MAR-M alloy 246 is a vacuum-cast nickel-base alloy combining precipitation hardening and solid solution strengthening. It has high rupture strength and adequate ductility in the recommended operating temperature range of 1200-1900 F. 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, joining, and surface treatment. Filing Code: Ni-134. Producer or source: Martin Metals Division.