本规范涵盖直径或平行边之间最小距离不超过12.000英寸（304.80毫米）的钛合金棒材、锻件和闪光焊接环，以及用于锻造或闪光焊接环的任何尺寸的坯料。标称厚度为3.000英寸（79.20毫米）或更大的棒材、锻件和闪光焊接环的最大横截面积应为113平方英寸（729厘米 2x）（见 8.5 ).

This specification covers a titanium alloy in the form of bars, forgings, and flash-welded rings up through 12.000 inches (304.80 mm), inclusive, in diameter or least distance between parallel sides, and stock of any size for forging or flash-welded rings. Bars, forgings, and flash-welded rings with a nominal thickness of 3.000 inches (79.20 mm) or greater shall have a maximum cross-sectional area of 113 square inches (729 cm 2x) (see 8.5 ).