Asset Intelligence Report

A Primer on Radiographic Testing

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Radiographic testing (RT) is commonly used as a volumetric nondestructive examination (NDE) technique in the hydrocarbon and petrochemical industries to view or inspect equipment, such as pressure vessels, valves, and welded joints. This technique uses short wavelength radiation such as x-ray or gamma rays that pass through an object. As the rays pass through, radiation is differentially absorbed due to differences in thickness, density, or the presence of internal flaws in the component. These differences are then viewed as contrasting features on an image.

This Asset Intelligence Report serves as an informative primer to provide an understanding of RT. This primer contains the following sections:

  • Overview of Radiography
  • History and Development
  • Techniques and Methodology
  • Industry Applications
  • Codes, Standards, Best Practices
  • Certification
  • References

As with other Asset Intelligence Reports, this document is not intended to serve as a comprehensive guide, but rather an introductory primer on RT. Since the information is provided in a condensed format, we recommend printing and laminating copies that can be referenced by you and your co-workers at your convenience.

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A Primer on Radiographic Testing

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