Nb-Mo Pipeline Steel

HIC Resistant

Pipeline steel with synergistic Nb-Mo addition, reducing hydrogen diffusivity and inhibiting hydrogen-induced cracking through (Nb,Mo)C nanoprecipitates and optimized grain boundaries.

Zhang, Shiqi · Lumin, Qi · Liu, Shilong · Peng, Zhixian · Cheng, Y. Frank · Huang, Feng · Liu, Jing

Journal of Materials Science and Technology 2023

Advantages

Significantly reduced hydrogen diffusivity

Inhibited crack initiation

Hindered crack propagation