Question

Which of the following statements is/are correct regarding caustic embrittlement?

(a) Mild carbon steels are susceptible to caustic embrittlement

(b) It occurs in concentrated hydroxide environment

(c) It occurs around the rivets

(d) Mild carbon steels are susceptible to caustic embrittlement in concentrated hydroxide environment around the rivets

The question was asked in quiz.

The doubt is from Environments topic in chapter Other Environments of Corrosion Engineering

Answer 1

Right option is (d) Mild carbon steels are susceptible to caustic embrittlement in concentrated hydroxide environment around the rivets

The explanation is: i. Mild carbon steels are susceptible to caustic embrittlement

ii. It occurs in concentrated hydroxide environment

iii. It occurs around the rivets due to cold working.