BS 3HR 504:2011 Specification for nickel-chromium-titanium heat-resisting alloy bar and wire for rivets and rivets (Maximum diameter or minor sectional dimension 20 mm) (Nickel base, Cr 19.5, Ti 0.4)
2011BS 3HR 504:2011 Specification for nickel-chromium-titanium heat-resisting alloy bar and wire for rivets and rivets (Maximum diameter or minor sectional dimension 20 mm) (Nickel base, Cr 19.5, Ti 0.4)
1973BS 2HR 504:1973 Specification for nickel-chromium-titanium heat-resisting alloy bar, wire and rivets (nickel base, Cr 19.5, Ti 0.4)