ISO INTERNATIONAL STANDARD 6507-4 Second edition 2018-02 Metallic materials Vickers hardness test - Part 4: Tables of hardness values Matériaux metalliques -Essai de durete Vickers - Partie 4:Tableauxdevaleurs de dureté Reference number IS0 6507-4:2018(E) OSI @ISO2018 Copyright IS0 6507-4:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS02018 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 40i: Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland @ IS0 2018 - All rights reserved IS0 6507-4:2018(E) Contents Page Foreword .iv 1 Scope .1 2 Normativereferences 3 Terms and definitions ..1 4 Tables of Vickers hardness values 1 CopyrightInemational oaA rights reserved iii