Common metals and their alloys; unworked cast parts, namely, alloys for casting; semi-finished and finished products of metal, namely, pump and valve parts, namely, baseplates, blades, casings, stems, flanges, disks, cones, sheet-metal-boxes; metallic moulds and models for manufacturing castings; pipes and tubes of metal; pipe junctions of metal; pipe joints of metal; fittings of metal for installing in pipework for liquid or gaseous media