ISO INTERNATIONAL STANDARD 6506-2 Fourth edition 2017-10 Metallic materials Brinell hardness test - Part 2: Verification and calibration of testing machines Materiauxmétalliques-EssaidedureteBrinell- Partie2:Verification etétalonnagedesmachines d'essai Referencenumber IS06506-2:2017(E) @IS02017 IS06506-2:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,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 writtenpermission.PermissioncanberequestedfromeitherIsoattheaddressbeloworIso'smemberbodyinthecountryof the requester. ISO copyright office Ch.deBlandonnet 8.CP401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 0111 Fax +4122 749 09 47 copyright@iso.org www.iso.org i IS02017-Allrightsreserved IS0 6506-2:2017(E) Contents Page Foreword .iv 1 Scope .1 2 Normativereferences 3 Terms and definitions ..1 4 General conditions 5 Direct verification 2 5.1 General 2 5.2 Measurementofthetestforces 2 5.3 Measurement of theproperties of the indenterball 3 5.4 Calibrationoftheindentationdiametermeasuringsystem 3 5.5 Verification of the testing cycle 4 6 Indirect verification 4 7 Intervals between verifications .6 8 Verificationreport/calibrationcertificate 6 Annex A (informative)Uncertainty of measurement of the verification results ofthe hardnesstestingmachine .8 Annex B (normative) Verification of hardness testing machines that are incapable of meeting the specifiedforce/time profile ..15 Bibliography .16 IS02017-Allrightsreserved ili