Usage/Application Mechanical & manufacture, Steel structure, Shipbuilding, Bridging, Automobile chassis, Industrial water lines/plant piping, Vehicular chassis and frames, Idlers & belt conveyors Agriculture and Irrigation, Scaffoldings, Electrical Cable conduits, Cooling towers, Antenna and Telecom Towers, Cold storages, Tabular poles Fire Protection Systems, HVAC, Plumbing, Fabrication industry, Food Processing, Pharmaceutical, Petrochemical, Chemical, Machine Building, Automobile. NAME:erw black square pipe q345 LOGO:LC SPECIFICATION:(1/2"-10") X (1.5-12mm) X (1-12m) ZINC THICKNESS:30-80 Microns MOQ:10 MT/SIZE STANDARD:BS EN10255 BS EN39 ASTM A53 GB/T3091 USAGE:1. Sacffolding, 2. Fluid Convey, 3. Fence, 4. Structure, 5. EMT, 6. Water Pipe PACKAGE:Hexagonal Seaworthy Bundle ADVANTAGE:Huge Capacity,Short Lead Time Can Ship Immediately For Regualar Sizes Good Surface QualityErw Tube suppliers website:http://www.tslcsteels.com/erw-tube/