Normalizing Furnaces

During the normalizing process metal is heated to a temperature and then held at that temperature for a specified amount of time. After the metal is finished with the heating process, it is air cooled at room temperature. The resulting microstructure has increased strength and hardness but lower ductility because it is a mixture of ferrite and cementite. The normalizing process is commonly performed in an industrial box furnace, pit or top load furnace, or integral quench furnace.

Rod Overbend Box Furnace

The Rod Overbend (RO) electric box furnace gives you flexible, efficient performance in a variety of heat treating applications.

Key Specifications

• Temperature Range: to 2000°F

• Atmosphere Capable

• Fast heating rate

• Exothermic, dissociated ammonia, or nitrogen atmosphere systems

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Silicon Carbide Element Box Furnace

The Lindberg/MPH Silicon Carbide (SC) heating element box furnace is designed to deliver precision high temperature uniformity required in the treating of high alloy and high speed tool steels.

Key Specifications

• Temperature Range: to 2500°F

• Standard endothermic atmosphere system

• Heating element circuit power transformer with tap switches

• Optional carbon control with oxygen probe

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Car Bottom Box Furnace

Lindberg/MPH manufactures fuel fired, electric powered and dual energy car bottom furnaces for batch processing large parts at temperature up to 2800°F.

Key Specifications

• Temperature Range: to 2800°F

• Gas or electric heat available

• Innovative and lightweight modular design for easy installation

• Modular construction

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HOMOCARB® Pit Furnace

These electric powered pit furnaces are designed to work with protective carbonaceous atmosphere.

Key Specifications

• Temperature Range: up to 1750°F

• Inert or Combustible Atmosphere Capable

• Microprocessor-based controls

• Optional automatic atmosphere control system

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Electronics Mesh Belt Conveyor Furnace

The open-chamber design provides a simple, effective furnace for copper brazing. The full muffle design provides superior temperature uniformity, reduced atmosphere gas usage, and even more flexibility in creating specific temperature profiles.

Key Specifications

• Temperature Range: 1300°F to 2100°F

• Belt widths available: 4" to 36"

• Three different styles: open chamber, full muffle, full muffle with pre-heat

• Optional atmosphere gas blending and mass-flow controls

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Roller Hearth Furnace

These roller hearth furnaces are designed for annealing, stress relieving, normalizing, tempering, hardening and other applications that require process temperatures up to 2050°F (1121°C) maximum. The roller hearth furnaces can be furnished in various widths and load-handling capabilities.

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Rotary Hearth Furnace

Electric or gas-fired rotary hearth furnace used primarily for gear hardening type applications that require process quenching. It comes standard with an endothermic gas atmosphere system. The temperature range for the rotary hearth furnace is 1850°F (1010°C) to 2300°F (1260°C).

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Rod Overbend Pit Furnace

The Rod Overbend (RO) pit furnace gives you flexible, efficient performance in a variety of heat treat applications including annealing, normalizing and hardening at temperatures up to 1850°F (2000°F optional).

Key Specifications

• Temperature Range: up to 1850°F

• Inert or Combustible Atmosphere Capable

• Standard endothermic atmosphere system

• Easy-loading vertical chamber

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