BS 4HR 601:2010

This standard BS 4HR 601:2010 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) is classified in these ICS categories:

• 49.025.99 Other materials

This British Standard specifies requirements for nickel-chromium-titanium-aluminium heat-resisting alloy in the following forms, for the manufacture of fasteners.

1. Bar and wire for machining: cold worked and solution treated, designation HR 601A.

2. Bar and wire for continuous cold forging or cold extrusion: cold worked and softened, designation HR 601B.

3. Bar and wire for hot upset forging: cold worked, designation HR 601C.