In this application video from THE LAB at Ambrell, a steel tool is heated to 1400 °F (760 °C) for an annealing application. An Ambrell EKOHEAT® induction heating power supply is used. The red sight on the part is from a pyrometer, the temperature displays on the controller to the left, and there is temperature indicating paint down the part.
As you saw in the video, heating took approximately 40 seconds. The client was using an oven for this application, but wanted a more rapid heating method for their annealing application. Induction also takes up less floor space than an oven, has no ramp up time, and heats only the portion of the part that requires heating.