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DIN 54111-1:1988-05
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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NON-DESTRUCTIVE TESTING; RADIOGRAPHIC EXAMINATION OF METALLIC MATERIALS BY X-RAYS OR GAMMA RAYS; RADIOGRAPHING OF FUSION WELDED JOINTS
Hardcopy , PDF
01-10-1997
English
01-01-1988
1 Scope and field of application
2 Concepts
2.1 Nominal wall thickness
2.2 Penetrated thickness of test object
2.3 Distance b
2.4 Distance f
2.5 Film-to-focus distance
3 Classification of radiographic techniques
3.1 General
3.2 Additional information regarding test Class B
4 Test arrangements
4.1 General
4.2 Single-wall penetration of flat welds
4.3 Single-wall penetration of curved welds
4.4 Double-wall penetration of both flat and
curved welds
4.5 Number of radiographs
5 Radiation source
5.1 General
5.2 X-ray equipment with a tube voltage up to 500
keV
5.2.1 Maximum permissible tube voltage
5.2.2 Contrast reduction
5.3 Yb 169, Ir 192, Co 60 and X-ray equipment with
a tube voltage of 1 MeV and above
5.3.1 Thickness latitude
5.3.2 Use of Ir 192 instead of X-ray
equipment with a tube voltage up to
500 keV
5.4 Influence of material structure
6 Films and intensifying screens
6.1 Film classes
6.2 Choice of films and screens
6.3 Film-screen contact
6.4 Film and screen sizes and cassettes
6.5 Density of radiograph
7 Source-to-object distance
7.1 General
7.2 Special rules
8 Preparation of workpiece surface
9 Shielding from scattered radiation
10 Radiographs
10.1 Identification of radiographs
10.2 Marking of test area
10.3 Overlap of films
10.4 Zones on either side of weld edges
11 Image quality indication
12 Film processing
13 Test report
14 Evaluation of radiographs
15 Areas not accessible for examination
16 Agreements
Appendix A
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