Corrosion of buried pipelines in the urban sewage remedy undertaking is mostly soil erosion, which is characterized by scattered piping, soil conditions are quite complicated, so the corrosion mechanism is really advanced.nnSoil erosion and soil in the salt, water, oxygen and the electrochemical corrosion of coating steel pipe composition, microbial erosion. As the urban underground electrical amenities, cable is a lot more dense, stray existing corrosion is additional really serious, site even as a result of the pipeline near the plant may perhaps be acid or alkaline media of chemical corrosion.nnBuried pipelines normally move as a result of the town streets, buildings, rivers, etcetera., below force challenging. In addition, the carbon steel pipe may be buried by rock backfill sand during the collision and extrusion destruction.nnThe celebration of buried pipeline inspection and mend corrosion damage is not effortless to make corrosion even worse. Often result in the repair service environmental hurt. Simply because of this, and the corrosion of buried pipeline style and design everyday living of the basic demands in 20 ~ 30a higher than.nnMore data,pls pay a visit to:Hunan excellent metal pipe co.,ltd