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C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
Verfahren, auf hohe Festigkeit, z. B. Dauerfestigkeit, beanspruchte Werkstuecke aus Metall oder Metallegierungen durch Kaltverwindung von Staeben, Draehten o. dgl. in sich herzustellen