I.S. EN 12681-1:2017
Current
The latest, up-to-date edition.
FOUNDING - RADIOGRAPHIC TESTING - PART 1: FILM TECHNIQUES
Hardcopy , PDF
English
01-01-2017
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
National Foreword
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Classification of radiographic techniques
6 General preparations and requirements
7 Test arrangements
8 Choice of tube voltage and radiation source
9 Film systems and metal screens
10 Reduction of scattered radiation
11 Source-to-object distance
12 Optical density D of radiograph
13 Film processing and viewing
14 Techniques for increasing the covered
thickness range
15 Requirements on radiographs
16 Verification of image quality
17 Influence of crystalline structure
18 Acceptance criteria
19 Test report
Annex A (normative) - Minimum image quality
values
Annex B (normative) - Severity levels for steel
castings
Annex C (normative) - Severity levels for cast iron
castings
Annex D (normative) - Severity levels for aluminium
alloy and magnesium alloy castings
Annex E (normative) - Severity levels for copper alloy
castings
Annex F (normative) - Severity levels for titanium and
titanium alloy
Annex G (informative) - Significant technical changes
between this European Standard and the
previous edition
Bibliography
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