石油管材用含Cu钢焊接接头的微生物腐蚀研究

燕冰川, 曾云鹏, 张宁, 史显波, 严伟

Microbiologically Influenced Corrosion of Cu-bearing Steel Welded Joints for Petroleum Pipes

YAN Bingchuan, ZENG Yunpeng, ZHANG Ning, SHI Xianbo, YAN Wei

表1 钢板母材和焊丝的化学成分 (mass fraction / %)

Table 1 Chemical compositions of base steel and filler wire

Material C Mn Cu Ni Ti Nb P S Si Mo Al Fe Base metal 0.028 0.52 1.35 1.10 0.011 0.017 0.003 0.002 0.13 - 0.01 Bal. Filler wire 0.033 0.56 1.83 1.94 - 0.018 - - - 0.10 - Bal.