Westinghouse Alloy B66 is a columbium-base alloy exhibiting superior strength at temperatures in excess of 2000 F, yet retaining sufficient ductility for formability and weldability by conventional means. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on forming, heat treating, machining, and joining. Filing Code: Cb-5. Producer or source: Westinghouse Electric Corporation.