BS L 119:1975 Specification for ingots and castings of aluminium-copper-nickel-manganese-titanium-zirconium-cobalt-antimony alloy (solution treated and artificially aged) (Cu 5.0, Ni 1.5, Mn 0.25, Ti 0.2, Zr 0.2, Co 0.2, Sb 0.2)
standard by BSI Group, 09/30/1975