Super alloys are metallic alloys that function at high temperature environment where high surface stability and deformation resistance are mainly required. Three major classification of super alloys include iron-base, nickel-base and cobalt-base alloys. Based on its application and composition, nickel-base and cobalt-base super alloys may be cast or wrought.
The iron-base super alloys are generally wrought alloys featuring stainless steel technology. Super alloys are commonly forged, rolled to sheet or produced in various shapes. However, highly alloyed compositions are produced as castings. These alloys contain different elements in various combinations in order to achieve the desired result.