C90300 (SAE 620) Tin Bronze
CDA 903, SAE 620, Navy G, Alloy D5, Cu88 Sn8 Zn4, ASTM B505, ASTM B271, QQ-C-390 B
The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in composition and to manufacturing limitations, they should not be used for specification purposes. See applicable A.S.T.M. specification references.