QQ-S-764B, FEDERAL SPECIFICATION; STEEL BAR, CORROSION RESISTING, FREE MACHINING (06 JAN 1970) [S/S BY ASTM A484 & ASTM A582]
QQ-S-764B, FEDERAL SPECIFICATION; STEEL BAR, CORROSION RESISTING, FREE MACHINING (06 JAN 1970) [S/S BY ASTM A484 & ASTM A582]., This specification covers free machining corrosion resisting steel bar (see 6.1).