... 028-1.064Weight0.43-24.52kg/mLength5.8-12mAdvantage: Tube have zinc layer thick, coating evenly, smooth surface, ... corrosion resistance, long service life and other advantages.Application: Tube is widely used in a.) Urban heating, gas, ... Coal, chemical industry;c.) Mechanical structures, construction, machinery, railway vehicles, automotive industry, roads, bridges, container, sports facilities, etc. ...