EN ISO 20623-2018 en Petroleum and related products - Determination of the extreme-pressure and anti-wear properties of lubricants - Four-ball method (European conditions).pdf
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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Petroleum and related products Determination of the extreme-pressure and anti-wear properties of lubricants Four-ball method (European conditions) (ISO 20623:2017)BS EN ISO 20623:2018National forewordThis British Standa
2、rd is the UK implementation of EN ISO 20623:2018. It is identical to ISO 20623:2017. It supersedes BS EN ISO 20623:2003, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PTI/13, Petroleum Testing and Terminology.A list of organizations represented on th
3、is committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 95182 4ICS
4、 75.100Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO
5、 20623:2018EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 20623January 2018ICS 75.100 Supersedes EN ISO 20623:2003EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018 CEN Ref. No
6、. EN ISO 20623:2018: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national MembersPetroleum and related products - Determination of the extreme-pressure and anti-wear properties of lubricants - Four-ball method (European conditions) (ISO 20623:2017)Ptrole et pr
7、oduits connexes - Dtermination des proprits extrme pression et anti-usure des lubrifiants - Essai quatre billes (conditions Europennes) (ISO 20623:2017)Minerallerzeugnisse und verwandte Produkte Bestimmung der EP-Eigenschaften und Verschleikennwerte von Schmierstoffen Verfahren mit dem Vierkugel-App
8、arat (Europische Bedingungen) (ISO 20623:2017)This European Standard was approved by CEN on 6 December 2017.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 alterat
9、ion. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by
10、 translation under the responsibility of a 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, F
11、inland, 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.English VersionEN ISO 2062
12、3:2018 (E)European forewordThis document (EN ISO 20623:2018) has been prepared by Technical Committee ISO/TC 28 “Petroleum and related products, fuels and lubricants from natural or synthetic sources“ in collaboration with Technical Committee CEN/TC 19 “Gaseous and liquid fuels, lubricants and relat
13、ed products of petroleum, synthetic and biological origin” the secretariat of which is held by NEN.This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2018, and conflicting national standards sha
14、ll be withdrawn at the latest by July 2018.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.This document supersedes EN ISO 20623:2003.This document ha
15、s been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association.According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria
16、, 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
17、, Turkey and the United Kingdom.Endorsement noticeThe text of ISO 20623:2017 has been approved by CEN as EN ISO 20623:2018 without any modification.2BS EN ISO 20623:2018ISO 20623:2017(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Principle 25 Cleaning sol
18、vents 26 Apparatus . 27 Samples and sampling 58 Preparation of apparatus 59 General procedure 510 Test procedures . 710.1 Test A Load-Wear Index (LWI) . 710.2 Test B Wear-load curve, welding load, and initial seizure load . 710.3 Test C Wear test . 811 Calculations 911.1 General . 911.2 Test A Load
19、wear index. 911.3 Test B Wear-load curve, initial seizure load 1011.4 Test C Wear test 1012 Expression of results .1113 Precision 1113.1 General 1113.2 Repeatability 1113.3 Reproducibility 1114 Test report 11Annex A (normative) Test ball specifications .13Annex B (normative) Mean Hertz Load data she
20、et .14Bibliography .16 ISO 2017 All rights reserved iiiContents PageBS EN ISO 20623:2018ISO 20623:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is norma
21、lly carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in th
22、e work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular, the
23、 different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this docume
24、nt may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/
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