Pipes and tubes of metal, in particular centrifugally cast pipes with interior profiles for gas-cracking installations; crude and semi-wrought common metals and their alloys, in particular stainless steel and goods of divers material as far as included in this class; stainless steel castings and centrifugally cast, stainless steel pipes; castings being shaped metal parts for industrial furnaces and furnace installations, for pumps in power stations and chemical works, for fittings in the chemical and plastics industries and for industrial furnace construction, shipbuilding and mechanical engineering; castings being shaped metal parts made from heat-resistant and wear-resistant special alloys for descaling installations in cement factories and ore-roasting installations; steel, especially stainless steel, special alloys and Ni- and Co-master alloys, all these especially in the form of bars, free-form forgings, castings being shaped metal parts, investment castings, centrifugal castings and components ready to assemble in the form of kin rollers and transport rollers for heat treatment facilities, dip rollers and current guiding rollers for galvanising facilities, for centrifuges for the mechanic separation of solid and liquid mixtures, for collectors of reformer facilities as well as catalyst- and crack-pipes and -tubes for petrochemical facilities; tool steel, especially rapid machining steel, hot-work steel and cold-work steel, all these especially in the form of wrought products, bar steel, free-form forgings and ready to assemble tools and rollers, the ready to assemble tools and rollers especially in the form of punching tools for the non-ferrous metal industry and profiled rollers for pipe facilities for the production of pipes with longitudinal seam
