氢对X65钢及其焊缝力学性能及腐蚀行为影响

黄涛, 朱宇, 邓宇, 王岐山, 田一晨, 陈旭

Effect of Hydrogen on Mechanical Properties and Corrosion Behavior in 3.5%NaCl Solution of X65 Steel and Its Weld Zone

HUANG Tao, ZHU Yu, DENG Yu, WANG Qishan, TIAN Yichen, CHEN Xu

表1 X65管线钢化学成分 (mass fraction / %)

Table 1 Chemical composition of X65 pipeline steel

Material C Si Mn P S Cu Ti Cr Al Ni V Nb Fe Base metal 0.11 0.28 1.38 0.015 0.028 0.02 0.02 0.02 0.06 0.02 0.06 0.04 Bal. Weld joint 0.07 0.18 1.51 0.020 0.004 0.02 0.02 0.04 0.02 0.02 0.06 0.06 Bal.