I.S. EN 12681:2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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FOUNDING - RADIOGRAPHIC EXAMINATION
Hardcopy , PDF
English
01-01-2003
17-12-2017
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.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
4.1 Protection against ionizing radiations
4.2 General requirements
4.3 Agreements
4.4 Personnel qualification
5 Examination arrangements
5.1 General
5.2 Single wall radiography of plane areas
5.3 Single wall radiography of curved areas
5.4 Double wall radiography of plane and curved
areas
5.5 Choice of examination arrangements for
complex geometries
5.6 Acceptable examination area dimensions
5.7 Explanation of symbols used in the figures
6 Choice of radiation source
7 Specific film system classes
8 Techniques for increasing the covered thickness
range
8.1 General
8.2 Multiple film technique
8.3 Contrast decreasing by higher radiation energy
8.4 Beam hardening
8.5 Thickness equalization
9 Radiographs
9.1 Identification of radiograph, examined area,
film position plan
9.2 Marking of the test areas
9.3 Overlap of films
10 Verification of image quality
11 Radiograph density requirements
12 Influence of crystalline structure
Annex A (informative) Possible discontinuities in
castings - Reference radiographs and designation
Bibliography
Describes specific procedures for industrial X-radiation and gamma radiography for discontinuity detection purposes, using film techniques. These procedures are applicable to casting process, especially for steel, cast iron, magnesium, zinc, copper, nickel, aluminum, titanium and any alloys of them.
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NBN EN 12681 : 2003 | Identical |
| DIN EN 12681:2003-06 | Identical |
| EN 12681:2003 | Identical |
| NS EN 12681 : 1ED 2003 | Identical |
| BS EN 12681:2003 | Identical |
| NF EN 12681 : 2003 | Identical |
| NEN EN 12681 : 2003 | Identical |
| UNE-EN 12681:2003 | Identical |
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