ДСТУ EN ISO 17636-1:2014 Неруйнівний контроль зварних швів. Радіографічний контроль. Частина 1. Способи контролю рентгенівським і гамма-випромінюванням із застосуванням плівки (EN ISO 17636-1:2013, IDT)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols and abbreviated terms

5 Classification of radiographic techniques

6 General preparations and requirements

6.1 Protection against ionizing radiation

6.2 Surface preparation and stage of manufacture

6.3 Location of the weld in the radiograph

6.4 Identification of radiographs

6.5 Marking

6.6 Overlap of films

6.7 Types and positions of image quality indicators

6.8 Evaluation of image quality

6.9 Minimum image quality values

6.10 Personnel qualification

7 Recommended techniques for making radiographs

7.1 Test arrangements

7.2 Choice of tube voltage and radiation source

7.3 Film systems and metal screens

7.4 Alignment of beam

7.5 Reduction of scattered radiation

7.6 Source-to-object distance

7.7 Maximum area for a single exposure

7.8 Density of radiograph

7.9 Processing

7.10 Film viewing conditions

8 Test report

Annex A (normative) Recommended number of exposures which give an acceptable examination of a circumferential butt weld

Annex B (normative) Minimum image quality values

Bibliography

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