Super alloys are also called high performance alloys. They contain a number of elements in a variety of combinations to reach the desired result. These alloys can function in environments with high temperatures and severe mechanical stress, and also in cases where high surface stability is needed. Super alloys have good creep and oxidation resistance.
Strengthening of super alloys is performed by work hardening, solid-solution hardening, and precipitation hardening methods.
Nimonic Alloy 263™ is a British nickel-chromium-cobalt-molybdenum alloy specially meant for use in high temperature and high strength applications. This alloy can be precipitation-hardened.