This specification covers a titanium alloy in the form of bars up through 4.000 inches (101.60 mm) in nominal diameter or least distance between parallel sides, inclusive, and maximum cross-sectional area of 32 square inches (206.5 cm²), forgings of thickness up through 4.000 inches (101.60 mm), inclusive, and maximum cross-sectional area of 32 square inches (206.5 cm²), and stock for forging of any size (see 8.6).