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2022 07 July - NDE-31

  1. NDE-31
    UT of Wrought Metals
  2. NDE-32
    UT of pipe welds
  3. Substance between unit and surface to improve ultrasonic energy.
    Couplant
  4. Type of examination and presentation
    • Exam: Pulse-echo
    • Presentation:  A-Scan
  5. How often to check equipment
    12 months
  6. FBH
    Flat Bottom Hole
  7. What needs to be manufactured?
    Reference block as similar to material testing as possible.
  8. What needs to be on the calibration standard?
    1" notches on ID and OD
  9. How often to check calibration?
    4 hours
  10. Surface finish requirement
    <250 Ra (Roughness Average)
  11. Preferred technique (2)
    • 1. Straight beam
    • 2. Calibrated using FBH ref block
  12. When to perform
    After heat treatment, before machining.
  13. What is too small to UT?
    <1/2"
  14. How much overlap of each pass?
    15%
  15. How to repair (2)
    • <1" long
    • <10% wall thickness
  16. Weld repair procedure
    CWS-4
  17. What to do after a repair
    Mag Particle of Liquid Penetrant test area
  18. 2 Techniques:
    • 1. FBH (straight beam)
    • 2. Angle beam
  19. Image Upload 2
    Flat bottom hole UT reference block
Author
Jared023
ID
358857
Card Set
2022 07 July - NDE-31
Description
work
Updated

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