapes. The blanks used for welded steel pipes are steel sheets or strips. Since the 1930s, with the rapid development of continuou...Read more