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Marqunching Oils

HardCastle Petrofer

Our Marquenching oils/ Hot Quenching oils offer better cooling properties & higher oxidation resistance at higher operating temperatures. They can be used at operating temperatures from 80 to 190 deg C. Optimum Hardness & lowest distortion can be achieved using these marquenching oils due to the slow cooling rate during martensite formation. Typical applications are hardening of case carburised parts like transmission gears & shafts


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