ISO INTERNATIONAL STANDARD 17643 Secondedition 2015-09-01 Non-destructive testing of welds - Eddy current testing of welds by complex-plane analysis Controle non destructif des assemblages soudés - Controle par courants de Foucault des assemblages soudés avec analyse des signaux dans le plan complexe Reference number ISO17643:2015(E) ISO @ IS0 2015 IS0 17643:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. IsOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii @ IS0 2015 - All rights reserved IS0 17643:2015(E) Contents Page Foreword ..iv 1 Scope 1 2 Normative references ..1 3 Terms and definitions 1 4 Personnel qualification 1 5 Written procedures 2 6 General applications. 2 6.1 Essential variables 2 6.2 Additional information 2 6.3 Surface conditions. .2 6.4 Equipment. .3 6.4.1 Instrumentation (excluding probe) 3 6.4.2 Surface probes 3 6.4.3 Accessories 3 6.4.4 Systematic equipment maintenance .5 6.5 Test procedure. .5 6.5.1 Evaluation mode ..5 6.5.2 Procedure for measuring coating thickness and material comparison relative to calibration block. .5 6.5.3 Procedure for testing welds in ferritic materials 6.6 Detectability of discontinuities .11 6.7 Procedure for testing welds in other materials ..12 7 Test report ..12 Annex A (informative) Recommended eddy current method flow diagram .14 IS0 2015 - All rights reserved iii