ISO INTERNATIONAL STANDARD 7963 Third edition 2022-10 Non-destructive testing Ultrasonic testing Specification for calibration block No. 2 Essais non destructifs - Controle par ultrasons - Spécifications relatives au bloc d'étalonnage n° 2 Reference number IS0 7963:2022(E) ISO IS02022 IS0 7963:2022(E) COPYRIGHTPROTECTED DOCUMENT @ IS0 2022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may 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 CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2022 - All rights reserved