GB/T 42541-2023 "Gas Pipeline Coated Steel Pipes" specifies the classification, order content, size, shape, weight, allowable deviation, technical requirements, test methods, inspection rules, Encasement, marking, mass certificate, transportation and storage requirements for coated welded and seamless steel pipes used in urban and industrial gas pipelines. This standard is applicable to the field of gas transportation to ensure the Reliability and safety of pipelines during safe operation and long-term use. The standard refers to a series of relevant standards, including coating performance measurement, steel pipe acceptance, coating drying time, salt fog performance, etc., to ensure the Stability and durability of coated steel pipes under various environment conditions.