
Universal Batch Quench Austemper Furnace UBQA
AFC-Holcroft UBQA austemper batch furnace – advanced molten salt quench technology
Product details
- Operating quench mediumMolten salts
- Quench temperature range180 – 430 °C (350 – 800 °F)
- Special featurePatented water-injection quench (water-like severity)
- Load capacityup to 20,000 lbs depending on model
- Materials supportedSteel + ADI (Austempered Ductile Iron)
Universal batch quench austemper system for molten salt heat treatment
The AFC-Holcroft UBQA furnace is engineered specifically for molten salt quench applications, delivering controlled austempering and carbo-austempering performance across a wide range of component sizes and geometries. With industry-leading salt reclaim efficiency and precise temperature control, UBQA systems support high-quality results with optimized media usage.
Technical features at a glance:
Patented water injection for water-equivalent quench severity.
99% quench salt reclaim efficiency.
Under-atmosphere load transfer to quench.
Compliant with current NFPA safety requirements.
Modular design for simplified maintenance and future capacity expansion.

Key Benefits for Your Operation
High metallurgical performance
Accurate austemper results — including deep sections up to 6" (152 mm).
Superior operating economy
Salt reclaim >99% reduces running cost and media replacement.
Built for flexibility
Handles a wide range of sizes and part geometries — from standard to oversized loads.
Digital process assurance
BatchMaster™ control captures and stores up to 10 years of furnace data for full traceability.
UBQA technical data
The following table outlines available sizes and load capacity data for Universal Batch Quench Austemper furnaces.
Reliable service throughout your entire system lifecycle
We support our customers throughout the entire lifecycle of their systems – from commissioning to ongoing operation, modernization and digital integration.
FAQ – AFC-Holcroft UBQA
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