Development mechanism of internal local corrosion of X80 pipeline steel

Zhuowei Tan, Liuyang Yang, Dalei Zhang, Zhenbo Wang, Frank Cheng, Mingyang Zhang, Youhai Jin

Table 1 Chemical composition of X80 pipeline steel (wt.%).

X80 pipeline steel (balance Fe) Mn Si C Cr S P Ni Ti Nb Mo V 1.83 0.28 0.063 0.03 0.0006 0.011 0.03 0.016 0.061 0.22 0.059