Abstract
In steel industries, reheating furnaces are used to reheat the billets, blooms, and slabs before hot working to make the rolling temperature uniform. During reheating operation, oxidizing atmosphere reacts with the metal surface forming ‘scale’ – an oxide layer. This scale formation is a loss of steel yield and a loss of product quality caused by roughened and defective surfaces. In this work, the scale formation of AISI-1018 carbon steel blooms has been studied. Three factors – oxidation, discharge temperature, and residence time in the furnace are considered. Data obtained is used to perform regression analysis and a functional relationship is obtained.
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