CORROSION CASE HISTORY: Corrosion of Mild‐steel Chimney Stacks by Waste Combustion Gases — Prevention

Heavy corrosion resulted from the sulphur dioxide content, temperature and variation in relative humidity of the combustion gases in mild‐steel stacks, and replacement had been necessary after about two years' service. However, as this case history shows, such stacks can be free from corrosion and in excellent condition after many years' service.