Process for chilling metallic workpieces after heat treatment comprises contacting the workpiece with a super-cooled medium or super-cooled cooler

摘要

Process for chilling metallic workpieces (4) after heat treatment is carried out either in the heat treatment furnace or a gas-tight chamber. The workpiece is contacted with a super-cooled medium or super-cooled cooler. Preferred Features: The workpiece is contacted with the super-cooled medium or super-cooled cooler at the start of the chilling process, preferably in a furnace or gas-tight chamber, in which the workpiece is chilled. An Independent claim is also included for an apparatus for chilling metallic workpieces comprising a cooler with the workpiece in a chamber (1) and a device for super-cooling the cooler.