A comprehensive study of the quality of experimental wire rod made of steel C82D2 with 0.30% chromium has shown that this material can be used as a replacement for vanadium-bearing wire rod. In this case, it is necessary to subject the rod to two-stage cooling on a Stelmor line in a process that includes the following: • coil formation at t co = 940–970°C; for 12.0-mm-diam. wire rod, t co = 960–1000°C; • the operation of six jet-cooling blocks operating with a motor speed of 1480 min −1 ; • transport of the metal on a roller converyor moving at a speed of 0.5 m/sec. The presence of martensitic sections and a cementite (carbide) network in the structure of the metal is not grounds for rejection of the product.
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Сычков et al. (2006) studied this question.
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