Abstract
This chapter highlights that Metal Dusting (MD) involves the disintegration of bulk metals and alloys into metal particles at high temperatures in environments that are supersaturated with carbon. It is generally believed that the phenomenon is most widespread in the temperature range 400–700 °C. Such corrosion has been observed in processes in chemical and petrochemical industries where hydrocarbons or other strongly carburizing atmospheres are encountered. The chapter focuses on the metal dusting corrosion of steels with varying concentrations of chromium. Metal dusting corrosion of steels containing about 1.25 to 20 wt% Cr was investigated in CO–H2 environments at temperatures ranging from 650 °F (343 °C) to 1100 °F (593 °C). With increasing Cr content, the corrosion rate decreases and the corrosion becomes more localized. The corrosion process is strongly influenced by the chromium content of the steels.
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