Which of the following materials are generally not suitable for HF service?
A) 300 Series SS
B) Carbon steel
C) 400 Series SS
D) Both A and C

Question

Quizplus · Accepted Answer

Both A and C. 300 and 400 series stainless steels have varying levels of resistance to HF, but it is generally recommended to use a material with better corrosion resistance such as Hastelloy, Inconel, or Monel. Carbon steel is not suitable for HF service due to its high susceptibility to corrosion.

Which of the Following Materials Are Generally Not Suitable for HF