This specification covers an aluminum alloy in the form of die forgings 4 inches (102 mm) and under in nominal thickness and forging stock of any size (see 8.6).
This specification covers a titanium alloy in the form of bars, wire, forgings, flash-welded rings, and stock for forgings or flash-welded rings up through 6.000 inches (152.40 mm) in nominal diameter or distance between parallel sides (see 8.6).
This specification covers a corrosion- and heat-resistant nickel alloy in the form of sheet, strip, and plate 0.010 to 2.000 inches (0.25 to 50.80 mm), inclusive, in nominal thickness.