D R MAY INSPECTIONS
Shrinkage detection using Radiography

SPECIALISED TESTING SERVICES


Ultrasonic Phased Array (PA) testing

Ultrasonic Phased Array utilizes multiple ultrasonic elements to create sound paths.

 

Advantages:

  • Accurate defect sizing & greater detection
  • Rapid scanning
  • Optimised beam angles perpendicular to defects
  • Scans can be electronically saved for permanent records

Applications:

  • Flange face testing
  • Weld testing
  • Stress corrosion crack testing
  • Shaft testing
  • In-service Pressure vessel and pipe testing
  • Testing of complex geometrical parts
  • Corrosion mapping and trending
Ultrasonic Phased Array (PA) testing

 

Surface crack detection using Magnetic Particle

Ultrasonic Time Of Flight Diffraction (TOFD) testing

TOFD utilizes a transmitting & receiving probe located equidistant over the weld centre.

Advantages:

  • Accuracy and repeatability
  • Rapid scanning
  • Scans can be electronically saved for permanent records
  • Real time results
  • Manual & automated testing
  • Defect detection of is not dependent on orientation or type of flaw.

Applications:

  • Weld testing
  • Hydrogen induced cracking
  • In-service Pressure vessel and pipe weld testing
  • Testing of welds after Post Weld Heat-Treatment (PWHT)
  • Pressure Equipment- Service Life Assessment (Monitoring of welds)
Ultrasonic Time Of Flight Diffraction (TOFD) testing


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