ISO INTERNATIONAL STANDARD 16856 First edition 2013-12-15 Ships and marine technology Loose gear of lifting appliances on ships Hooks Navires et technologie maritime Accessoires mobiles des appareils de levage sur les navires - Crocs Reference number IS0 16856:2013(E) LSO IS02013 HS under ted without license from IHS Not for Resale IS0 16856:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO2013 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 16856:2013(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms and definitions 4 Types. ..1 4.1 Common hook types. .1 4.2 Other types (E-shaped) 4.3 Model designation .2 4.4 Locking device requirement. 2 5 Technical requirements .2 5.1 Materials. 2 5.2 Forging and heat treatment .3 5.3 Surface and internal quality of hooks. 3 5.4 Tests. .3 5.5 Inspection. 5.6 Other requirements. ..4 6 Marking. ..4 7 Storage and transportation ..5 8 Use and maintenance. ..5 Annex A (informative) Types and basic parameters of common hooks 6 iii ded by IHS under lic ense with ISt ed without license from IHS Not for Resale