Box Furnace / Ovens

BOX FURNACES: Box furnaces are used for a variety of operations including tempering, annealing, and normalizing. NATIONAL HEAT TREAT has seven different box furnaces with working zones of 32" wide x 52" deep x 32" high and able to handle loads up to 3000 lbs at temperatures as high as 1400℉. A bake oven is available for lower temperature applications.