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RadiogRaphic TesTing (RT)
This method is based on the same Discontinuities in the material affect the The radiographic testing course is for
principle as medical radiography in a amount of radiation being received by NDT personnel who execute the practical
hospital. A piece of radiographic film is the film through that particular plane of inspection using radioactive material
placed on the remote side of the material the material. Qualified inspectors can or radiation emitting devices. The
under inspection and radiation is then interpret the resultant images and record radiographic interpretation course is
transmitted through from one side of the the location and type of defect present in designed purely for the interpretation
material to the remote side where the the material. Radiography can be used of the resultant radiographic image.
radiographic film is placed. on most materials and product forms, However, to understand the principles
e.g. welds, castings, composites etc. of image formation, sensitivity and
The radiographic film detects the correct techniques the general theory
radiation and measures the various Radiographic testing provides a syllabus is the same for both
quantities of radiation received over permanent record in the form of courses.
the entire surface of the film. This film a radiograph and provides a highly
is then processed under dark room sensitive image of the internal The two sectors of the Radiographic
conditions and the various degrees of structure of the material. Testing examination that are NOT
radiation received by the film are imaged Radiography is split into required for the Radiographic
by the display of different degrees of two main categories Interpretation examination are
black and white, this is termed the film n Radiographic Testing n Basic Radiation Safety (BRS)
density and is viewed on a special light n Radiographic Interpretation n Practical Examination of the Specimens
emitting device.
www.sgs.com/ndT-TRaining
RadiogRaphic TesTing (RT)
pcn minimum woRk expeRience and LeveL 1
TRaining houRs’ RequiRemenTs foR geneRaL TheoRy specific TheoRy
RT examinaTions n Properties and Production of X-ray Application of the Method and use of
and Gamma ray Codes, Specifications and Procedures,
LeveL 1 n The Formation of a Latent Image applicable to the company, including
n 40 hours Training n Radiographic Film the relevant control checks.
n 3 months Work Experience n Development / Processing
n Practical Exercises pRacTicaL examinaTion
LeveL 2 n Radiographic Quality Follow written instructions and process
n 80 hours Training (additional to the n Image Quality the inspection test pieces, record and
40 hours for Level 1) n Radiographic Techniques report defects from known datum
n 9 months Work Experience n Density Monitoring markers, carry out pre-test calibration
(additional to the 3 months for Level 1) checks and post-test procedures.
If a candidate wishes to go direct to
Level 2 without first taking the Level 1 LeveL 2
route, the minimum requirements are geneRaL TheoRy specific TheoRy
the total accumulative requirements of (in addition to the Level 1 Syllabus above) Application of the Method to the
both Level 1 and 2. n The properties of X-ray and Gamma rays specific requirements of the company,
n Personnel Protection and Safety in particular making reference to those
We can provide Radiographic Testing n Procedures Codes, Specifications and Procedures
and Interpretation training courses and n Atomic Structures used by the company, including the
examinations suitable for any of the n Generation of X-rays relevant control checks. Product
following certification schemes n Natural and Artificial Gamma technology of the products for the
n PCN / EN 473 / ISO 9712 Level 1, Radiation Sources relevant sector, i.e. welds, castings,
2, and 3 n Gamma ray Equipment forgings, this includes, manufacturing
n SNT-TC-1A in accordance with n Radiographic Film processes, defect formation and
your company written practice n Intensifying Screens detection.
n Exposure Charts
We can also provide n Characteristic Curves pRacTicaL examinaTion
n Preparation training for ASNT Level 3 n Diagnostic Film Lengths Production of written instruction,
n Exposure Calculations determine the best inspection
An example of the syllabus that is n Techniques for Weld Radiography techniques for the individual parts,
used for Radiographic training courses is n Darkroom Procedures process the inspection test pieces,
shown below for Level 1 and 2. SGS can n Radiographic Quality record and report defects from known
tailor make the syllabus to satisfy the n Introduction to the Interpretation of datum markers, carry out pre-test
requirements of an individuals company Radiographs calibration checks and post-test
specific written practice if requested. n Specifications and Procedures procedures.
RadiogRaphic TesTing
Radiographic Testing is split into specific
product sectors for certification at Level 1 conTacT us
and 2, this is SGS NDT Training & Examination Centre
n Welds 2F, Building 8, No. 69, 1159, East
n Castings Kangqiao Road, Pudong District
Shanghai 201319, P. R. China
Each of these categories is further split T +86 21 6818 3905
into sub groups F +86 21 6818 3265
n Light Metal X-ray ndt.training@sgs.com
ed. n Dense Metal X-ray (and/or www.sgs.com/ndt-training
v Gamma ray)
n Light and Dense Metal, both X-ray
and Gamma ray
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