AMPCO METAL 18 is an alpha-beta aluminum bronze having high resistance to wear and fatigue. It has high strength combined with good ductility and toughness. 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 casting, machining, and joining. Filing Code: Cu-51. Producer or source: Ampco Metal Inc..