Specification for nickel-chromium-titanium-aluminium heat-resisting alloy billets, bars, forgings and parts (Nickel base, Cr 19.5, Ti 2.2, Al 1.4)

Specification for nickel-chromium-titanium-aluminium heat-resisting alloy billets, bars, forgings and parts (Nickel base, Cr 19.5, Ti 2.2, Al 1.4)

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1   Scope

This British Standard specifies requirements for nickel-chromium-titanium-aluminium heat-resisting alloy supplied in the following forms, and as parts.
  1. a) Bars and extruded sections for machining: solution treated, designation HR 1A.
  2. b) Extruded sections for subsequent forming: softened, designation HR 1B.
  3. c) Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 1C.
  4. d) Forgings: solution treated, designation HR 1D.