ObjectiveHeat steel roofing screw to 1650 F to harden the threadsMaterial Steel roofing screws of varying diameters less than 1.25” (31.75mm) diameter, 5” (127mm) longTemperature:1650 F (899 C)Frequency:291 kHzEquipment • Power of 6 kW induction heating…

Date：2007/04/03