碳钢和高强钢在南海大气环境中的初期腐蚀行为研究

王靖羽, 周学杰, 王洪伦, 吴军, 陈昊, 郑鹏华

Initial Corrosion Behavior of Carbon Steel and High Strength Steel in South China Sea Atmosphere

WANG Jingyu, ZHOU Xuejie, WANG Honglun, WU Jun, CHEN Hao, ZHENG Penghua

表1 4种钢材主要成分 (mass fraction / %)

Table 1 Main components of four kinds of steels

Steel C Si Mn P S Cu Cr Ni Fe Q235B 0.164 0.204 0.267 0.020 0.028 0.010 0.014 0.009 Bal. Q350EWR1 ≤0.07 0.27 ≤0.50 0.013 0.002 0.351 3.497 0.188 Bal. Q355 0.089 0.386 0.889 0.074 0.005 0.279 0.474 0.147 Bal. Q345NQR2 0.173 0.400 1.603 0.015 0.008 0.0048 0.014 0.023 Bal.