HASTELLOY ALLOY B is a nickel-molybdenum-iron alloy well suited for equipment handling boiling hydrochloric acid and wet hydrochloric acid gas. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-36. Producer or source: Haynes Stellite Company.