AST

Common metals and alloys thereof that have been subjected to a hardening or conditioning process involving controlled heating and controlled cooling, namely, quenching; of the common metals and alloys

Metal products namely dies, that have been subjected to a hardening or conditioning process involving controlled heating and controlled cooling and/or quenching of the metal products

Metal hardening or conditioning services, namely, annealing, stress relieving, carburizing, case hardening, through hardening, and related metallurgical services by means of controlled heating and subsequent controlled cooling and/or quenching of a metal, alloy or metal product

Scientific and technological services and research and design relating thereto in the fields of metallurgy, heat treating and cooling of metals; industrial analysis and research services in the fields of metallurgy, heating and cooling treatments of metals and parts made of various metal alloys for a desired change in mechanical properties including hardness, ductility and stress state