... , BS1387-1985, GB/T30 Galvanized Pipes(hot dip galvanized pipe,galvanized steel tube) introduction:Material:Q235,Q345,Q215,Q195Outer diameter: 20 ~ 219mmWall ... : ASTM-A53A, BS1387-1985, GB/T3091-2001Galvanized Pipes are Used for low pressure liquid delivery such as water, gas, and oil ... product apply to various anticorrosive pipesPacking:In bundles Galvanized steel pipe for water