BS-EN-10331-2003.pdf
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1、BRITISH STANDARD BS EN 10331:2003 Magnetic materials Specification for sintered soft magnetic materials The European Standard EN 10331:2003 has the status of a British Standard ICS 29.030 ? BS EN 10331:2003 This British Standard was published under the authority of the Standards Policy and Strategy
2、Committee on 2 May 2003 BSI 2 May 2003 ISBN 0 580 41786 7 National foreword This British Standard is the official English language version of EN 10331:2003. It supersedes BS 6404-8.9:1995 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/NFE/5, Magn
3、etic alloys and steels, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the B
4、SI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for
5、 its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK inte
6、rests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright date displayed in this document indicates when the
7、 document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10331 April 2003 ICS 29.030 English version Magnetic materials - Specification for sintered soft magnetic materials Matriaux magntiques - Spcification des matriau
8、x magntiques doux fritts Magnetische Werkstoffe - Anforderungen an weichmagnetische Sintermetalle This European Standard was approved by CEN on 21 February 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
9、 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 Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, Germa
10、n). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finla
11、nd, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Sta
12、ssart, 36 B-1050 Brussels 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10331:2003 E EN 10331:2003 (E) 2 Contents page Foreword3 1Scope 4 2Normative references 4 3Terms and definitions4 4Symbols5 5General requirements5 5.1Man
13、ufacturing process .5 5.2State of delivery .5 5.3Properties .5 5.4Chemical composition.5 5.5Dimensions.5 6Measurements5 6.1Scope of test and sampling5 6.2Determination of magnetic properties.6 6.3Determination of density.6 6.4Determination of hardness .6 7Classification6 8Designation.6 9Ordering inf
14、ormation.6 Bibliography9 EN 10331:2003 (E) 3 Foreword This document (EN 10331:2003) has been prepared by Technical Committee ECISS/TC 24, “Electrical steel sheet and strip qualities - Qualities dimensions, tolerances and specific tests“, the secretariat of which is held by DIN. This European Standar
15、d shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2003, and conflicting national standards shall be withdrawn at the latest by October 2003. This document is equivalent to IEC 60404-8-9. According to the CEN/CEN
16、ELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, S
17、lovakia, Spain, Sweden, Switzerland and the United Kingdom. EN 10331:2003 (E) 4 1 Scope This European Standard specifies some magnetic and mechanical properties of sintered soft magnetic metals which are used for components made by a powder metallurgical process only. This standard does not apply to
18、 magnetically soft castings or to semi-finished products. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and the publications are listed hereafte
19、r. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). prEN 10281, Magn
20、etic materials Methods of measurement of the magnetic properties of isotropic nickel-iron soft magnetic alloys, types E1, E3 and E4. EN 24498-1, Sintered metal materials, excluding hardmetals - Determination of apparent hardness - Part 1: Materials of essentially uniform section hardness (ISO 4498-1
21、:1990) IEC 60050-121:1998, International Electrotechnical Vocabulary (IEV) Chapter 121: Electromagnetism. IEC 60050-221:1990, International Electrotechnical Vocabulary (IEV) Chapter 221: Magnetic materials and components. EN ISO 2738, Sintered metal materials, excluding hardmetals - Permeable sinter
22、ed metal materials Determination of density, oil content and open porosity (ISO 2738:1999). ISO 3369, Impermeable sintered metal materials and hardmetals Determination of density. ISO 4498-2, Sintered metal materials, excluding hardmetals Determination of apparent hardness Part 2: Case- hardened fer
23、rous materials, surface enriched by carbon or carbon and nitrogen ISO 5755, Sintered metal materials Specifications. 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in IEC 60050-121:1998 and IEC 60050-221:1990, and the following apply: 3.1 sintered
24、 density, s quotient of mass m and volume V of the sintered structural part (including pores) : V m s =?(1) NOTEThe sintered density s, given in equation (1) in grammes per cubic centimetres, is calculated from m in grammes and V in cubic centimetres. 3.2 porosity, Ps content of pores relative to th
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