Specification for nickel-chromium- iron-molybdenum-cobalt-tungsten heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 21.7, Fe 18.5, Mo 9, Co 1.5, W 0.6) Ingestion-build-107062 BS EN 1780-1 specifies a

BS EN 1780-1 specifies a five-figure numerical designation system for aluminium alloys and master alloys as specified in the relevant European Standards

ISO 4945 also provides users with a step-by-step procedure for the method

as well as the construction of system control schemes

This conversion factor is exact

included in EN 16931-1 and a syntax

Specification for nickel-chromium- iron-molybdenum-cobalt-tungsten heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 21.7, Fe 18.5, Mo 9, Co 1.5, W 0.6) Ingestion-build-107062 BS EN 1780-1 specifies a1 Scope This British Standard species requirements for nickel chromium iron molybdenum cobalt tungsten heat resisting alloy supplied in the following forms, and as parts. a) Bars and extruded sections for machining: annealed, designation HR 6A. b) Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 6B. c) Forgings: annealed, designation HR 6C.