Forging is metal was pressure, through the plastic deformation shaping required shape or suitable compressive objects. This power by using the typical hammer or pressure to achieve. Casting process built delicate granular structure, and improved the metal of physical attributes. In parts of reality in use, a proper design can make the particle flow in the main stress direction.
Forgings need each piece is consistent, without any porous, surplus space and inclusions or other defects. This method of production elements, strength and weight ratio of a high ratio. These components are usually used in aircraft structure. Forgings several advantages of length, stretchable contractions cross-section, The contractions of length, stretchable cross-section, Can change of length, may change the cross-section. Forgings species are: free forging/hand forging, hot die forging/precision forging, top forging, rolling forging and forging