Api 571 for Api 510/570 (Sulfidation)

  1. Which of the following is not a major factor associated with corrosion by Sulfidation?



    C) Operating pressure
  2. Sulfidation of iron-based alloys usually begins at about:
    500°F
  3. Resistance to Sulfidation increases as the:
    Chromium content in the material increases
  4. Sulfidation is primarily caused by:
    Sulfur compounds decomposing at higher temps
  5. Which of the following process units is not affected by Suldidation?



    C) Alkylation
  6. Sulfidation usually creates:
    Uniform corrosion
  7. A Crude Distillation Unit is using process crude that has a 0.6% Sulfur content. The process temp is 600°F. What is the expected corrosion rate for a carbon steel piping system?
    20 MPY
  8. A Crude Distillation Unit is using process crude that has a 0.6% Sulfur content. The process temp is 700°F. What is the expected corrosion rate for an 18/8 stainless steel system?
    0.4 MPY
Author
egf4201
ID
303660
Card Set
Api 571 for Api 510/570 (Sulfidation)
Description
Api 571 for Api 510/570 (Sulfidation)
Updated