低合金钢在模拟海洋低温环境下的电偶腐蚀研究

王育鑫, 吴波, 戴乐阳, 胡科峰, 吴建华, 杨阳, 闫福磊, 张贤慧

Galvanic Corrosion Behavior for Coupling of Three Low Alloy Steels in Artificial Seawater at Low Temperatures

WANG Yuxin, WU Bo, DAI Leyang, HU Kefeng, WU Jianhua, YANG Yang, YAN Fulei, ZHANG Xianhui

表1 3种低合金高强钢的化学成分

Table 1 Chemical compositions of three low-alloy steels (mass fraction / %)

Steel component C Si Mn S P Ni Cr Cu V Mo Fe 907A ≤0.120 0.80-1.10 0.50-0.80 ≤0.015 ≤0.020 00.50-0.80 0.60-0.90 0.40-0.60 0 0 Bal. 921A 0.07-0.14 0.17-0.37 0.30-0.60 ≤0.015 ≤0.020 2.60-3.00 0.90-1.20 0 0.04-0.10 0.20-0.27 Bal. 980 ≤0.11 0.17-0.37 0.40-0.70 ≤0.010 ≤0.015 4.40-4.80 0.40-0.70 0 0.03-0.09 0.30-0.55 Bal.