This document specifies the terms and definitions, symbols and abbreviations, markings, pipe structure and connection methods, materials, general provisions, technical requirements, test methods, inspection rules and signs, packaging, and transportation of MASPE mesh skeleton plastic steel composite steady-state pipes. and storage. This document is applicable to MASPE perforated mesh skeleton plastic steel composite steady-state pipes (hereinafter referred to as "pipes") for pressure water transportation and drinking water inside and outside buildings where the temperature of the transmission medium does not exceed 70°C for long-term use.