The discussions on whether oxygenated treatment influences the exfoliation of oxide scale from superheater and reheater tubes have been lasted for more than ten years.Based on analysis of the experimental data and investigations on field application,several hot debates are analyzed in this paper.The research indicates that the oxygen in superheated steam can react with steel,and the reaction product Fe_2O_3 can promote the exfoliation of oxide scale from the austenitic steel,and the oxygenated treatment is ...