API 571 CUI

CUI is an inspection concern for insulated carbon steel equipment that operates between:

CONFLICT - CUI is an inspection concern for insulated austenitic stainless steel equipment that operates between:

CUI is an inspection concern for insulated vessels that operate at 500°F and are:

CUI is most severe when metal temperatures are between:

If the metal temperature increases, while still in the CUI temperature range, the corrosion rate will:

CUI on carbon steel or low alloy materials appears as:

CUI on 300 Series SS materials appears as:

What causes CUI cracking on 300 series SS  materials?

Which of the following is NOT a method to inspect for CUI?
A) De-insulate and visually inspect
B) MFL
C) Guided Wave UT
D) Real-time Profile RT
E) Neutron Backscatter