The standard specifies the technical requirements for the epoxy coal asphalt anti-corrosion layer of buried steel pipelines, including coating materials, construction techniques, Film thickness and performance testing. It aims to improve the anti-corrosion ability of steel pipelines and extend the service life. Edited by the China Petroleum and Natural Gas Pipeline Science Research Institute and approved by China National Petroleum Corporation, it ensures the standardization and effectiveness of anti-corrosion technology.