Galvanized steel pipe is a type of steel pipe that has been coated with a protective layer of zinc to prevent corrosion. This coating helps to extend the life of the steel pipe and makes it suitable for use in a wide range of applications, including water supply, gas supply, and structural support. Galvanized steel pipe is known for its durability and resistance to rust, making it a popular choice for outdoor and industrial use. It is also relatively low maintenance and can be easily installed and repaired.