CO2-H2S-Cl-共存的地层水环境中Cr含量对钢的腐蚀产物膜特性的影响

王小红, 李子硕, 唐御峰, 谭浩, 蒋焰罡

Influence of Cr Content on Characteristics of Corrosion Product Film Formed on Several Steels in Artifitial Stratum Waters Containing CO2-H2S-Cl-

WANG Xiaohong, LI Zishuo, TANG Yufeng, TAN Hao, JIANG Yangang

表1 4种钢材的化学成分

Table 1 Chemical compositions of four test steels (mass fraction / %)

Steel C Si Mn P S Cr B Al Fe L80 0.21 0.16 1.31 0.0093 0.0027 0.15 0.0023 0.030 Bal. L80Cr13 0.20 0.24 0.49 0.016 0.0017 12.9 0.0023 0.033 Bal. 22Cr 0.018 0.42 1.32 0.022 0.0013 22.4 0.0021 0.010 Bal. 25Cr 0.0094 0.35 0.79 0.024 0.0019 25.1 0.0044 0.018 Bal.