Arc Melt Furnace ABJ-900 is our largest system for sustained use above 3500°C with safety water flow interlock, insulated bellows, evacuation/gas system, and a heavy duty power source. The chamber hinges rearward giving complete access to the hearth area and chamber interior for easy loading, unloading, cleaning and maintenance.

The hearth plate includes many possible configurations of melting cavities and custom designs are supplied at no additional cost if specified at time of order.

The melting area is a 9.00″ (229 mm) diameter hearth cavity. Arc melting furnaces provide extremely pure melts. High vacuum turbo pumping system and other accessories available.


Arc Melt Furnace ABJ-900

General Specifications

  • Operating temperature over 3500°C (6332 F).
  • Large Bell Jar, top loading configuration.
  • 100% 304L grade stainless steel vacuum chamber.
  • Copper stinger with tungsten electrode.
  • Custom copper hearth plate 9.0” diameter (230 mm).
  • Sight window with 4″ diameter (104 mm) viewport and separate port with halogen light.
  • Power Supply: 500 Amp @ 80% Duty Cycle, 22 kVA.
  • Water-cooled with safety interlock.
  • Inert gas system with relief valve.
  • Vacuum system, rough vacuum or high vacuum.