Specification for nickel-chromium-cobalt-titanium-aluminiumheat-resistin g alloy billets, bars, forgings and parts (Nickel base, Cr19.5, Co 18.0 , Ti 2.5, Al 1.5)

Specification for nickel-chromium-cobalt-titanium-aluminiumheat-resistin g alloy billets, bars, forgings and parts (Nickel base, Cr19.5, Co 18.0 , Ti 2.5, Al 1.5)

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1   Scope

ThisBritishStandardspecifiesrequirementsfornickel-chromium-cobalt-titanium-aluminiumheat-resistingalloysuppliedinthefollowingforms, andasparts.
  1. a) Barsandextrudedsectionsformachining: solutiontreated, designationHR2A.
  2. b) Extrudedsectionsforsubsequentforming: softened, designationHR2B.
  3. c) Billetsandbarsforforging: hotorcoldworkedandsubsequentlymachinedorground, designationHR2C.
  4. d) Forgings: solutiontreated, designationHR2D.