By the analyses of corrosive medium and manufacturing process quality,the cracks of glycol evaporators in Dushanzi Petrochemical Company have been confirmed to be intergranular corrosion cracks.

• 通过裂纹宏微观形貌分析、腐蚀介质分析、对蒸发塔制造过程质量分析等,证实了独山子石化乙二醇蒸发塔的裂纹属晶间型应力腐蚀裂纹。