Concast C89325 is a lead-free casting alloy that can be interchangeable with C937 (Alloy Digest Cu-421, August 1981). C89325 is classified as a bismuth tin bronze. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance as well as machining. Filing Code: Cu-893. Producer or source: Concast Metal Products Company.