Product Description: 1.Galvanized steel pipe uses fine welded pipe and advanced galvanizing epuipment and technique with smooth finish, high corrosion resistance and pressure resistance. 2.It is widely used in the construction, pipe of industrial,water pipe, plastic-steel doors and windows, fence equipment,telecommunication tubes as well as greenhouse tubes for different planting and breeding business. Product Details: Outer diameter:48.3-48.6mm Wall thickness:1.8-4mm Length:0.3-12m