Form 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 cm2) and under in cross-sectional area@ and stock of any size for flash welded rings. Application These products have been used typically for parts requiring strength up to 800 ??(427 ?? and which may be welded during fabrication@ but usage is not limited to such applications.