Forging is a manufacturing process involving the shaping of metal using localized
compressive forces. Forging is often classified according to the temperature at which it
is performed: "cold", "warm", or "hot" forging. Forged parts can range in weight from
less than a kilogram to 580 metric tons. Forged parts usually require further processing
to achieve a finished part
Hammering by using hammer, hardy and anvil tools or bottom tools,
are metalworking tools used in anvils. A hardy has a square shank, which prevents it
from rotating when placed in the anvil's hardy hole. The term "hardy", used alone,
refers to a hot cutting chisel used in the square hole of the anvil. Other bottom
tools are identified by function. Typical hardy tools include chisels and bending drifts.
They are generally used with a matching top tool. Different hardy tools are used to
form and cut metal such as sheet metal forming by hand.
The swage is used to make metal round for final use as nails, bolts, rods or rivets. The
fuller is used to help bend metal, and make dents and shoulders. Many hardy shapes
have corresponding hammer shapes to help form metal, for example a "V"-shaped
fuller is used with an inverted "V"-shaped hammer to form iron into an angle shape.
Forging