... Q235,Q345,Q215,Q195 Outer diameter 20 ~ 219mm Wall thickness 0.8~ 12mm Standards ASTM-A53A, BS1387- ... 1985, GB/T30 Galvanized Pipes(hot dip galvanized pipe,galvanized steel tube) introduction:Material:Q235,Q345,Q215, ... , BS1387-1985, GB/T3091-2001Galvanized Pipes are Used for low pressure liquid delivery such as water, gas, ... various anticorrosive pipesPacking:In bundles Galvanized steel pipe for water