Havar is a heat-treatable cobalt-base alloy that provides very high strength. The alloy has excellent comsion resistance and is nonmagnetic. Applications include pressure diaphragms. power springs, gap spacers in magnetic heads, and target foils in nuclear physics. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Co-24. Producer or source: Hamilton Precision Metals.