Flat wire for underwear
Flat rolling of round steel is one of the main production methods for producing high precision flat wire. After cold drawing to specification size, the hot rolled wire rod is softened by recrystallization annealing, followed by rolling and final heat treatment, and qualified products are obtained. The whole process is subjected to two heat treatment, and the final heat treatment is mainly obtained by quenching of martensite after oil quenching, and then tempering at different temperatures to obtain the required mechanical properties.
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