Non Destructive Testing Services

Premier Tubular Services International provides high-grade non-destructive testing services to Energy sector clients across the globe.

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Services Offered are

  • Magnetic Particle Inspection
  • Dye Penetrant Testing
  • Ultrasonic Testing
  • Eddy current testing
  • Visual testing
  • Hardness Testing
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Magnetic particle inspection

Used to detect cracks and discontinuities within ferromagnetic materials (e.g. iron, nickel and cobalt) using a magnetic field and magnetic particles. This inspection technique is also suitably applied to sub-aquatic surfaces such as oil rig structures.

Dye Penetrant Testing

A common technique, it is used to detect surface-breaking defects in non-porous surfaces (e.g. plastic, glass, rubber, metals). The technique employs ‘capillary action’ to draw pigmented liquid to surface defects, allowing for detection.

Ultrasonic Testing

PTIS uses ultrasonic testing (UT) to detect surface breakages, dimensional measurement, and material characterization. Ultrasonic waves are propagated through solid material in a controlled manner using multiple functional units such as pulsar / receiver, transducer, and display devices. This is a popular NDT technique due to its flexibility of use.

Eddy current testing

This particular method is employed using electromagnetic induction to detect sub-surface flaws in conductive materials. The technique is principally applied to surface and tubing inspections, and secondarily applied to making electrical conductivity and coating thickness measurements.

Visual testing

A primary, and time-tested method of NDT, visual testing is applied with or without optical aids. Aids include magnifiers, microscopes, telescopes, and specialized devices such as boroscopes and fiber-optic devices. Experts at PTIS are trained to detect surface flaws and diagnose incongruence using detailed visual inspection.

Hardness testing

Multiple methods are employed to test substance hardness. Relative values from a variety of tests are compared to conclude ‘hardness’. These values are achieved using rebound techniques, ultrasonic contact impedance (UCI), frequency testing of resonating rod with Vickers diamond tip. Hardness testers employed include bench-top Brinell and Rockwell testers. Hardness standards are set as per customer-definitions.