API 510 Data Sheets - Dimensions CLOSED BOOK QUESTIONS

  1. Maximum length of a crack, IP, or IF allowed on a new weld?
    None

    Reference VIII: UW-51.b.1 & 52.c.1
  2. Smoothness of relief device seating surface?
    3 light beads/bands
  3. What is the maximum allowed mill tolerance of a plate?
    Lesser of the two: 0.010" or 6% of T.
  4. What is the maximum allowed size of an open discontinuity in a bend test?
    1/8"

    Reference IX: QW-163
  5. What is the typical thickness range for RT using an Iridium 192 source?
    0.25"-3.0"

    Reference 577: 9.8.4
  6. What is the minimum distance beyond the area to be examined to a clean a part when performing a MT examination?
    1"
  7. What is the minimum distance beyond the area to be examined to clean a part when performing a PT examination?
    1"
  8. What is the minimum radius of an insert patch?
    1"

    Reference API 510:8.1.6.2.2.c
  9. What is the typical thickness range for RT using a Cobalt 60 source?
    1.5"-7.0"

    API 577: 9.8.4
  10. What is the wall thickness of a carbon steel shell that requires PWHT?
    >1.5"
  11. What is the nominal thickness of a shell and/or head butt weld that requires Full RT?
    >1.5"

    Reference VIII: UW-11.a.2
  12. What is the maximum diameter of an examination point?
    • 2" per API 572.
    • 3" per API 510.
  13. What is the maximum length of pits allowed in a straight 8" line that are deeper than the corrosion allowance?
    2"

    Reference API 510: 7.4.3.c
  14. What vessel inside diameters are excluded from the scope of Section VIII?
    Vessels with an I.D. less than 6"
  15. What is the minimum weld length when qualifying a welder with RT/UT using a coupon or 1st production weld?
    6"

    Reference IX: QW-302.2/304.1
  16. What is the minimum weld length when qualifying a welding operator with RT/UT of a test coupon?
    6"

    Reference IX: QW-302.2
  17. What is the minimum length of Spot RT?
    6"

    Reference VIII:: UW-52.c
  18. NDE - What is the distance of eye-to-part to count as a Visual Exam?
    6"-24"

    Reference API 577: 9.3.1.e
  19. What is the maximum distance on a weld between the welder's stamp?
    3'

    Reference VIII: UW-37.f.1
  20. Weld Quality - What is the minimum weld length when qualifying a welding operator with RT/UT of the first production weld?
    3'
  21. What is the minimum overlap for vessel PWHT when using multiple heats?
    5'

    Reference VIII: UW-40.a.2
  22. What is the maximum length of weld that can be represented by 1 spot RT?
    50'

    Reference VIII:UW-52.b.1.
  23. What is the minimum allowed all thickness at a pit?
    1/2 Tmin

    Reference API 510: 7.4.3.a
Author
Gibby
ID
333608
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API 510 Data Sheets - Dimensions CLOSED BOOK QUESTIONS
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API 510 Data Sheets - Dimensions - MSTS
Updated