碳钢和耐候钢在南沙海洋大气环境中的初期腐蚀行为

刘雨薇, 赵洪涛, 王振尧

Initial Corrosion Behavior of Carbon Steel and Weathering Steel in Nansha Marine Atmosphere

LIU Yuwei, ZHAO Hongtao, WANG Zhenyao

表1 Q235和Q450NQR1的化学成分 (mass fraction / %)

Table 1 Chemical compositions of Q235 and Q450NQR1

Steel C Si Mn P S Cr Ni Cu Fe Q235 0.22 0.08 0.10 0.015 0.003 - - - Bal. Q450NQR1 0.08 0.31 0.41 0.073 0.006 0.47 0.15 0.29 Bal.