BS-EN-23369-1993 ISO-3369-1975.pdf
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1、BRITISH STANDARD BS EN 23369:1993 ISO 3369:1975 Impermeable sintered metal materials and hardmetals Determination of density The European Standard EN 23369:1993 has the status of a British Standard UDC 621.762.5:669-492.2:669.018.25:620.1:531.75 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03
2、 08:56:35 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 23369:1993 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 and comes into effect on 15 June 1993 BSI 12-1999 The follo
3、wing BSI references relate to the work on this standard: Committee reference ISM/65 Special announcement in BSI News January 1993 ISBN 0 580 21938 0 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the
4、national standards organizations of the following countries: AustriaOesterreichisches Normungsinstitut BelgiumInstitut belge de normalisation DenmarkDansk Standardiseringsraad FinlandSuomen Standardisoimisliito, r.y. FranceAssociation franaise de normalisation GermanyDeutsches Institut fr Normung e.
5、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 NetherlandsNederlands Normalisatie-instituut NorwayNorges Standardiser
6、ingsforbund PortugalInstituto Portugus da Qualidade SpainAsociacin Espaola de Normalizacin y Certificacin SwedenStandardiseringskommissionen i Sverige SwitzerlandAssociation suisse de normalisation United KingdomBritish Standards Institution Amendments issued since publication Amd. No.DateComments L
7、icensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 08:56:35 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 23369:1993 BSI 12-1999i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 1Scope and field of application3 2References3 3Principle3 4Apparatus and mat
8、erials3 5Test piece3 6Procedure3 7Expression of results4 8Test report4 National annex NA (informative) Committees responsibleInside back cover National annex NB (informative) Cross-referenceInside back cover Figure 14 Figure 25 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 08:56:35 GMT+00:0
9、0 2006, Uncontrolled Copy, (c) BSI BS EN 23369:1993 ii BSI 12-1999 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 23369:1993 Impermeable sintered metal materials and hardmetals D
10、etermination of density, published by the European Committee for Standardization (CEN). It is identical with ISO 3369:1975, published by the International Organization for Standardization (ISO). This British Standard supersedes BS 5600-3.1:1979 and BS 5600-4.4:1979 which are withdrawn. This edition
11、makes no technical changes to these standards. 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 Standard does not of itself confer immunity from legal obligat
12、ions. 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 had amendments incorporated. This will be indicated in the ame
13、ndment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 08:56:35 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 23369 April 1993 UDC 621.762.5:669-492.2:669.018.25:620.1:531.75 Descriptors: Powder metallurgy, har
14、d metals, sintered products, density (mass volume), measurements English version Impermeable sintered metal materials and hardmetals Determination of density (ISO 3369:1975) Matriaux en mtal fritt impermable et mtaux-durs Dtermination de la masse volumique (ISO 3369:1975) Undurchlssige Sintermetalle
15、 und Hartmetalle Ermittlung der Dichte (ISO 3369:1975) 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 national standard without any al
16、teration. 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 other language made by tra
17、nslation 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, Ireland, Italy, Luxembo
18、urg, 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 members Ref. No. EN 2336
19、9:1993 E Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 08:56:35 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 23369:1993 BSI 12-1999 2 Foreword In 1992, ISO 3369:1975 Impermeable sintered metal materials and hardmetals Determination of density was submitted to the CEN Primary Questionnaire
20、procedure. Following the positive result of the CEN/CS Proposal ISO 3369:1975 was submitted to the Formal Vote. The result of the Formal Vote was positive. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the la
21、test by October 1993, and conflicting national standards shall be withdrawn at the latest by October 1993. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, I
22、reland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 08:56:35 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 23369:1993 BSI 12-19993 1 Scope and field of application This International Standard spe
23、cifies a method of determining the density of impermeable sintered metal materials and hardmetals. NOTEFor determination of density of permeable sintered metal materials, see ISO 2738, Permeable sintered metal materials Determination of density and open porosity. 2 References ISO. . ., Sintered meta
24、l materials, excluding hardmetals Sampling1). ISO. . ., Hardmetals Sampling and preparation of test pieces1). 3 Principle Weighing of a test piece first in air and then in a liquid, and determination of the density by calculation. 4 Apparatus and materials 4.1 Precision balance having a capacity whi
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