ISO INTERNATIONAL STANDARD 16810 First edition 2012-04-01 Non-destructive testing Ultrasonic testing General principles Essais non destructifs — Controle par ultrasons Principes généraux Reference number ISO 16810:2012(E) @ ISO 2012 by IHS under lic itted without license from IHS Not for Resale ISO 16810:2012(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's memberbody in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 4122749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 - All rights reserved y IHS unde nited without license from IHS Not for Resale ISO 16810:2012(E) Contents Page Foreword. iv Introduction.. 1 Scope... 2 Normative references. 3 Qualification and certification of personnel... 4 Information required prior to examination... 5 Principles of ultrasonic examination.... 5.1 General. ........ 5.2 5.3 Transmission technique... 5.4 Pulse echo technique.... 6 Equipment ... 6.1 Ultrasonic instrument ... 6.2 Ultrasonic probes .... 6.2.1 Probe selection. 6.2.2 Frequency and dimensions of transducer.. 6.2.3 Dead zone.... 6.2.4 Damping ... 6.2.5 Focusing probes... 6.3 Coupling media.... 6.4 6.5 Reference blocks... 6.6 Specific blocks .... 6 7 Settings. 7.1 General settings .6 7.2 Range settings.... 7.3 Amplification.. 7.4 Pulse repetition frequency 8 Preparation for examination.. 8.1 Surface preparation.... 8.2 Identification and datum points. 8.3 Application of transfer correction . 9 Examination ... 9.1 Examination coverage............. 9.2 Overlap and scanning speed .... 9.2.1 Overlap ...... 9.2.2 Scanning speed .... 9.3 Evaiuation and recording ieveis 9.3.1 Pulse echo technique.... 9.3.2 Transmission technique . 10 Characterization of imperfections. 10.1 Pulse echo technique... 10.2 Transmission techniques .... 11 Examination procedure. 12 Examination report.. 10 Copyrght International Organization forStandardizalonghts reserved ili ted withoutlicensefromIHS Not for Resale