... ss 304 stainless steel ball SpecificationsForged steel equal tee CS,SS,AS Manufacturer Std:ASTM/ANSI B16.11 B16. ... 9,Materials: CS,SS,AS Size : 1/2''-72'' Cert.: APIForged ... steel equal tee CS,SS,AS Manufacturer Std:ASTM/ANSI B16.11 B16.9 ... ,Materials: CS,SS,AS Size : 1/2''-72'' Cert.: API, ...