HASTELLOY Alloy G is a nickel-base alloy recommended for tough environmental applications. It resists hot sulfuric and phosphoric acid service, and is also resistant to stress-corrosion cracking. This alloy is covered by U.S. Pat. No. 2,777,766. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-113. Producer or source: Union Carbide Corporation, Stellite Division.