ISO INTERNATIONAL STANDARD 18265 Second edition 2013-10-01 Metallic materials Conversion of hardness values Matériaux métalliques-Conversiondesvaleurs de dureté Reference number ISO 18265:2013(E) ISO @IS02013 IS0 18265:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 心 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 copyrightoffice Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax +4122 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland i @ IS0 2013 - All rights reserved IS0 18265:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Principles of conversion ..1 3 Application of conversion tables ..4 3.1 General. .4 3.2 Converting values... 3.3 Designation of conversion results .9 3.4 Notes on use of conversion tables 10 Annex A (informative) Conversion table for unalloyed, low alloy steels and cast steel ..12 Annex B (informative) Conversion tables for steels for quenching and tempering ..17 Annex C (informative) Conversion tables for steels for cold working ..37 Annex D (informative) Conversion tables for high speed steels ..48 Annex E (informative) Conversion tables for hardmetals ..61 Annex F (informative) Conversion tables for non-ferrous metals and alloys .65 Annex G (informative) Conversion tables for tool steels ..76 Annex H (informative) Remarks on the effect of the changed test conditions ..80 .-KdNr.6363415-LfNr.6634196001-2014-05-14 13:51 Bibliography ..84 @ IS0 2013 - All rights reserved iii