ISO INTERNATIONAL STANDARD 14713-1 Second edition 2017-04 Zinc coatings Guidelines and recommendations for the protection against corrosion of iron and steel in structures- Part 1: General principles of design and corrosion resistance Revetementsde zinc-Lignes directrices et recommandations pour la protection contre la corrosion du fer et de I'acier dans les constructions- Partie1:Principes genérauxdeconception etrésistanceala corrosion Reference number ISO 14713-1:2017(E) ISO IS02017 IS0 14713-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2017, Published in Switzerland 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+41227490947 [email protected] www.iso.org ii @ IS0 2017-All rights reserved IS014713-1:2017(E) Contents Page Foreword iv 1 Scope .1 2 Normativereferences .1 3 Terms and definitions .2 4 Materials .2 4.1 Ironand steel substrates 2 4.2 Zinc coatings. 3 5 Selection of zinc coating .3 6 Design requirements. .3 6.1 General principles of design to avoid corrosion. 3 6.2 Design for application of different zinc coatingprocesses 4 6.3 Tubes and hollow sections.. 4 6.3.1 General.. .4 6.3.2 Corrosionprotectionof internalandexternal surfaces 4 6.4 Connections 5 6.4.1 Fastenings to be used with hot dip galvanized, sherardized or thermally sprayed coatings. 5 6.4.2 Welding considerations related to coatings 5 6.4.3 Brazing or soldering 6 6.5 Duplex systems. 6 6.6 Maintenance 6 7 Corrosion indifferent environments 6 7.1 Atmospheric exposure 6 7.2 Exposureto soils 9 7.3 Exposureto water 12 7.4 Abrasion 12 7.5 Exposure to chemicals .12 7.6 Elevated temperatures 13 7.7 Contact with concrete 13 7.8 Contact with wood. 14 7.9 Bimetallic contact 14 8 Accelerated test methods applied to zinc coatings .16 Bibliography .17 @IS0 2017-All rights reserved ili