300 Series SS, 400 Series SS and duplex SS are subject to pitting and localized corrosion under insulation. In addition, __________ are also subject to SCC if chlorides are present, while _________ are less susceptible.
A) Duplex SS, Low alloys
B) 300 Series SS, Duplex SS
C) Duplex SS, 300 Series Ss
D) None of the above

Question

Quizplus · Accepted Answer

300 Series Stainless Steels are more susceptible to Stress Corrosion Cracking (SCC) in the presence of chlorides, while Duplex Stainless Steels are less susceptible due to their microstructure and higher resistance to chloride-induced SCC.

300 Series SS, 400 Series SS and Duplex SS Are