Hi-Treet Box Furnace

Hi-Treet Box Furnace

Product Details

The Hi-Treet Box Furnace has long life and reliability. There’s a minimum heating of outer skin to maintain safety while in use and also product load protection. Units with maximum temperature range up to 2500°F (1371°C). The Hi-Treet Box Furnaces feature:

  • Lightweight Moldatherm® insulation
  • Silicon carbide hearth plate


Annealing ∙ Ashing ∙ Carbon Firing ∙ Ceramic Firing ∙ Hardening ∙ Sintering ∙ Normalizing ∙ Austempering ∙ Brazing ∙ Preheating ∙ Solution Treating ∙ Stress Relieving ∙ Aging

Specifications are subject to change without notice.

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Key Specifications

ModelChamber Dimensions in. (cm)Atmos.
Input kWPowerMax.Load
Ship Weight
11-SCMT-8188-25A8 (20.32)18 (45.72)8 (20.32)5012.5 240V/1Ph/60Hz50850
11-SCMT-182418-25A18 (45.72)24 (60.96)18 (45.72)10040240V/3Ph/60Hz2402,120



  • Long life and reliability
  • Minimum heating of outer skin for safety
  • Product load protection


  • 8″ wide furnace is stackable
  • Chamber sizes – 0.67 cubic feet – 4.5 cubic feet
  • Lightweight ceramic fiber insulation
  • SCR Power module
  • Side-mounted double-hinged plug door
  • Silicon carbide hearth plate
  • Standard nitrogen atmosphere, but can operate with air or argon
  • Temperature- Up to 2500°F (1371°C)
  • Controller Console:
    • Programmable Temperature Controller
    • Microprocessor-based PID control (proportional, integral, derivative)
    • Adjustable high limit overtemperature protection
    • Simultaneous LED display of actual temperature vs. setpoint
    • May be configured to display temperature in either C or F (C standard)
    • Temperature controller provides four 16 programmable segments consisting of ramps (up or down) or dwells (timed holds)
    • Provides positive protection of both furnace and load in event of failure in the primary control circuit
    • Redundant circuit includes separate digital instrument with manual reset push-button, magnetic contactor and independent thermocouple
    • Allows modification and interrogation of all instrument control and configuration parameters from a remote computer
    • Communications port with I-Tools communications cable


  • Furnace stand
  • Transformer for 480V operation
  • Quench tank
  • Quench tank baskets