ZIRCONIUM GR. II is a hafnium bearing zirconium alloy recommended for industrial corrosion applications. It is a high strength alloy designed for service in alkalies and all but the strongest of mineral acids. 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, and joining. Filing Code: Zr-1. Producer or source: Carborundum Metals Company.