Research Article

Effect of Microstructure on Hydrogen Diffusion in Weld and API X52 Pipeline Steel Base Metals under Cathodic Protection

Table 6

Values of permeation in different microstructures of API X52 carbon steel.

SampleHighest current density (A/cm2)

ABM5.9101
BM4.1086
QBM3.6555
WM2.7130