TCR Arabia - NDT and Material Testing Services in Saudi Arabia
NDT and Material Testing per ASTM API and NACE in Saudi Arabia

Radiography Testing – Level II Training Class in Saudi Arabia

1. Review of Basic Radiographic Principles
•Interaction of radiation with matter.
•Math review
•Exposure calculations
•Geometric exposure principles
•Radiographic-image quality parameters

2. Darkroom Facilities, Techniques, and processing
•Facilities and equipments
1) Automatic film processor vs manual processing
2) Safe lights
3) Viewer lights
4) Loading lights
5) Miscellaneous equipments

•Film loading
1) General rule for handling unprocessed film.
2) Types of film packaging
3) Cassette-loading techniques for sheet and roll

•Protection of radiographic film in storage.

•Processing of film – manual
1) Developer and replenishment
2) Stop Bath
3) Fixer and replenishment
4) Washing
5) Prevention of water spots
6) Drying

•Automatic film processing

•Film filing and storage
1) Retentio0n-life measurements
2) Long term storage
3) Filing and separation techniques

•Unsatisfactory Radiographs :-causes and cures
1) High film density
2) Insufficient film density
3) High contrast
4) Low contrast
5) Poor identification
6) Fog
7) Light leaks
8) Artifacts

• Film density
1) Step-wedge comparison film
2) Densitometers

3. Indications, discontinuities, and defects
1) Inherent
2) Processing
3) Service

4. Manufacturing Processes and Associated Discontinuities
• Casting processes and associated discontinuities
1) Ingots, blooms, and billets
2) Sand casting
3) Centrifugal casting
4) Investment casting

• Wrought processes and associated discontinuities
1) Forgings
2) Rolled products
3) Extruded products

• Welding processes and associated discontinuities
1) Submerge arc welding (SAW)
2) Shielded metal arc welding (SMAW)
3) Gas metal arc welding (GMAW)
4) Flux corded arc welding(FCAW)
5) Gas tungsten arc welding(GTAW)
6) Resistance welding
7) Special welding processes-electron beam, electro slag, electro gas, etc.

5. Radiological safety principles Review
•Controlling personal exposure
•Time, distance, shielding concepts
•ALARA (as low as reasonably achievable) concepts
•Radiation-detection equipments.
•Exposure device operating characteristics

6. Radiographic Viewing
•Film illuminator requirements
•Background Lighting
•Multiple-Composite viewing
•Penetrameter placement
•Film identification
•Location markers
•Film density measurements
•Film artifacts

7. Application Techniques
•Multiple film techniques
1) Thickness-variation parameters
2) Film speed
3) Film latitude
•Enlargement and projection
•Geometrical relationships
1) Geometrical unsharpness
2) Penetrameter sensitivity
3) Source -to -film distance
4) Focal-spot size
•Triangular methods for discontinuity location
•Localized magnification
•Film handling techniques

8. Evaluation of castings
•Casting-methods review
•Casting discontinuities
•Origin and typical orientation of discontinuities
•Radiographic appearance
•Welding codes/standards- applicable acceptance criteria
•Reference radiographs or pictograms

9. Evaluation of weldments
•Welding-method review
•Welding discontinuities
•Origin and typical orientation of discontinuities
•Radiographic appearance
•Welding codes/standards-applicable acceptance criteria
•Reference radiographs or pictograms

10. Standards, codes and Procedures for Radiography
•ASTM E94/E142
•Acceptable radiographic techniques and setups
•Applicable employer procedures
•Procedure for radiograph parameter verification
•Radiographic reports.

The duration of this course is for 5 days and it is conducted by NDT experts from TCR Arabia. Students will be given an RT Level II certificate at the end of this course.

All courses, unless specified in advanced with the client will be conducted at TCR Arabia’s training room at its office in Dammam located at:

TCR Arabia Company Limited
P.O. Box-3422
# 3 & 4, next to Al Kifah Construction
besides Al-Kadi Tent Factory
near King Abdulaziz Sea Port
Dammam, Kingdom of Saudi Arabia
(T) +966-3-8475784/8475785
(F) +966-3-8475768
(M) +966-504997683
Attention: Syed Ameen Hassan (M) 00966-504997683

Dates for scheduling of each class will be announced when a minimum of at least 6 students sign up for a given batch.