The importance of anti-corrosion steel pipe

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3PE anti-corrosive steel pipe refers to the insulation of the steel pipe to ensure that the internal temperature of the working steel pipe and the surface temperature together in a different working environment slow down or prevent corrosion and deterioration under the chemical and electrochemical action of the external medium, perhaps due to the metabolic activities of microorganisms. Anti-corrosion method. The method of anti-corrosion is generally to apply paint on the surface of metal pipes that have passed the rust removal to blocking them from various corrosive media. This represents one of the most recent methods for steel pipe anti-corrosion. Types of coating materials and application conditions. The inner wall anti-corrosion coating is applied to the film on the inner wall of the pipe to prevent corrosion in the pipe and reduce the frictional resistance. To decrease the heat dissipation of the pipeline to the soil, a composite layer of thermal insulation and anti-corrosion is added to the outside of the pipeline. If the outer protective pipe is a polyethylene pipe, there is no need to lose corrosion protection. Because polyethylene has excellent low-temperature resistance, good chemical stability, and most acid and alkali corrosion, it is insoluble in common solvents at room temperature and has low water absorption.

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Three-layer polyethylene anti-corrosion is one of the foremost technology systems for external anti-corrosion of buried pipelines at home and abroad. It has excellent anti-corrosion function, low water absorption rate, and advanced mechanical strength. In recent years, it has become more and more widely used in domestic buried water, gas, and oil pipelines.

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