CCSA和Q235B钢在长江淡水环境中腐蚀行为研究

张照易, 周学杰, 陈昊, 吴军, 陈志飈, 陈志坚

Corrosion Behavior of Two Steels CCSA and Q235B in Changjiang Freshwater Surroundings

ZHANG Zhaoyi, ZHOU Xuejie, CHEN Hao, WU Jun, CHEN Zhibiao, CHEN Zhijian

表1 CCSA和Q235B钢的化学成分 (mass fraction / %)

Table 1 Chemical compositions of CCSA and Q235B steels

Steel C Si Mn S P Cr Ni CCSA ≤0.21 ≤0.50 ≥2.50 ≤0.035 ≤0.035 - - Q235B 0.12-0.20 ≤0.30 0.30-0.70 ≤0.045 ≤0.045 ≤0.30 ≤0.30