Continuous air bluing furnace

Continuous air bluing furnace is applicable to heat treatment technology of tempering, bluing and blacking in air for such small metal accessories as chains/chain pieces, springs, hardware tools, precision components and auto parts etc. Max. equipment temperature is designed to be 500 ℃. Bluing furnace is a kind of equipment to make metal material surface blue. Bluing treatment is currently one of the most advanced and ideal heat treatment equipment processes. Treated workpiece surface has solid color layer and uniform color effect. Users can freely adjust the intensity of blue color.