International ISO Standard IS07801 Second edition Metallic materials Wire - 2024-11 Reverse bend test Matériaux métalliques - Fils - Essai de pliage alterné Reference number IS0 7801:2024(en) @ ISO 2024 IS0 7801:2024(en) COPYRIGHT PROTECTED DOCUMENT @ IS0 2024 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 CP 40i : 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 @ IS0 2024 - All rights reserved ii IS0 7801:2024(en) Contents Page Foreword. ..iv 1 Scope ..1 2 Normative references .1 ..1 3 Terms and definitions. 4 Symbols. .1 5 Principle .2 6 Testing equipment .3 6.1 ..3 General 6.2 Cylindrical supports and gripping faces. ..3 6.3 Bending arm and guide. 7 Test piece ..4 ..4 8 Procedure. .5 9 Test report. Annex A (normative) Testing parameter during reverse bend test for shaped steel wires Annex B (informative) Examples of devices applying force to test pieces ..8 Bibliography .9 @ IS0 2024 - All rights reserved iii

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