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Radiographic Testing, or RT, is a highly effective NDT technique that is widely used in various industries such as oil and gas, refineries, power generation, manufacturing, aerospace, and others to inspect the internal structure of assets.

The RT process involves placing the material to be tested between an X-ray or gamma-ray source and a detector. The radiation penetrates the material and produces an image on the detector, revealing internal features such as cracks, voids, inclusions, and other defects that may compromise the material’s integrity. We use portable x-ray and gamma generators that use various radiation sources, including selenium, iridium, and cobalt, to produce high-quality radiographs.

Our RT inspections are sensitive to corrosion, changes in thickness, voids, cracks, and material density changes, and we can inspect piping, pipelines, castings, forgings, welds, pressure vessels, valves, and other large and small assets. Some benefits of RT inspections include:

  • Ability to inspect many types of materials with varying density
  • Ability to inspect assembled components
  • Minimal surface preparation required
  • Determination of crack growth
  • Detection of both surface and subsurface defects
  • Permanent record of inspection produced for future reference

At kaztron ndt Pvt Ltd, we are proud to have the requisite license from Atomic Energy Regulatory Board (AERB) to carry out industrial radiation activities. Our team of Senior BARC Certified Radiation Safety Officers and BARC Certified Radiographers are highly qualified and experienced in conducting RT inspections.

In addition to traditional RT inspections, we also offer advanced radiography methods such as Close Proximity Radiography (24×7 Radiography Concept) and Digital Radiography, which provide even more precise results and save time by avoiding the use of film developing using chemicals.

Radiographic testing is commonly used in a variety of industries. For example, in the oil and gas industry, RT is used to inspect welds in pipelines and storage tanks. In aerospace, RT is used to inspect critical components such as engine parts and landing gear. In manufacturing, RT is used to inspect welds and castings. These are just a few examples of how radiographic testing is utilized in different industries.

If you need assistance in selecting the ideal method of radiography or radiation source for your application, please reach out to us. Our team is dedicated to providing top-notch support and ensuring that your inspection requirements are fulfilled with the utmost quality and accuracy.

Our professionals know how to handle a wide range of services. Our technicians strive to ensure that you the best.


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  • Can inspect assembled components
  • Minimum surface preparation required
  • Detects both surface and subsurface defects
  • Provides a permanent record of the inspection
  • Verify internal flaws on complex structures
  • Isolate and inspect internal components
  • Detect and measure internal flaws
  • Sensitive to changes in thickness, corrosion, flaws and material density changes


  • What is Non Destructive Testing?

    Non Destructive Testing is defined as a method used to investigate the integrity of an object, material or system, without impairing its future usefulness.

  • Why is NDT used ?

    It is used to determine the following: a) In place quality of Concrete b) Health of Concrete] c) Influence of Time d) Non-availability of old drawings related to the structure.

  • What is the Accuracy?

    The accuracy of the diameter measured increase with decrease in cover. It also depends upon the diameter of the bar. For example if the cover is 30 mm and bar diameter is 25 mm the accuracy is + 1 mm. This accuracy can improve if either of these parameters i.e. diameter or cover is reduced

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