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ULTRASONIC TESTING                                               U.T.

Ultrasonic Inspection

We pride ourselves at  NP ENERGY  SERVICES, (APINDT) for having some of the most knowledgeable, best trained and most dedicated UT Level ll Technicians in the industry.
We are capable of turning out large volumes of raw material, bars, forgings, welded or machined parts at our "in-house" facility without jepardizing quality, due to the experience and unsurpassed dedication of our Ultrasonic Team. Our team has been hand picked from the best around and it shows with their drive to get the job done.

Our UT Field Services Team can perform any of your Ultrasonic Testing needs with the same dedicated service. No job is too big or too small. Give us a call for all of your Ultrasonic Testing needs at (432) 254-8617.  Our teams are ready to deploy 24 hours a day 7 days a week.


Ultrasonic inspection (UT) uses high frequency sound waves in a component and monitors how they travel in the material. A transducer converts electrical energy into mechanical energy to send signals into the test piece, working in reverse for returned signals. A contact transducer may be used with a coupling gel on the surface of the part, or immersion transducers if the sample is in a water bath. During an ultrasonic test, sound waves travel through the material and are reflected back from surfaces or flaws. Reflected sound energy is displayed versus time, and the inspector can visualize a cross division of the specimen revealing the depth of various features.

Ultrasonic inspection - schematic of test setup
Schematic of an ultrasonic inspection, showing the transducer over a plate, with the resulting signals displayed on a detector screen.

Advantages of Ultrasonic Inspection

  • Used for detection of a wide array of defects
  • Portable equipment for immediate results
  • Inspect complex shapes, large sizes and many materials
  • Only single sided access may be required
  • Inspection can be automated
  • Minimum part preparation
  • Superior penetrating power

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