- Process
- Austempering
- Equipment type
- Salt bath furnaces
- Systems
- 5
Plan your equipment
Austempering can run in a single salt bath furnace or in an automated line that combines several processes. Send the process sequence, loading method and handling requirements, and we’ll talk through the setup.
Salt bath furnaces
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Automated Salt Bath Systems
Upton configures automated salt bath systems with PLC controls and material handling for multiple processes.
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Ceramic Salt Bath Furnaces
Only the faces of Upton’s submerged electrodes touch the salt, so the electrodes take up none of the bath space.
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Externally Heated Salt Pot Furnaces
Externally heated salt pot furnaces with carbon-steel or stainless-steel liners, electric resistance heaters or Upton Hurricane gas burners, for intermittent service.
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Internally Heated Salt Bath Furnaces
Internally heated salt bath furnaces for non-chloride salts, with carbon-steel or stainless-steel liners.
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Mar-Ausquenching Salt Bath Furnaces
An internal quench shroud and variable-speed propeller agitator provide vertical lamellar flow to the workload.
Externally or internally heated
Both are steel-lined salt bath furnaces. They differ in where the heat enters the salt: through the wall of a pot, or directly in the bath.
| Externally Heated Salt Pot Furnaces | Internally Heated Salt Bath Furnaces | |
|---|---|---|
| Heat enters | From outside the pot, through its wall | In the salt, from heat sources immersed in the bath |
| Electric | Electric resistance heaters | Immersion heaters for lower-temperature work; air- or water-cooled electrodes with transformers at elevated temperatures |
| Gas | Upton Hurricane tangential burners, designed to minimize flame impingement on the salt pot | Radiant tubes |
| Suited to | Intermittent service | Non-chloride salt applications |
| Liner | Carbon steel or stainless steel, selected for the operating conditions | |
| Drawings (PDF) | ||
To quote either furnace, send us:
- Part sizes
- Load weight
- Process temperature
- The salt you plan to run