The stress corrosion crack causes of the reboiler cylinder served in sulphur removing system were analyzed by chemical composition,microstructure,fracture appearance and EDS of corrosion products.

• 采用化学成分、金相组织、断口形貌及腐蚀产物的能谱分析等方法分析了脱硫系统塔底重沸器产生裂纹的原因。