Galvanized steel pipes are categorized intoCold galvanizedSteel pipesHot-dip galvanizedSteel pipes, cold galvanized steel pipes have been banned, with the latter still temporarily recommended by the state. In the 1960s and 1970s, internationallyDeveloped countriesWe are initiating the development of new pipe materials and progressively phasing out galvanized pipes. ChinaConstruction DepartmentPlease waitFour ministriesAlso issued a notice explicitly banning the use of galvanized pipes from 2000 onwards.Water Supply Pipe，New residential communityThe coldPipingDip-galvanized pipes are rarely used nowadays, but some residential areas still use them for hot water supply. Hot-dip galvanized steel pipes are commonlyFire protectionElectrical andHighwayWide range of applications.