(1) Transferring (1) A forging operation in which the cross section of forging stock is reduced and the stock lengthened between flat or simple contour dies. See also Fullering. (2) in heat treating, the same as tempering. or sketch dimensions to templates or The metal blocks into which forging impressions are machined and from which forgings are produced. for use in The operation of machining the impression of a desired forging into die blocks. The metal blocks into which forging impressions are machined and from which forgings are produced.. (2) A detailed inspection operation in which significant dimensions of 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. are checked against blueprint The Society of Automotive Engineers..