SANDVIK SANICRO 31HT is an austenitic iron-nickel-chromium alloy characterized by very good resistance to oxidation with good mechanical properties at elevated temperatures. It is recommended for resistance element sheathing, pyrometer tubes, airheaters, equipment for heat treating, furnace tubes, and other equipment in the petrochemical industry. This datasheet provides information on composition, physical properties, hardness, 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, joining, and surface treatment. Filing Code: SS-530. Producer or source: Sandvik.