Abstract
Calcium treatment of liquid steel is practised for better product quality and prevention of nozzle-clogging. Calcium is a powerful deoxidizer and desulphurizer. Several studies have been reported in literature on thermodynamics of reactions of calcium upon addition into liquid steel. These have been either experimental measurements or theoretical analyses or both. The present author and his co-workers have done some thermodynamic analyses and calculations for deoxidation of steel by some deoxidizers, including calcium. An important component of any work involving thermodynamics, is assessment of literature data for selection of reliable values of the same. This paper reports the assessment exercise, carried out by the present author on deoxidation constant for calcium.
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