Research Article

Corrosion Inhibiting Mechanism of Nitrite Ion on the Passivation of Carbon Steel and Ductile Cast Iron for Nuclear Power Plants

Table 1

Chemical compositions of experimental alloys.

AlloysChemical compositions, wt%
CMnPSSiCrCuMoNiVFe

CS 0.260.860.0140.0050.230.040.0570.0330.0290.008bal.
DCI4.010.170.0220.0261.53ā€”0.0230.0280.0590.016bal.

CS: carbon steel, ASME SA106 Gr.B; DCI: ductile cast iron, KS D4311.