Generation of free fatty acid during lockdown and its effect on the corrosion in rolling emulsion tank

Corrosion in roll coolant tank is a rare phenomenon in the steel industry. The ability of the cold rolling emulsion to prevent corrosion on the cold rolled steel, the mild steel coolant tank, the mill housing and pipelines stems from the presence of oil soluble corrosion inhibitors, anti-oxidants or anti-wear additives present in rolling oil formulation. During normal operational conditions, the mill coolant (mixture of oil and water) along with...