ARMCO 20-45-5 is a corrosion resistant nickel-base alloy that is extremely resistant to hot chloride stress-corrosion cracking and has superior resistance to intergranular attack in the sensitized condition. 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 forming, heat treating, machining, and joining. Filing Code: Ni-169. Producer or source: Armco Steel Corporation, Advanced Materials Division.