Lindberg/Blue M™ Box Furnaces

Lindberg/Blue M™ has long been a leader in the design and manufacture of thermal processing box furnaces. These furnaces save you money when treating large volumes of material per hour with exceptional uniformity and low maintenance. That’s why these box furnaces are used for a wide range of heat treating processes, such as carburizing, carbonitriding, clean hardening and other processes.



Lindberg/Blue M™ 1100 °C Box Furnace

Lindberg/MPH 1100 Lab Box Furnace

Our 1100°C Lab Box Furnaces are available in four popular chamber sizes to meet the most demanding laboratory applications.

  • Insulation and heating elements maintain uniform heat distribution
  • Energy efficient design
  • Removable and replaceable Moldatherm® hearth plate
  • Controlled heat-up rate eliminates thermal shock possibility

Lindberg/Blue M™ 1100 °C Large Chamber Box Furnace

The 1100°C Large Chamber Utility Box Furnace is available in nine chamber sizes to accommodate demanding laboratory applications.  

  • Moldatherm® insulation with fully embedded heating element
  • Double wall construction
  • Replaceable Moldatherm® hearth plate
  • 208/240V configurations

Lindberg/Blue M™ 1200 °C LGO Element Box Furnace

1200 LGO Element Furnace

The temperature uniformity and energy efficient designs of our 1200°C LGO Element Box Furnace eliminates thermal shock with quick response and heat-up and cool-down rates.  

  • Energy efficient design
  • Eliminates thermal shock with quick response and heat-up and cool-down rates
  • Safety door switch that interrupts power to heating element when door is opened

Lindberg/Blue M™ 1200 °C Box Furnace

1200 Box Furnace

Temperature uniformity, fast heat-up, recovery and cool-down rates are among the excellent benefits of out 1200°C Box Furnace. 

  • Double shell construction
  • Individual heating elements at chamber top, bottom, and sides
  • Moldatherm® ceramic fiber insulation
  • High temperature insulation in vestibule plug door
  • Refractory plate heating unit for Model BF51442C - all others use heating element embedded Moldatherm® pads
  • Plantinel® II thermocouple with 10 ft. compensated lead wire and polarized plug

Lindberg/Blue M™ 1500 °C Box Furnace

1500 Box Furnace

The 1500°C Box Furnace features a long element life which is essential for energy efficiency and low maintenance to meet today's workplace requirements.  

  • Rapid response rate
  • Dense load capability
  • Low maintenance required

Lindberg/Blue M™ 1700 °C Small Furnace

1700 Medium Chamber Box Furnace

Our 1700°C Small Chamber Box Furnace is energy efficient and comes in two popular sizes.  

  • Energy efficient design
  • Economical price
  • Fast heat-up recovery rates
  • Cool furnace exterior
  • Accurate temperature measurement

Lindberg/Blue M™ 1700 °C Large Chamber Furnace

1700 Large Chamber Box Furnace

 The 1700°C Large Chamber Box Furnace features a cool furnace exterior and is designed for long life. 

  • Energy efficient design
  • Economical price
  • Fast heat-up recovery rates
  • Accurate temperature measurement
  • Two popular sizes
  • Easy replacement without matching resistance values

Lindberg/Blue M™ 1800 °C Box Furnace

1800 Box Furnace

The 1800°C incorporates the latest technological advances in heating elements, insulation, and temperature control and features an operator safe swing-away door.  

  • Easy access to replaceable heating elements and thermocouples
  • Self-tuning feature establishes the best PID setting for your thermal process
  • Programmable temperature control

Lindberg/Blue M™ Treet-All Box Furnace

Treet-All Furnace

The Treet-All Box Furnace meets or exceeds industry standards for heat-up rates and outer shell temperatures, and also has excellent temperature uniformity.  

  • Modular, stackable, and space saving design
  • Side mounted double-hinged plug door
  • Long life and reliability

Lindberg/Blue M™ Temperite Box Furnace

Temperite Box Furnace

The Temperite Box Furnace's modular, stackable and space saving design make it convenient for any workspace.  

  • Meet or exceed industry standards for heat-up rates and outer shell temperatures
  • Full access to work chamber for convenience
  • Product load protection
  • Long life and reliability

Lindberg/Blue M™ Hi-Treet Box Furnace

Hi-Treet Box Furnace

The Hi-Treet Box Furnace has long life reliability. There's a minimum heating of outer skin to maintain safety while in use and also product load protection 

  • Lightweight Moldatherm® insulation
  • Silicon carbide hearth plate
  • Quick delivery