Soils having high moisture content, high dissolved salt concentrations and high ________ are the most corrosive.

Dissimilar metal welds with a 300 Series stainless steel weld metal on a ferritic steel may also result in narrow region of _________ at the toe of the weld, near the fusion line on the ferritic side.

With steam blanketing, failure occurs as a result of _________ in the tube from the internal steam pressure at the elevated temperature.

SSC is a form of hydrogen stress cracking resulting from the absorption of ________ that is produced by the sulfide corrosion process on the metal surface.

Higher __________ containing alloys are used for improved resistance to naphthenic acid corrosion.