Lucifer’s HL7-H24 hardening box furnace designed for everyday heat treating

Lucifer Furnaces has delivered a model HL7-H24 high-temperature hardening box furnace to a metal stamper for everyday heat treating. It has a 9- by 12- by 24-in. chamber and heats to 2,300 degrees F. Temperature is controlled with a Honeywell digital time proportioning temperature controller.

Designed with thick walls of insulation for uniform heating and low outside shell temperature, this bench model is designed for long-lasting, energy-efficient operation, the company reports.