AMPCO METAL 12 is a cast aluminum bronze having good impact resistance, moderate strength and good wear resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness and fatigue. It also includes information on corrosion resistance as well as machining and joining. Filing Code: Cu-26. Producer or source: Ampco Metal Inc..