BS EN IS0 4499-2:2020 BSI Standards Publication Hardmetals Metallographic determination of microstructure Part 2: Measurement of WC grain size bsi. BSENIS04499-2:2020 BRITISH STANDARD National foreword ThisBritish StandardistheUK implementationofENIS04499-2:2020 It is identical to IS0 4499-2:2020. It supersedes BS EN IS0 4499-2:2010 which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteeISE/65,Sinteredmetalcomponents. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @TheBritish Standards Institution2020 Published by BSI Standards Limited 2020 ISBN9780580521355 ICS 77.040.99; 77.160 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committeeon31August 2020. Amendments/corrigendaissuedsincepublication Date Textaffected EUROPEANSTANDARD EN IS0 4499-2 NORMEEUROPEENNE EUROPAISCHE NORM August 2020 ICS77.040.99;77.160 Supersedes ENIS0 4499-2:2010 English Version Hardmetals - Metallographic determination of microstructure-Part 2:Measurement of WC grain size (IS0 4499-2:2020) Metaux-durs - Détermination metallographique Hartmetalle - Metallographische Bestimmung de la microstructure -Partie 2: Mesurage de la der Mikrostruktur - Teil 2: Messung der taille des grains de WC (IS0 4499-2:2020) WC Korngrofe (ISO 4499-2:2020) This European Standard was approved by CEN on 1 August 2020. 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 ortoany CENmember. This European Standard exists in three official versions (English, French, German). A version in any other language Management Centrehas 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FURNORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2020CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 4499-2:2020: E worldwide for CEN national Members