铸铁管具有建厂快,生产工艺简单,成本低廉,施工方便,耐腐蚀能力强等优点,是我国输水和煤气常用的管材。但近十多年来,由于种种原因,出现过一些问题,其中较突出的是在施工和使用过程中,管体破裂损坏,严重地影响了工程进度和生产使用安 Cast iron pipe has the advantages of quick establishment, simple production process, low cost, convenient construction and strong corrosion resistance, etc. It is a commonly used pipe for water and gas transmission in China. However, in the past decade or so, due to various reasons, there have been some problems, among which the more prominent ones are the cracking and damage of the pipe during construction and use, which has seriously affected the progress of the project and the safety of production and use.