Induction heating units are meant for through heating of steel bar blanks of the tubes and other products for plastic deformation, for different technological purposes on machine-building enterprises. Heating blanks can have circular or rectangular section. Range of dimension-types - from 5 mm to 400 mm, square from 5 mm to 300 mm.Application of induction heating in machine-building sphere always leads to production quality increase, sharp productivity increase and improvement of ecological situation.