Спосіб нітроцементації виробів із сталі та чавуну

Abstract

A method comprises the heating of steel and cast iron and their keeping at the temperature of 700-760°C in saturated medium, containing of ammonia, iodine and carbon-containing substances. At that heating and keeping is carried out in medium, containing iodine and carbon-containing substrance as tetramethylammoniumiodide at its consumption of 0.25-1.0 g/h on liter of working volume of furnace.