This specification covers an aluminum alloy in the form of barsand rods 0.375 to 0.874 inch(9.52 to 22.20mm)in nominal diameter or least distance between parallel sides.
SAE AMS4318-1994 history
2005SAE AMS4318A-2005 Aluminum Alloy@ Rolled or Cold Finished Bars and Rods 12.2Si - 1.0Mg - 0.90Cu - 0.90Ni (4032-T86) Solution Heat Treated@ Cold Worked@ and Artificially Aged (UNS A94032)
1994SAE AMS4318-1994 Aluminum Alloy, Rolled or Cold Finished Bars and Rods 12.2Si - 1.0Mg - 0.90Cu - 0.90Ni (4032-T86) Solution Heat Treated, Cold Worked, and Artificially Aged (UNS A94032)