Hot-dip galvanized steel pipe is a kind of steel pipe treated by galvanizing process, which has excellent anti-corrosion performance and long service life. The manufacturing process involves immersing the steel pipe in a molten galvanizing solution to attach a uniform layer of zinc to its surface. This kind of steel pipe is widely used in construction, transportation, water conservancy and other fields, and plays a role of structural support and protection. Its length can be customized according to demand, the common several meters to tens of meters. Due to its excellent corrosion resistance, hot-dip galvanized steel pipes show good durability in harsh environments, greatly extending the service life and reducing maintenance costs. In short, hot-dip galvanized steel pipe is an efficient and reliable metal pipe, which provides a solid support for various projects.