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Reasons for the misalignment of spiral steel pipes
In production practice, steel pipes are often degraded due to wrong edges and excessive tolerances. Therefore, it is necessary to analyze the causes of the misalignment of spiral steel pipes and their preventive measures. The sickle bend of the steel strip is the main factor causing the misaligne...Read more -
Inspection standards and welding control issues for thick-walled steel pipes
Through observation, it is not difficult to find that whenever thick-walled steel pipes, thermally expanded pipes, etc. are produced, strip steel is used as the production raw material, and the pipes obtained by thick-walled welding on high-frequency welding equipment are called thick-walled stee...Read more -
Seamless steel pipe heat treatment process
Annealing is to heat the cold-rolled precision bright steel pipe to an appropriate temperature, adopt different holding times according to the material and workpiece size, and then slowly cool it. The purpose is to make the internal structure of the metal reach or approach an equilibrium state an...Read more -
Main types of anti-corrosion coatings for large diameter spiral pipelines
Anti-corrosion of large-diameter spiral pipelines means that when large-diameter spiral pipelines are used and transported, the pipelines are affected by the use environment and the transportation medium, causing chemical or electrochemical reactions to cause corrosion of the pipelines. To effect...Read more -
How to store square and rectangular tubes?
To ensure the long-term use of square tubes and rectangular pipes, it is important to prevent corrosion during storage. To prevent corrosion, appropriate measures should be taken. 1. Control the storage environment Select a warehouse for storing square and rectangular pipes based on geographical ...Read more -
Main uses and process characteristics of galvanized steel pipes
A galvanized pipe is also called a galvanized steel pipe. Galvanized steel pipe can increase the service life of the steel pipe and prevent rust to a certain extent. This encyclopedia will introduce the classification, main uses, and process characteristics of galvanized steel pipes. Classificati...Read more