BS 2HR 4:2010
Specification for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 15, Co 14. 2, Al 5, Mo 4, Ti 4)

Standard No.

BS 2HR 4:2010

Release Date

2010

Published By

British Standards Institution (BSI)

Latest

BS 2HR 4:2010

Replace

BS HR 4:1972 09/30199931 DC-2009

Scope

This British Standard specifies requirements for nickel-chromiumcobalt-aluminium-molybdenum-titanium heat‑resisting alloy supplied in the following forms, and as parts. a) Bars and extruded sections for machining: solution treated, designation HR 4A. b) Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 4B. c) Forgings: solution treated, designation HR 4C.

BS 2HR 4:2010 history

• 2010 BS 2HR 4:2010 Specification for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 15, Co 14. 2, Al 5, Mo 4, Ti 4)
• 1972 BS HR 4:1972 Specification for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 15, Co 14. 2, Al 5, Mo 4, Ti 4)