Allloy AC 66 is a high temperature austenitic steel with alloying additions to improve oxidation resistance and alloying limitations to improve internal oxidation. Typical applications are waste handling to energy boilers and coal gasification plants. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-710. Producer or source: European metal producers.