FIELD: electrothermics, thermal working of long-length billets. SUBSTANCE: induction heating plant has outer winding connected to power supply source and embracing protective tube that houses additional induction-heating element made in the form of one or several sections of tubular body manufactured from current conductive material. Worked billets are placed into spaces of sections of tubular bodies. Plant can be fitted with unit controlling heating of additional measurement windings. EFFECT: effective heating of billet in comparison with other known means of same assignment. 9 cl, 3 dwg
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