[Class : 6] Erw Black /Galvanized Steel Pipes & Tubes , Hollow Sections, Scaffolding Tubes, Cold Rolled Formed Sections Like 'Z' Purlin Deck Sheet, Lip Channels, Guard Rail, Scaffolding Accessories, Win Dow Section , Angles, Beams, Plates, Channels, Rolled Ms Stripes, Plain & Corrugated Sheet, Pipe Fittings & Valves,Unwrought And Partly Wrought Common Mental And Their Alloys; Anchors' Anvils, Bells, Rolled And Cast Building Materials; Rails And Other Metallic Materials For Railway Tracks; Chains (Except Driving Chains For Vehicles), Cables And Wires (Non Electric); Locksmiths' Work; Metallic Pipes And Tubes; Safes And Cash Boxes; Steel Balls; Horseshces; Nails And Screws, Other Goods In Non Precious Metal Not Included In Other Classes; Ores.