galvanized metal tube
Galvanized metal tubes represent a cornerstone in modern construction and industrial applications, offering superior protection against corrosion through a protective zinc coating. These tubes undergo a specialized hot-dip galvanization process where steel or iron pipes are immersed in molten zinc at temperatures around 860°F (460°C), creating a metallurgically bonded coating that shields the base metal from environmental factors. The resulting zinc layer not only provides a barrier protection but also offers sacrificial protection, meaning the zinc will corrode preferentially to protect the underlying steel. These tubes find extensive use in water distribution systems, structural supports, electrical conduits, and various industrial applications. The galvanization process creates a uniform, adherent coating that typically lasts 20-25 years in normal environments, significantly extending the service life of the metal tube. The coating thickness can be customized according to specific requirements, usually ranging from 45 to 100 microns. Modern galvanized tubes also feature enhanced surface finish qualities, precise dimensional accuracy, and superior weldability, making them ideal for both indoor and outdoor applications.