Cause of pipeline corrosion: During the use and transportation of hazardous chemical pipelines, storage tanks, etc. in petroleum refining and other chemical enterprises, corrosive substances such as sulfides and water-soluble alkalis will be present. Corrosion of production equipment and transportation pipelines during the production, processing, and transportation process. Once the pipeline is corroded and damaged, it may lead to oil and gas leaks, which can easily cause fires and threaten the safety of surrounding residents' lives and property.