1. It has high strength, oxidation resistance and gas corrosion resistance, and is the most widely used and highest high temperature strength alloy in superalloy;
2. Has good comprehensive performance, can withstand various acid corrosion and stress corrosion;
3. In addition to wear resistance, its oxidation resistance and welding performance are good;
4. It is mainly used in the manufacture of automatic opening structural parts used in spacecraft, self-stimulating fasteners used in aerospace industry, artificial heart motors used in biomedicine, etc.;