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1、BRITISH STANDARD AEROSPACE SERIES BS EN 2138:1993 Implementing Amendment No. 1, not published separately Washers, flat, in steel, cadmium plated The European Standard EN 2138:1993 has the status of a British Standard ICS 49.030.99 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+0
2、0:00 2006, Uncontrolled Copy, (c) BSI BS EN 2138:1993 This British Standard, having been prepared under the direction of the Aerospace Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 March 1993 BSI 06-1999 First published June 1990 Sec
3、ond edition March 1993 The following BSI references relate to the work on this standard: Committee reference ACE/12 Draft for comment 92/76813 DC ISBN 0 580 21050 2 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared
4、, comprises the national standards organizations of the following countries: AustriaOesterreichisches Normungsinstitut BelgiumInstitut belge de normalisation DenmarkDansk Standardiseringsraad FinlandSuomen Standardisoimisliito, r.y. FranceAssociation franaise de normalisation GermanyDeutsches Instit
5、ut 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 NetherlandsNederlands Normalisatie-instituut NorwayNor
6、ges Standardiseringsforbund 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. N
7、o.DateComments 10160November 1998 Indicated by a sideline in the margin Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2138:1993 BSI 06-1999i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text
8、 of EN 2138 3 National annex NA (informative) Committees responsibleInside back cover National annex NB (informative) Cross-referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2138:1993 ii BSI 06-1999 National f
9、oreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN 2138:1993 Aerospace series Washers, flat, in steel, cadmium plated, published by the European Committee for Standardization (CEN). It supersedes B
10、S EN 2138:1990 which is withdrawn. EN 2138:1993 was produced as a result of international discussions in which the United Kingdom took an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their corre
11、ct application. Compliance with a British Standard 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
12、updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM
13、 EN 2138 January 1993 UDC 621.882.4-034.14.629.7Supersedes EN 2138:1989 Incorporates corrigendum March 1998 Descriptors: Aircraft industry, washers, steels, designation, dimensions English version Aerospace series Washers, flat, in steel, cadmium plated Srie arospatiale Rondelles plates, en acier, c
14、admies Luft- und Raumfahrt Scheiben, aus Stahl, verkadmet This European Standard was approved by CEN on 1993-01-04. 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
15、 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 other language made by
16、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, Ireland, Italy, Luxe
17、mbourg, 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 1998 CEN All rights of exploitation in any form and
18、by any means reserved worldwide for CEN national Members Ref. No. EN 2138:1996 E Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2138:1993 BSI 06-1999 2 Foreword This European Standard has been prepared by the European Association of Aero
19、space Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has successively received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This Eu
20、ropean 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 1993, and conflicting national standards shall be withdrawn at the latest by July 1993. According to the CEN/CENELEC Internal Regulations, the followi
21、ng countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword2 1Scope3 2Normative references3 3Required
22、 characteristics3 4Designation5 5Marking5 6Quality assurance5 Figure 14 Table 1 4 Table 25 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2138:1993 BSI 06-19993 1 Scope This standard specifies the characteristics of flat steel washers, c
23、admium plated, for maximum operating temperature 235 C, for aerospace applications. They are intended for use primarily underneath nuts, for use underneath bolt heads the compatibility shall be checked. 2 Normative references This European Standard incorporates by dated or undated reference provisio
24、ns from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by a
25、mendment or revision. For undated references the latest edition of the publication referred to applies. EN 2000, Aerospace series Quality assurance EN aerospace products Approval of the quality system of manufacturers. EN 2133, Aerospace series Cadmium plating of steels, with maximum specified tensi
26、le strength equal to or less than 1 450 MPa, copper, copper alloys and nickel alloys1). EN 2209, Steel FE-PL43S 900 MPa # Rm # 1 100 MPa Sheets, strips and plates 0,5 mm # a # 20 mm Aerospace series1). EN 2424, Aerospace series Marking of aerospace products. EN 2438, Steel FE-PL62 900 MPa # Rm # 1 1
27、00 MPa Bars De # 40 mm Aerospace series1). 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1 and Table 2. Dimensions and tolerances are expressed in millimetres and apply after surface treatment. 3.2 Materials EN 2209 or EN 2438 3.3 Surface treatment EN 2133, 7
28、4m to 10 4m Black colour option: code F 1) Published as AECMA Standard at the date of publication of this standard Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2138:1993 4 BSI 06-1999 Table 1 Values in micrometres apply prior to surfac
29、e treatment. Remove sharp edges 0,1 to 0,2. Figure 1 Diameter codeD1 D2 h14 S 10 %XY 0161,8 H13 3,20,4 0,3 0,18 0202,240,4 0252,750,5 0303,260,51 0353,770,51 0,5 0404,380,511,6 0505,5100,511,6 0606,5120,511,62 0707,5140,511,62 0808,5 H14 160,511,62 10010,52011,622,5 12012,52411,622,5 14014,52611,623
30、,2 0,25 16016,52811,623,2 18018,53111,623,2 20020,5351,623,2 22022,5371,623,2 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2138:1993 BSI 06-19995 Table 2 4 Designation EXAMPLE: 5 Marking EN 2424, style G 6 Quality assurance EN 2000 Thi
31、ckness S0,40,51,01,62,02,53,2 Code04051016202532 Diameter codeMassa 0160,017 0200,028 0250,05 0300,080,16 0350,110,22 0400,140,280,45 0500,210,430,69 0600,310,621,001,25 0700,430,861,371,71 0800,561,131,802,25 1001,772,843,554,44 1202,574,125,146,43 1402,854,575,709,15 1603,145,026,2710,04 1803,796,
32、077,5812,15 2004,937,909,8615,80 2208,4710,5716,94 a Approximate values (kg/1 000 pieces), calculated on the basis of 7,85 kg/dm3, given for information purposes only NOTEIf necessary, the code 19005 shall be placed between the description block and the identity block. Licensed Copy: sheffieldun she
33、ffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 6 blank Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2138:1993 BSI 06-1999 National annex NA (informative) Committees responsible The United Kingdom partic
34、ipation in the preparation of this European Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/12, upon which the following bodies were represented. British Industrial Fasteners Federation Association of Electronics, Telecommunications and Business
35、Equipment Industries Ministry of Defence Society of British Aerospace Companies Ltd. National annex NB (informative) Cross-references The British Standards corresponding to the European Standards referred to in the text are identical in number and title with those given in clause 2, with the excepti
36、on of EN 2133, EN 2209, EN 2424 and EN 2438 for which no corresponding British Standards exist. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 03 07:43:31 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2138:1993 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is
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