ISO INTERNATIONAL STANDARD 17577 Secondedition 2016-01-15 Corrected version 2016-03-01 Steel - Ultrasonic testing of steel flat products of thickness equal to or greater than 6 mm Aciers-Controleultrasonoredes produits plats en acier d'épaisseur égaleousupérieurea6mm Reference number ISO 17577:2016(E) ISO Intermational Organization for Standardization @IS02016 =ZHEJIANG INSTOFSTANDARDIZATIONC15956617 ted without license from IHS IS017577:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,Published inSwitzerland 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. 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 Intematinaibr PrganizationfoStandardization Licensee-ZHEJIANG INSTOF STANDARDIZARoISQ6-All rights reserved networking permited without license from IHS NotforResale, 2016/4/26 03:30:06 IS017577:2016(E) Contents Page Foreword ..iv 1 Scope 2 Normativereferences 3 Terms and definitions 4 Principle ..2 5 Personnel .2 6 Testing system. .3 6.1 General requirements .3 6.2 Manual testing instrument. .3 6.3 Automatedtesting system .3 6.4 Performanceofelectronicequipment .3 6.4.1Linearity. .3 6.4.2 Deadzone 4. 6.5 Probes 4 6.6 Coupling medium .4 7 Test procedure ..4 7.1 Time of testing 4 7.2 Scanning plan. .5 7.2.1 General .5 7.2.2 Testingoftheflat-productbody .5 7.2.3 Testing of the edges of the flat products .5 7.3 Scanning condition. .5 7.4 Sensitivity and range setting. ..6 8 Determination ofthe discontinuity size .7 8.1 Testing the flat-product body. .1 8.1.1 Testing with dual-element probes 8.1.2 Testing with single-element probes .7 8.2 Testing the edges. .8 9 Acceptance criteria 10 Test report ..8 Bibliography .13 iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ithout license from IHS