Haynes 233 is a new nickel-cobalt-chromium-molybdenum-aluminum alloy that offers excellent oxidation resistance up to 1150 °C (2100 °F) or higher, coupled with superior creep strength—a combination of properties never before achieved in a readily fabricable alloy. This datasheet provides information on composition, physical properties, tensile properties as well as creep. It also includes information on high temperature performance. Filing Code: Ni-759. Producer or source: Haynes International, Inc.