Steel Core Hardening Furnace

The Waterbury Farrel Hardening Furnace is used to harden steel cores after they emerge from the Steel Core Swager. Steel is hardened when heat soaked at 900°C (1652°F) for 60 minutes then quenched in water. The steel solidifies into a martensite stage (brittle and almost crystalline steel). The rotating furnace retort handles batches weighing up to 35 kg (77 lbs). The furnace includes a quench tank with outfeed conveyor.

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