API 510 Problem Children

  1. When evaluating locally thinned areas, what is the distance from the weld for E to equal 1.0?
    Greater : 1" or 2t
  2. Typical thickness range for Co 60?
    1.5 - 7 inches
  3. Weld Qualification - Minimum weld length when qualifying a welder with RT/UT using a coupon or 1st production weld?
    6"
  4. Weld Qualification - Minimum weld length when qualifying a welding operator with RT/UT of a test coupon?
    6"
  5. Weld Qualification - Minimum weld length when qualifying a welding operator with RT/UT of first production weld?
    3'
  6. Temperatures where chloride stress corrosion cracking becomes a concern?
    140°F
  7. Temperature when high strength caustic causes serious corrosion in CS and 300 SS?
    >150°F
  8. Minimum pre-heat temperature when a local PWHT is used in lieu of a full encirclement PWHT?
    300°F
  9. Minimum pre-heat temperature when a pre-heat is substituted for PWHT?
    300°F
  10. Documents - Weld procedure?
    WPS
  11. Documents - Qualification record of a weld procedure?
    PQR
  12. Documents - Welders qualification record (welder's paper)
    WPQ
  13. Document that must be prepared and maintained for each vessel and relief device?
    Inspection plan
  14. Manual that must be prepared and maintained by each owner/used that uses API 510?
    QA and repair manual
  15. What material is subject to chloride stress-corrosion cracking?
    300 series SS
  16. What material is subject to polytheonic acid stress-corrosion cracking?
    300 series SS
  17. What is a common material without an endurance limit?
    Austenitic SS
  18. What P-numbers are allowed to use pre-heat in lieu of PWHT?
    P1 and P3
  19. What P-Numbers are allowed to use CDW in lieu of PWHT?
    P1, P3, and P4
  20. What is the ratio of endurance limit stress to ultimate tensile stress for carbon steel?
    0.4 to 0.5
  21. Weld qualification - Number of tension tests to qualify a WPS?
    2
  22. Weld Qualification - Number of bend tests to qualify a welder or welding operator in welding positions 1G-4G
    2
  23. Weld Qualification - Number of bend tests to qualify a WPS?
    4
  24. Weld Qualification - Number of bend tests to qualify a welder or welding operator in welding positions 5G and 6G?
    4
  25. NDE - Limits of RT film density of weld as compared to IQI?
    -15% to +30%
  26. Amount of nickel required for a material to be considered a nickel alloy?
    >30%
  27. Maximum operational pressure o f a conventional rupture disk
    70%
  28. Welding - Variables needed on WPS?
    Essential and nonessential
  29. Welding - Variables needed on PQR?
    Essential
Author
Gibby
ID
334160
Card Set
API 510 Problem Children
Description
API 510 Problem Children
Updated