6 Unwrought and partly-wrought common metals and theirs alloys, namely, steels, stainless steels, coated steels; laminated and sectional metal building materials, namely, heavy sections, joists, sheet piles, reinforcing metal materials for concrete, metallic lining plates for construction purposes, floors of metal, partitions of metal; transportable building of metal; materials of metal for railway tracks, namely, rails; non electric cables and wires of common metal, namely, welding wires, barbed wires, tubes and pipes of metal; ironmongery and small items of metal hardware, namely, grates and screens of metal, metal grids and netting, coated and non coated metal fences, metal cloths and coated and non coated wire mesh, metal springs, metal wire drawing; nails, metal nuts and bolts; goods of metal not included in other classes, namely, scrap iron, multi-layered metal sheets, metal door frames; metal moulds for the foundries, namely, foundry chill-molds; iron and steel products, namely, metal billets, steel in the form of sheets, steel plates, iron binding strips used in packaging, steel coils, thin band of metal, sections, metal bars for further manufacture, metal joists, metal ball lock pins, metal slabs, extra heavy oxy-cut sheet metals and pieces and forged, molded, molten, stamped, pressed, soldered or machined, metallic material and metallic workpieces and formed pieces, all for industrial use; metallic constructions and construction parts, namely, shores, supports, braces, metal cladding, metal staples