NF 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
FOUNDING - RADIOGRAPHIC EXAMINATION
01-11-2017
12-01-2013
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, aluminium, titanium and any alloys of them.
DevelopmentNote |
Indice de Classement: A04-190 Supersedes NFA 04 150 and NFA 04 160 (07/2003)
|
DocumentType |
Standard
|
PublisherName |
Association Francaise de Normalisation
|
Status |
Superseded
|
Supersedes |
Standards | Relationship |
DIN EN 12681:2003-06 | Identical |
UNI EN 12681 : 2006 | Identical |
UNE-EN 12681:2003 | Identical |
BS EN 12681:2003 | Identical |
EN 12681:2003 | Identical |
I.S. EN 12681:2003 | Identical |
NFE 44 157 : 2007 | HYDRAULIC PUMPS - TECHNICAL FABRICATION AND INSPECTION CONDITIONS FOR THE SUPPLIES OF COPPER ALLOY STEEL CASTINGS |
NFE 44 155 : 2007 | HYDRAULIC PUMPS - TECHNICAL FABRICATION AND INSPECTION CONDITIONS FOR THE SUPPLIES OF STEEL CASTINGS |
NFF 11 415 : 1990 | RAILWAY ROLLING STOCK - BRAKE DISCS WITH CAST IRON RING |
NFA 57 711 : 2006 | FOUNDRY PRODUCTS - ALUMINIUM, ALUMINIUM-, MAGNESIUM- AND ZINC - ALLOYS PRESSURE DIE CASTINGS - SUPPLYING |
NF EN 1999-1-3 : 2007 AMD 1 2012 | EUROCODE 9: DESIGN OF ALUMINIUM STRUCTURES - PART 1-3: STRUCTURES SUSCEPTIBLE TO FATIGUE |
NF EN 1999-1-1 : 2007 AMD 2 2014 | EUROCODE 9 - DESIGN OF ALUMINIUM STRUCTURES - PART 1-1: GENERAL STRUCTURAL RULES |
NFA 53 715 : 2002 | FOUNDRY PRODUCTS - COPPER-NICKEL-ZINC ALLOY AND NICKEL-COPPER CASTINGS - CHARACTERISTICS |
NFF 11 416 : 1994 | RAILWAY ROLLING STOCK - BRAKE DISCS WITH STEEL RING |
NFE 44 156 : 2007 | HYDRAULIC PUMPS - TECHNICAL FABRICATION AND INSPECTION CONDITIONS FOR THE SUPPLIES OF CAST IRON PIECES |
NF EN 14096-2 : 2003 | NON-DESTRUCTIVE TESTING - QUALIFICATION OF RADIOGRAPHIC FILM DIGITISATION SYSTEMS - PART 2: MINIMUM REQUIREMENTS |
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