ISO INTERNATIONAL STANDARD 8179-1 Third edition 2017-07 Ductile iron pipes, fittings, accessories and their joints External zinc-based coating Part 1: Metallic zinc with finishing layer Tuyaux, raccords et accessoires en fonte ductile et leurs assemblages-Revetementextérieurabasedezinc Partie 1:Zinc métallique avec couche de finition Referencenumber IS08179-1:2017(E) iso Intemational Organization for Standardization @IS02017 ZHEJIANG INST OF STANDARDIZATION C15956617 ed without license from IHS IS08179-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,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. ISO copyright office Ch. de Blandonnet 8. CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 [email protected] www.iso.org Intemationaibr PrganizationforStandardization Uicensee-ZHEJIANG INST OF STANDARDIZoISQ 3q,7 -All rights reserved networking permited without license from IHS NotforResale, 2017/9/2705:52:5 IS0 8179-1:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normativereferences 3 Terms and definitions 4 Materials .1 5 Zinc-based coating .2 5.1 Pipeline component surface condition .2 5.2 Method of application .2 5.3 Coating characteristics. .2 5.4 Zinc-based coating mass .2 5.5 Repairs to the zinc-based coating .3 6 Finishing layer .3 7 Testmethods .3 7.1 Determinationofzinc-basedcoatingmass 7.2 Determinationofthedryfilmthicknessofthefinishinglayer 4 Annex A (informative) Field verification of the metallic zinc-based coating mass on a finishedproduct. ..5 Annex B (informative) Field of use inrelation tothe characteristics of soils Bibliography .10 iii e=ZHEJIANG INSTOFSTANDARDIZATIONC15956617 hout license from IHS