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Used furnaces for sale: high-temperature thermal processing for metals, chemicals and materials production

Explore used, secondhand and surplus furnaces from IPP – in stock and ready for sintering, calcining, annealing and more

Maximize throughput and control costs with IPP’s ready-to-ship industrial furnaces for demanding process applications

Featured Furnaces

Graphite Furnace

Type: Furnace

Condition: Used

Material: Graphite

Pressure: 4.8 bar (70 psi)

Temperature: 93.3 °C (200 °F)

Spray Casting system with AVS Graphite Vacuum Furnace and robotic spray casting arm Astro Series 1000A Graphite Vacuum Furnace 2 HP Kinney KMBD-850MS vacuum pump and booster, system control and monitor panel including Martin temperature controllers, Pennwalt Wallace digital monitors, Rosemont analyzer and other gas and pressure controllers Chamber manufactured by Advanced Vacuum Systems (AVS), National Board number 44, Serial number 3-1507, rated 70 psi @ 20 to 200 degrees F. Kinney KMBD-850MS oil seal vacuum pump driven by a 2 HP 3/60/230/460/ volt motor with vacuum booster and filter. With a Straubli RX90-C57 robot arm for spraying, loading and holding part in the vacuum chamber.

Width: 18.3 m (60 ft).

Unused Furnace

Type: Furnace

Manufacturer: Mellen Co

Model: SC13-2-3/3X12v-3Z.

Condition: Unused

Temperature: 1,300 °C (2,372 °F)

Width: 6.1 m (20 ft)

set of four split hinge tubular muffle furnace The split hinge design offers a cooler exterior and ease of loading and unloading. This furnace offers horizontal or vertical operation, and High powered heaters for fast heating. This product also includes Mellon's PS 305 rack mounted controls, that bolt into any standard 19" rack.. Mellon Controls are 22" long x 22" wide x 88" high. Muffle furnaces are palletiezed on a 4' x 4" pallet.

Furnace

Type: Furnace

Manufacturer: K.H. Huppert

Model: ST

Condition: Used

6KW electric furnace Style 12FMPCIFHT 220 Volt With 12" x 12" hinged front door

12.8 m3 (453 ft3) Carbon Steel Furnace

Type: Furnace

Manufacturer: Econo_Therm

Condition: Used

Material: Carbon Steel

Capacity: 4,396 KWH (15 mmBTU/h)

Fuel Type: Natural Gas

Height: 3.2 m (10.5 ft). Pressure: 189.6 bar (2,750 psi). Temperature: 510 °C (950 °F). Width: 3.2 m (10.5 ft). Burner Make: John Zinc. Oven Volume: 12.8 m3 (453 ft3).

Used furnaces are critical in industrial processes that require controlled, high-temperature environments for material transformation. From calcining powders to annealing metals or performing thermal oxidation, these systems offer precision heating and durability for continuous or batch production. With over 47 years of experience, IPP supplies secondhand and surplus furnaces from 20 global plant sites and maintains a massive inventory of more than 15,000 process systems, all available for fast delivery.

IPP’s inventory includes electric, gas-fired, rotary, box and tunnel furnaces from trusted manufacturers like Lindberg, Harper, SECO/WARWICK, Thermcraft and others.

Primary uses across industries

In metals and materials, for annealing, tempering, hardening and brazing
In chemical processing, for thermal decomposition and catalyst regeneration
In ceramics and glass, for sintering, glazing and batch heat treatment
In battery and electronics, for electrode drying, calcining and thermal activation

Types of materials processed

Metals, oxides and ceramics requiring phase change or strengthening
Catalysts, salts and powders needing precise calcining or drying
Glass, composites and advanced materials for aerospace and energy

Common materials of construction

Furnaces are designed for temperature extremes, chemical resistance and structural integrity:

Stainless steel or Inconel for high-temperature components and chambers
Alumina and refractory linings for thermal insulation and chemical resistance
Mild steel for outer shells and structural supports

Key features of industrial furnaces

Electric and gas-fired configurations with precision temperature control
Batch and continuous styles including rotary kilns, belt furnaces and box furnaces
Capable of exceeding 1000°C depending on process needs
Zoned heating for uniform temperature profiles
PLC or SCADA integration for real-time process control and automation

Furnace FAQ

Have questions about Furnaces or our services? Learn more about our products and why customers choose IPP.

Rotary furnaces are continuous and ideal for powders and granules, while box furnaces are batch-style and suitable for larger or irregular components.

Yes – many can be upgraded with new controls, heating elements or insulation to meet current process demands.

Industrial furnaces can range from 400°C to over 1800°C, depending on the materials and process.

IPP offers faster delivery, lower costs and 47+ years of experience matching thermal equipment to customer needs.

Learn more about industrial furnace design and operation from Thermal Processing magazine.

Find your industrial furnace at IMS

Search the IMS inventory or contact IPP’s high-temperature processing specialists to find the ideal used, surplus or secondhand furnace. With global inventory and rapid delivery, IPP helps you meet thermal processing goals while controlling capital costs.

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