居住小区供水管道材料的选择,应根据供水水压,外部荷载,土壤性质,施工维护和材料的供应条件等确定。可采用球墨铸铁管、钢管、预应力钢筋混凝土管、自应力钢筋混凝土管、硬聚氯乙烯给水管、ABS塑料给水管和玻璃钢管等。一、管材类别及其适用性概述1、球墨铸铁管球墨铸铁管经久? Residential district water supply pipe material selection, should be based on water pressure, external load, soil properties, construction and maintenance and material supply conditions to determine. Ductile iron pipe, steel pipe, prestressed reinforced concrete pipe, self-stressing reinforced concrete pipe, rigid PVC water supply pipe, ABS plastic water supply pipe and fiberglass pipe can be adopted. First, the overview of the type of pipe and its applicability 1 Ductile iron pipe ductile iron pipe durability?