FIELD: low-temperature tempering of miscellaneous parts and workpieces. SUBSTANCE: furnace has heating chamber lined with heat-insulating materials, electric heaters, fan, air conduits, waterwalls, and cover; chamber and cover are vertically split and have separate resistance heaters, and separate flat waterwalls; parts to be treated are placed in working space of furnace on single-gage car. EFFECT: improved uniformity of heating, provision for mechanization of work. 1 cl, 2 dwg
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