... galvanized pipes: 240-400g/m2End treatmentplain,beveled, /threaded with sockets/coupling and plastic caps/flangeSurface treatmenthot dipped galvanized, ... steel pipe,square/rectangular hollow section,seamless steel pipe, steel strip, steel coil, square bar,flat bar, egual angle ... your requirements, 2.anti-corrosion and high-temperature resistant with black painting 3.all the products process are made ...