Common metals and their alloys; iron; unwrought or semi-wrought steel; cast iron, unprocessed or semi-processed; iron scrap; iron, unprocessed or semi-processed; ores of metal, including crude or processed ores; building materials of metal; materials of metal for railway tracks, including rails and component parts thereof; non-electric metal wires and cables, including metal welding wires and barbed wire; metal tubes and pipes (building materials); gratings of metal and wire netting, fences of metal, furnished or not with wire mesh and nets (construction materials); springs; hardware of metal; plates and cold-rolled strips of metal, sandwich foils and multi-layered metal products not included in other classes; frames, of metal; metal tanks and metal containers; packaging means of common metal and tinplate; metal goods of iron and steel, namely billets, lastro wall plug, plates, sheets of metal, plates, rings, hoops, spools, profiled battens, billets, beams, beams, bands, tube rods, wires and cables, billets, balls, casting and forging of ingots; goods of metal, namely forged, molded, cast, stamped, drawn, welded or machined metal pieces for use in the manufacture of boilers.

Machines for transforming ores into ferrous products and for forming iron or steels; machines and machine tools, for use in the field of electrolysis of iron.

Scientific and technological services, namely, research and design services in the fields of metallurgy, namely, steel and steel manufacturing; scientific research and development services, industrial analysis and research services, in the fields of metallurgy, iron, steel, manufactured steel; advisory and research services with respect to technology in the fields of metallurgy, iron, steel, steel manufacturing; engineering services; provision of information and technical advice for improving the quality of the products and services of a metallurgist; testing of materials; mechanical research; support services in relation to the following fields: material testing and mechanical research; conducting technical project studies, namely, technological research in the fields of metallurgy, steel, steel manufacturing; technical and scientific information and support services for improving the quality of goods and services in the field of metals, steels and the applications therof, namely for the construction, automotive and domestic appliance industries; engineering services in relation to the following fields: steels and the use thereof.