BRUSH Alloy 10 is a low beryllium, cobalt-bearing copper alloy offering an excellent combination of strength, toughness and conductivity due to an age-hardening heat treatment. It is recommended for springs, clutch rings, resistance welding electrodes and tips, etc. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as casting, forming, heat treating, machining, joining, and surface treatment. Filing Code: Cu-187. Producer or source: Brush Beryllium Company.