1.Product name:Galvanized square steel pipe 2.OD:15*15-800*800mm 3.WHK: ... , BS1387-1985MaterialQ195,Q215,Q235,Q345Zinc-coatingPre-galvanized:60-120g/m2 ;Hot galvanized , cold galvanized and off galvanized:200-400g/m2PackingStandard export packing or as ... , pipe of industrial, water pipe, plastic-steel doors and windows, fence equipment, telecommunication tubes as well as greenhouse tubes for different ...