Galvanized steel pipes are categorized intoCold galvanizedSteel pipesHot-dip galvanizedSteel pipes, cold galvanized steel pipes are banned, while the latter is temporarily recommended by the state for use. In the 1960s and 1970s, developed countries internationally began to develop new types of pipes and gradually banned galvanized pipes. ChinaConstruction DepartmentThe Ministry of Housing and Urban-Rural Development, along with three other ministries, has issued a document clearly stating the ban on the use of galvanized pipes as water supply pipes from 2000 onwards. For newly constructed residential areas, coldPipingGalvanized pipes are rarely used anymore; some residential areas still use them for hot water pipes. Hot-dip galvanized steel pipes inFire ProtectionElectricity andHighwayWide applications are available.