This Standard specifies the basic rules for industrial X- and gamma radiography for flaw detection purposes, using film techniques, applicable to metallic products and materials.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
Foreword II Introduction III 1 Scope 1 2 Normative References 1 3 Definitions 2 4 Classification of Radiographic Techniques 2 5 General 3 5.1 Protection against ionizing radiation 3 5.2 Test arrangement 3 5.3 Surface preparation and stage of manufacture 3 5.4 Identification of radiographs 3 5.5 Marking 3 5.6 Overlap of films 3 5.7 Image quality indicator (IQI) 3 6 Recommended Techniques for Making Radiographs 7 6.1 Choice of X-ray tube voltage and radiation source 7 6.2 Film systems and screens 8 6.3 Alignment of beam 11 6.4 Reduction of scattered radiation 11 6.5 Source-to-object distance 12 6.6 Maximum area for a single exposure 13 6.7 Density of radiographs 13 6.8 Processing 14 6.9 Film viewing conditions 14 7 Test Report 14 Bibliography 16
1 Scope
This Standard specifies the basic rules for industrial X- and gamma radiography for flaw detection purposes, using film techniques, applicable to metallic products and materials.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
Contents of GB/T 19943-2005
Foreword II
Introduction III
1 Scope 1
2 Normative References 1
3 Definitions 2
4 Classification of Radiographic Techniques 2
5 General 3
5.1 Protection against ionizing radiation 3
5.2 Test arrangement 3
5.3 Surface preparation and stage of manufacture 3
5.4 Identification of radiographs 3
5.5 Marking 3
5.6 Overlap of films 3
5.7 Image quality indicator (IQI) 3
6 Recommended Techniques for Making Radiographs 7
6.1 Choice of X-ray tube voltage and radiation source 7
6.2 Film systems and screens 8
6.3 Alignment of beam 11
6.4 Reduction of scattered radiation 11
6.5 Source-to-object distance 12
6.6 Maximum area for a single exposure 13
6.7 Density of radiographs 13
6.8 Processing 14
6.9 Film viewing conditions 14
7 Test Report 14
Bibliography 16
