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NF EN 12681 : 2003

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

Superseded date

11-01-2017

Published date

01-12-2013

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Superseded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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