What Is Ultrasonic Testing?
Ultrasonic Testing (UT) uses high-frequency sound waves — typically in the range of 0.5 to 20
MHz — introduced into a component via a transducer coupled to the inspection surface. The
sound wave travels through the material and reflects from internal boundaries, discontinuities,
or the back-wall surface. The time of flight and amplitude of the returning signal are used to
detect, locate, and size internal flaws and measure material thickness.
The method requires skilled application: transducer selection, calibration, scan plan
development, and signal interpretation all directly affect the reliability of inspection results. Our
UT technicians are certified to PCN (ISO 9712) or ASNT Level 2 minimum, with Level 3
supervision available for complex or code-critical applications.