Radiographic Inspection Testing Services
Radiographic inspection is the process of assessing material with the use of x-ray or gamma-ray technologies It is one of the most extensive non-destructive testing techniques used to inspect items for indications of faults that can affect functionality.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
What Is Radiographic Inspection?
Radiographic inspection testing (RT) is a non-destructive testing method used to examine the internal structure of materials and components using X-rays or gamma rays. The radiation penetrates the material and creates an image based on variations in density and thickness, allowing detection of internal defects without damaging the test specimen.
This technique is widely used in industries where internal integrity is critical, such as welding, casting, and structural components. It enables the identification of defects such as cracks, voids, porosity, and inclusions, ensuring the reliability and safety of materials in service.
Applications and Benefits of Radiographic Inspection Testing
Scope
Radiographic inspection evaluates:
- Internal defects such as cracks, voids, and inclusions
- Weld quality and fusion integrity
- Thickness variations and structural discontinuities
- Material density differences
- Quality of castings and fabricated components
Applications
- Weld inspection in pipelines and pressure vessels
- Casting and forging evaluation
- Aerospace and automotive components
- Oil & gas and power generation equipment
- Structural and industrial assemblies
Benefits
- Non-destructive evaluation of internal structure
- Detects subsurface and hidden defects
- Provides permanent visual records (radiographs)
- High accuracy for critical components
- Suitable for a wide range of materials
Our Testing Procedure
Sample Preparation
Component is cleaned and positioned between radiation source and detector.
1Radiation Exposure
X-ray or gamma radiation is directed through the material.
2Image Capture
Film or digital detector records radiation absorption differences.
3Data Analysis
Radiographic images are interpreted to identify internal defects and discontinuities.
4Test parameters and requirements
| Parameter | Details |
|---|---|
| Standards | ASTM E94, ASTM E1742, ASTM E1032, ASME Section V |
| Radiation Sources | X-ray tubes, Ir-192, Co-60 isotopes |
| Detection Method | Radiographic film or digital detector |
| Applicable Materials | Metals, composites, ceramics, weldments |
| Image Quality | Controlled using IQI (Image Quality Indicators) |
| Measured Outputs | Internal defects, thickness variation |
- X-ray generator or gamma radiation source
- Radiographic film or digital detector
- Image Quality Indicators (IQI)
- Lead screens and shielding
- Positioning fixtures
- Image processing and analysis system
Equipment and Instrumentation Used for Testing
What You Receive: Test Report, Data, and Certification
- Radiographic images (film or digital)
- Identification of internal defects
- Weld quality assessment
- Defect size and location analysis
- Inspection report with interpretation
Radiographic Inspection FAQs
Radiographic inspection is a non-destructive testing method that uses X-rays or gamma rays to detect internal defects in materials without damaging the component.
Defects such as cracks, porosity, inclusions, voids, and lack of fusion in welds can be identified using radiographic testing.
Common standards include ASTM E94, ASTM E1742, ASTM E1032, and ASME Section V, which define procedures and quality requirements.
X-rays are generated electrically and provide high-resolution images, while gamma rays come from radioactive isotopes and are more suitable for thicker materials.
It ensures the internal integrity of materials and components, helping prevent failures and improving safety in critical applications such as pipelines, aerospace, and structural systems.
Why Choose Infinita Lab for Radiographic Inspection Testing?
At the core of this breadth is our network of 2,000+ accredited laboratories across the USA, offering access to over 10,000 testing methods and analytical services. From advanced materials characterization (SEM, TEM, RBS, XPS) to mechanical, chemical, environmental, biological, and standardized ASTM/ISO-compliant testing, we deliver unmatched flexibility, specialization, and scale. You are never limited by geography, facility, or methodology — Infinita Lab connects you to the right expertise and testing solution, every time.
Looking for an Accredited Partner for Radiographic Inspection Testing?
Send query us at hello@infinitalab.com or call us at (888) 878-3090 to learn more about our services and how we can support you.
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