... 2.W/T: 2.8~6.5MM 3.Black, H.D.G., Pregalvanized 4.MOQ: 10T Material: Carbon steel Grade: Q195 ... Used for the conveyance of running water, gas, air, sewage, heating steam and water, etc and structural purposes like fence post, scaffolding ... , farming tool, bicycle pipe, green house pipe, road lamp post(13m), electric wire protection etc. Black, hot-dipped galvanized welded steel ...