... , No.4 etc.321 Stainless steel coilStainless steel is a production which not easy rust,acid resistance and corrosion resistance ... HL, NO.1,etc.6. USE:construction.machinebuilding,container manufacturing,shipbuilding,bridges and so on.Common plate use:a variety of widely used to ... make containers,furnace shell,furnace plates,bridge still,the ship building plate and so on ...