Batch and continuous. the furnaces are primarily used for hardening, brazing, annealing, tempering, sintering, nitriding, and carburizing of metal. Hayes also produces equipment for glass to metal sealing and for firing of ceramics, Heating Furnace, Metalworking Machines ...

Industrial Furnaces, Metalworking Machines, Quality Vacuum Heat Treating, Brazing, Carburizing and Nitriding; Vacuum heat treating specialists precise temperature processing resulting in bright, clean parts. 20 vacuum furnaces range from lab sized R&D furnace to 6 ft. diameter, 24 ft. depth, 50,000 lbs. hearth capacity. Capabilities include helium, argon, nitrogen pressure quenching. NADCAP ...