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100% Radiographic Testing

The requirement to perform radiographic testing on the entire specified length or volume of a weld or component.

Definition

100% Radiographic Testing is an inspection requirement specifying that radiographic testing (RT) is performed on the full extent of the designated welds, joints or components rather than on a representative sample. It is typically specified for critical equipment where complete volumetric examination is required to verify weld quality and compliance with applicable engineering codes and project specifications.

Why It Matters

100% Radiographic Testing requires complete radiographic examination of specified welds or components to verify their internal integrity.

In Practice

The requirement for 100% Radiographic Testing is determined by applicable design codes, project specifications or risk-based engineering decisions and should not be interpreted as guaranteeing the absence of defects.

Common Misuse

100% Radiographic Testing defines the required inspection coverage, whereas Radiographic Testing describes the inspection method itself.

Term Details
Synonyms:
100% RT; Full Radiography; Full RT; Complete Radiographic Examination
Classification:
Inspection & NDT
Concept
Intermediate
Applications

Non-Destructive Testing; Quality Assurance; Inspection.

Where It's Used

Pressure vessels.; Piping.; Petrochemical.; Oil and gas.; Fabrication.

References

API 570; ASME BPVC Section V Article 2

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