Specification for nickel-chromium-titanium-aluminium heat-resisting alloy bar and wire (maximum diameter or minor sectional dimension of 30 mm) for the manufacture of fasteners (nickel base, Cr 19.5, Ti 2.2, Al 1.4)

Specification for nickel-chromium-titanium-aluminium heat-resisting alloy bar and wire (maximum diameter or minor sectional dimension of 30 mm) for the manufacture of fasteners (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 in the following forms, for the manufacture of fasteners.
  1. a) Bar and wire for machining: cold worked and solution treated, designation HR 601A.
  2. b) Bar and wire for continuous cold forging or cold extrusion: cold worked and softened, designation HR 601B.
  3. c) Bar and wire for hot upset forging: cold worked, designation HR 601C.