ATI X-751 is a high-aluminum version of ATI X-750. It is a high-strength, precipitation hardenable, nickel-chromium alloy that employs nickel and titanium as the hardening elements. The alloy has good creep-rupture strength up to 815 °C (1500 °F), and excellent oxidation and corrosion resistance up to 980 °C (1800 °F). This datasheet provides information on composition, physical properties, and hardness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-776. Producer or source: ATI.