ISO INTERNATIONAL STANDARD 5579 Third edition 2013-12-01 Non-destructive testing Radiographic testing of metallic materials using film and X- or gamma rays - Basic rules Essais non destructifs-Controle radiographique des materiaux métalliques au moyen de film et de rayons X et gamma - Regles de base Reference number IS0 5579:2013(E) LSO IS02013 HS under Not for Resale IS0 5579:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permitted without license from IHS Not for Resale IS0 5579:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 4 Classification of radiographic techniques .2 5 General. 3 5.1 Personnel qualification. 3 5.2 Protection against ionizing radiation. .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 Recommended techniques for making radiographs 3 6.1 Test arrangements .3 6.2 Choice of X-ray tube voltage and radiation source 4 6.3 Film systems and screens .5 6.4 Alignment of beam.. .7 6.5 Reduction of scattered radiation .7 6.6 Source-to-object distance. .7 6.7 Maximum area for a single exposure. .9 6.8 Density of radiograph 10 6.9 Processing .10 6.10 Film viewing conditions. 10 7 Test report. .10 iii ded by IHS under lic ense with ISt withoutlicense from IHS Not for Resale