COPPER Alloy 31 is an iron-chromium-molybdenum casting alloy having good resistance to oxidation at temperatures up to about 1200 F. It is recommended for furnace parts and oil refinery equipment. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-205. Producer or source: Cooper Alloy Corporation.