... wide usage 4.high efficiency Super Audio Frequency Induction Heating Machine DataModelCYP-30CYP-50CYP-60CYP-70CYP-80CYP-90CYP-120CYP- ... The thermal efficiency of more than 95%, compared with other heating methods (such as gas, oxygen, acetylene, coking coal, ... saving7) The workpiece surface uniform heating, fast temperature rise, reducing the surface oxide layer and the workpiece deformation degree8) ...