BS-EN-24498-1-1993 ISO-4498-1-1990.pdf
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1、BRITISH STANDARD BS EN 24498-1:1993 ISO 4498-1: 1990 Sintered metal materials, excluding hardmetals Determination of apparent hardness Part 1: Materials of essentially uniform section hardness The European Standard EN 24498-1:1993 has the status of a British Standard UDC 621.762.5:669-492.2:620.178.
2、1 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 09:15:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 24498-1:1993 This British Standard, having been prepared under the direction of the Iron and Steel Standards Policy Committee, was published under the authority of the Standards Board a
3、nd comes into effect on 15 June 1993 BSI 08-1999 The following BSI references relate to the work on this standard: Committee reference ISM/65 Special announcement in BSI News January 1993 ISBN 0 580 21963 1 Cooperating organizations The European Committee for Standardization (CEN), under whose super
4、vision this European Standard was prepared, comprises the national standards organizations of the following countries: AustriaOesterreichisches Normungsinstitut BelgiumInstitut belge de normalisation DenmarkDansk Standardiseringsraad FinlandSuomen Standardisoimisliito, r.y. FranceAssociation franais
5、e de normalisation GermanyDeutsches Institut fr Normung e.V. GreeceHellenic Organization for Standardization IcelandTechnological Institute of Iceland IrelandNational Standards Authority of Ireland ItalyEnte Nazionale Italiano di Unificazione LuxembourgInspection du Travail et des Mines NetherlandsN
6、ederlands Normalisatie-instituut NorwayNorges Standardiseringsforbund PortugalInstituto Portugus da Qualidade SpainAsociacin Espaola de Normalizacin y Certificacin SwedenStandardiseringskommissionen i Sverige SwitzerlandAssociation suisse de normalisation United KingdomBritish Standards Institution
7、Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 09:15:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 24498-1:1993 BSI 08-1999i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 1Scope3 2Normati
8、ve references3 3Apparatus3 4Sampling and preparation of test pieces3 5Test requirements3 6Expression of results4 7Test report4 Annex A (normative) Conditions for Rockwell hardness test5 Annex ZA (normative) Normative references to international publications with their relevant European publications6
9、 National annex NA (informative) Committees responsibleInside back cover National annex NB (informative) Cross-referencesInside back cover Table 14 Table A.15 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 09:15:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 24498-1:1993 ii BSI 08-1999
10、National foreword This British Standard has been prepared under the direction of the Iron and Steel Standards Policy Committee and is the English language version of EN 24498-1:1993 Sintered metal materials, excluding hardmetals Determination of apparent hardness Part 1: Materials of essentially uni
11、form section hardness, published by the European Committee for Standardization (CEN). It is identical with ISO 4498-1:1990, prepared by Technical Committee 119, Powder metallurgy, of the International Organization for Standardization (ISO) with the active participation of the UK. This British Standa
12、rd supersedes BS 5600-3.11.1:1991 which is withdrawn and from which it differs by the addition of Annex ZA. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British S
13、tandard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have h
14、ad amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 09:15:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 24498-1 April 1993 UDC 621.762.5:669-49
15、2.2:620.178.1 Descriptors: Powder metallurgy, metallic powder, sintered products, hardness tests, Brinell hardness, Rockwell hardness, Vickers hardness English version Sintered metal materials, exluding hardmetals Determination of apparent hardness Part 1: Materials of essentially uniform section ha
16、rdness (ISO 4498-1:1990) Matriaux mtalliques fritts lexclusion des mtaux-durs Dtermination de la duret apparente Partie 1: Matriaux ayant essentiellement une duret uniforme dans la section (ISO 4498-1:1990) Metallische Sinterwerkstoffe, mit Ausnahme von Hartmetallen Bestimmung der scheinbaren Hrte T
17、eil 1: Werkstoffe mit im wesentlichen gleichmigem Hrteverlauf (ISO 4498-1:1990) This European Standard was approved by CEN on 1993-04-02. 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 nationa
18、l standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any o
19、ther language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland
20、, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1993 Copyright reserved to CEN
21、 members Ref. No. EN 24498-1:1993 E Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 09:15:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 24498-1:1993 BSI 08-1999 2 Foreword In 1992, ISO 4498-1:1990 Sintered metal materials, excluding hardmetals Determination of apparent hardness Part 1: Mat
22、erials of essentially uniform section hardness was submitted to the CEN Primary Questionnaire procedure. Following the positive result of the CEN/CS Proposal ISO 4498-1:1990 was submitted to the CEN Formal Vote. The result of the Formal Vote was positive. This European Standard shall be given the st
23、atus of a national standard, either by publication of an identical text or by endorsement, at the latest by October 1993, and conflicting national standards shall be withdrawn at the latest by October 1993. According to the Internal Regulations of CEN/CENELEC, the following countries are bound to im
24、plement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. NOTEThe European references to international publications are given in Annex ZA (normative).
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