Forging

Forging is a manufacturing process involving the shaping of metal using localized  compressive forces.The blows are delivered with a hammer (often a power hammer) or a die.Forging can produce a piece that is stronger than an equivalent cast or machined part. As the metal is shaped during the forging process, its internal grain deforms to follow the general shape of the part. As a result, the grain is continuous throughout the part, giving rise to a piece with improved strength characteristics.