Pipes and tubes of metal; centrifugally cast metal and steel pipes with interior profiles for gas-cracking installations and steam-cracking installations; [ crude and semi-wrought common metals and their alloys; ] stainless steel; stainless steel castings for various industrial uses and centrifugally cast, stainless steel pipes; metal castings for further manufacture 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; metal castings for further manufacture being shaped metal parts made from heat-resistant and wear-resistant special alloys for descaling installations in cement factories and ore-roasting installations; steel in the form of bars, free-form metal forgings, ] metal castings being shaped metal parts, [ investment castings, ] centrifugal castings [ and components ready to assemble in the form of metal kin rollers and metal transport rollers for heat treatment facilities, metal dip rollers and metal current guiding rollers for galvanizing 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; stainless steel, special aluminum alloys, special metal alloys for further manufacture, and ni- and other co-master alloys in the nature of nickel and cobalt based alloys, all these especially in the form of bars, free-form metal forgings, metal castings being shaped metal parts, investment castings, centrifugal castings [ and components ready to assemble in the form of metal kin rollers and metal transport rollers for heat treatment facilities, metal dip rollers and metal current guiding rollers for galvanizing 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 ]

[ Treatment of materials, namely, treating metal for producing pipes and tubes of metal, centrifugally cast pipes with interior profiles for gas-cracking installations and steam-cracking installations,] [ crude and semi-wrought common metals and their alloys, ] [ stainless steel, stainless steel castings and centrifugally cast, stainless steel pipes, metal 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, metal 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 in the form of bars, free-form metal forgings, ] [ metal castings being shaped metal parts,] [ investment castings, ] [ centrifugal castings ] [ and components ready to assemble in the form of metal kin rollers and metal transport rollers for heat treatment facilities, metal dip rollers and metal current guiding rollers for galvanizing 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, stainless steel, special aluminum alloys, nickel and cobalt based alloys, all these especially in the form of ] [ bars, free-form metal forgings, ] [ metal castings being shaped metal parts, ] [ investment castings, ] [ centrifugal castings ] [ and components ready to assemble in the form of metal kin rollers and metal transport rollers for heat treatment facilities, metal dip rollers and metal current guiding rollers for galvanizing 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 tolls for the non-ferrous metal industry and profiled rollers for pipe facilities for the production of pipes with longitudinal seam ]