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The upsetting of wire, rod, or barA section hot rolled from a billet to a form, such as round, hexagonal, octagonal, square, or rectangular, with sharp or rounded corners or edges, with a cross-sectional area of less than 16 sq in. (A solid section that is long in relation to its cross-sectional dimensions, having a completely symmetrical cross section and whose width or greatest distance between parallel faces is 3/8 in. or more).... More stockThe material to be forged regardless of form. Also, an individual piece of metal used to produce a single forging. in diesThe metal blocks into which forging impressions are machined and from which forgings are produced. to form parts that usually contain portions that are greater in cross-sectional area than the original wire, rod, or bar.