• Radiographic inspections can be performed using either X-Ray or Gamma ray radiation. The choice of radiation sources and their strength depends on a variety of factors, including the size of the component and the material thickness.
  • SGEIPL’s conducts RT inspection services in the field for refineries, pipelines, nuclear and fossil plants, and many other industrial clients. We also have advanced radiography capabilities in our in-house labs to inspect newly-manufactured components for the aerospace, automotive, and other manufacturing industries.
  • RT inspections are sensitive to corrosion, changes in thickness, voids, cracks, and material density changes. SGEIPL’s inspects for these damages for a wide range of large and small assets, including Piping, Pipelines, Castings, Forgings, Welds, Pressure Vessels, Valves etc.
  • Compared to other NDE techniques, radiography has several advantages. It is highly reproducible, can be used on a variety of materials, and the data gathered can be stored for later analysis. Radiography is an effective tool that requires very little surface preparation. Moreover, many radiographic systems are portable, which allows for use in the field and at elevated positions.

Gamma Radiography

Gamma radiography is carried out using radioactive isotope sources (e.g. Selenium-75, lridium-192) although its sensitivity is generally less than that achievable by X-ray radiography. lt is widely used for fieldwork because of its greater portability.

X-RAY Radiography

X-ray equipment is usually described by the electrical voltage across the X-ray tube: thus, 300 kV X-rays. The higher the voltage, the greater the penetrating power of the radiation; industrial X-ray equipment ranges from about 20 kV to 20 MV and the most powerful equipment’s can be used to radiograph up to 500 mm (20″) steel.


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