(1) A The process of working metal to a desired shape by impact or pressure in hammers, forging machines (upsetters), presses, rolls, and related forming equipment. operation in which the cross section of A wrought rod, bar, or other section suitable for subsequent change in cross section by forging. is reduced and the The material to be forged regardless of form. Also, an individual piece of metal used to produce a single forging. lengthened between flat or simple contour The metal blocks into which forging impressions are machined and from which forgings are produced.. See also Reducing the cross section of a forging between ends of stock.. (2) in Amount of forging stock placed in a batch-type furnace at one time. treating, the same as tempering.