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Conventional Non- Destructive Testing

Ultrasonic Testing

Ultrasonic Testing is an NDT method applied to detect internal flaws in materials, components and structures. Ultrasonic is sound beyond the human audible range that is 20Hz to 20kHz. Ultrasonic inspections use frequencies of above 0.5MHz up to 25MHz to test metals, ceramics, glass, composite and other engineering materials.

CORE’s UT team provides quick, accurate ultrasonic testing results enabling you to make the right decision fast.


The ultrasonic waves travel through the material with some loss of energy (attenuation) due to material characteristics. The intensity of ultrasonic waves is measured, after reflection at interfaces (or flaw) or is measured at the opposite surface of the specimen (through transmission). The reflected beam is detected and analysed to define the presence and location of flaws. The degree of reflection depends largely on the physical state of matter on the opposite side of the interface, and to a lesser extent on specific physical properties of that matter. For instance, ultrasonic waves are almost completely reflected at metal-gas interfaces, partial reflection occurs at metal-liquid or metal-solid interfaces. Ultrasonic testing has a superior penetrating power than radiography testing and can detect flaws deep (up to 5metre of steel) in the test objects. UT is quite sensitive to small flaws and allows the precise determination of the location and size of the discontinuities. All ultrasonic inspection services are executed in compliance with industry codes and standards such as ASME, API and AWS.

Ultrasonic testing is commonly used for inspecting castings, rolled bars, plates, forgings, thin sheets, extruded components, drawn components, welds and to measure reduction in thickness of pipes, vessels and other components.

We Offer

CORE Training & Engineering Services is equipped with latest equipment’s, conventional UT and Advance UT equipments for a inspections. The ultrasonic engineers are experienced in inspection of castings in foundries, weldments in heavy fabrication, cross country pipelines, petroleum refinery piping, railways, nuclear and aerospace components. Consultancy services can also be provided by our in house ASNT NDT Level IIIs in the method.

Benefits include:
  • Great option to inspect surface and subsurface levels
  • Inspection provides both thickness measurement and flaw detection
  • Superior depth of penetration
  • Instant results
  • More safe and environmentally-safe than radiography
  • Regulatory requirement
  • Only single side access required to perform test

Talk To Our Expert Team

Our advanced services team would be happy to discuss your needs and determine the right technology for your application.
To speak to our team, please Call: +91-9811847077 or Email: info@coreengg.in