ISO INTERNATIONAL STANDARD 6621-3 Third edition 2021-06 Internal combustion engines Piston rings - Part 3: Material specifications Moteurs a combustion interne Segments de piston - Partie 3: Spécifications des materiaux Reference number ISO 6621-3:2021(E) ISO @ISO2021 IS0 6621-3:2021(E) COPYRIGHTPROTECTED DOCUMENT IS02021 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 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved
ISO 6621-3 2021 Internal combustion engines — Piston rings — Part 3 Material specifications