ULTRA 76 TANTALUM alloys have been used in various process industry applications requiring resistance to aggressive, hazardous chemicals. These tantalum alloys provide cost-effective, long service-life for critical components in severe (corrosive) environments. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as heat treating. Filing Code: TA-13. Producer or source: H.C. Starck Inc.