BSENIS04545-3:2017 BSI Standards Publication Metallic materials Knoop hardness test Part3:Calibrationofreferenceblocks bsi. BSENISO4545-3:2017 BRITISH STANDARD National foreword ThisBritishStandard istheUKimplementationofENIS04545-3:2018. It is identical to IS0 4545-3:2017.It supersedes BS ENIS04545-3:2005, which is withdrawn. The UKparticipation in its preparation was entrusted to Technical CommitteeISE/101/5,Indentationhardnesstesting Alistoforganizationsrepresented onthiscommitteecanbeobtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofacontract.Usersareresponsibleforits correctapplication. @The British Standards Institution 2018 Published by BSI Standards Limited 2018 ISBN9780580842825 ICS77.040.10 CompliancewithaBritishStandard cannotconferimmunityfrom legalobligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31March2018 Amendments/corrigendaissuedsincepublication Date Text affected EUROPEAN STANDARD ENIS0 4545-3 NORME EUROPEENNE EUROPAISCHENORM March 2018 ICS19.060;77.040.10 Supersedes EN IS0 4545-3:2005 English Version Metallic materials - Knoop hardness test - Part 3: Calibrationofreferenceblocks(Is04545-3:2017) Materiaux métalliques - Essai de dureté Metallische Werkstoffe - Harteprifung Knoop-Partie 3: Etalonnage des blocs nach Knoop - Teil 3: Kalibrierung von de reference (IS0 4545-3:2017) Hartevergleichsplatten (IS0 4545-3:2017 ThisEuropeanStandardwasapprovedbyCENon30November2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or toany CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility ofa CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018CEN All rights of exploitation in any form and by any means reserved Ref. No. EN IS0 4545-3:2018: E worldwide for CEN national Members