Methanogenic archaea and sulfate reducing bacteria induce severe corrosion of steel pipelines after hydrostatic testing

Enze Zhou, Jianjun Wang, Masoumeh Moradi, Huabing Li, Dake Xu, Yuntian Lou, Jinheng Luo, Lifeng Li, Yulei Wang, Zhenguo Yang, Fuhui Wang, Jessica A. Smith

Table 4 Corrosion parameters obtained from dynamic potential polarization curves of X52 steel coupons exposed to GW or LW for 14 and 30 days, respectively.

icorr (A/cm2) Ecorr (V) vs. SCE 14 days GW 2.58 × 10-6 -0.719 LW 1.74 × 10-5 -0.738 30 days GW 6.56 × 10-6 -0.903 LW 1.48 × 10-5 -0.848