本规范涵盖了公称直径为4.000英寸（101.60毫米）及以下或平行边之间最小距离为16平方英寸（103厘米）的钛合金棒材、线材、闪光焊接环 2x）及以下横截面积，以及任何尺寸的闪光焊接环的库存（参见 8.7 ).

This specification covers a titanium alloy in the form of bars, wire, flash-welded rings 4.000 inches (101.60 mm) and under in nominal diameter or least distance between parallel sides and 16 square inches (103 cm 2x) and under in cross-sectional area, and stock of any size for flash-welded rings (see 8.7 ).