Q345NS钢焊接接头耐硫酸腐蚀特性研究

石践, 胡学文, 何博, 杨峥, 郭锐, 汪飞

Sulfuric Acid Corrosion Resistance of Q345NS Steel Welded Joint

SHI Jian, HU Xuewen, HE Bo, YANG Zheng, GUO Rui, WANG Fei

表3 Q345NS焊接接头腐蚀产物的EDS分析

Table 3 EDS analyses of the points of the corrosion products formed on the surface in Fig.8

Point O Si Mn P S Cr Ni Cu Sb Fe 1 8.26 0.72 1.09 0.50 0.68 1.51 1.02 15.27 2.13 68.34 2 11.68 / 0.73 1.04 0.75 1.18 1.64 25.81 4.49 50.73 3 26.13 0.95 4.79 0.98 0.85 0.84 1.60 23.56 4.02 32.82