1、BRITISH STANDARD AEROSPACE SERIES BS EN 2937:1994 Screws, hexagon head, threaded to head, in heat resisting steel FE-PA92HT (A286) Classification:900MPa (at ambient temperature)/650 C The European Standard EN2937:1994 has the status of a BritishStandard UDC 621.882.211-034.018.44:629.7BSEN2937:1994
2、This BritishStandard, having been prepared under the directionof the Aerospace Standards Policy Committee, waspublished under the authorityof the Standards Boardand comes into effect on 15 November1994 BSI01-2000 The following BSI references relate to the work on this standard: Committee reference A
3、CE/12 Draft for comment88/76307DC ISBN 0 580 22622 0 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: Austria Oesterreichisches Normungsi
4、nstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Ice
5、land Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Nor
6、malizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation UnitedKingdom BritishStandards Institution Amendments issued since publication Amd. No. Date CommentsBSEN2937:1994 BSI 01-2000 i Contents Page Cooperating organizations Inside front
7、 cover National foreword ii Foreword 2 1 Scope 3 2 Normative references 3 3 Required characteristics 3 4 Designation 5 5 Marking 6 6 Technical specification 6 National annex NA (informative) Committees responsible Inside back cover National annex NB (informative) Cross-references Inside back cover F
8、igure 1 4 Table 1 4 Table 2 5BSEN2937:1994 ii BSI 01-2000 National foreword This BritishStandard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN2937:1994 Aerospace series Screws, hexagon head, threaded to head, in heatresist
9、ing steel FE-PA92HT (A286) Classification:900MPa (at ambient temperature)/650 C, published by the European Committee for Standardization (CEN). EN2937:1994 was produced as a result of international discussions in which the UnitedKingdom took an active part. A British Standard does not purport to inc
10、lude 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 obligations. Summary of pages This document comprises a front cover, an inside front cover, page
11、si andii, theEN title page, pages2 to6, 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 amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN293
12、7 August1994 UDC: 621.882.211-034.018.44:629.7 Descriptors: Aircraft industry, fastener, screw, hexagonal head screw, heat resistant steel, classification, characteristic, dimension, screw thread, code, designation, marking English version Aerospace series Screws, hexagon head, threaded to head, in
13、heat resistingsteel FE-PA92HT (A286) Classification:900MPa (at ambient temperature)/650 C Srie arospatiale Vis tte hexagonale, filetes sous tte, en acierrsistant chaud FE-PA92HT (A286) Classification:900MPa ( temprature ambiante)/650 C Luft- und Raumfahrt Sechskantschrauben, Gewinde bis Kopf, aus ho
14、chwarmfestem Stahl FE-PA92HT (A286) Klasse:900MPa (bei Raumtemperatur)/650 C This European Standard was approved by CEN on1994-08-17. 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 st
15、andard 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 other
16、 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, Ir
17、eland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1994 Copyright reserved to CEN memb
18、ers Ref. No. EN2937:1994 EEN2937:1994 BSI 01-2000 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this standard has successively received the ap
19、proval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. 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 February1995, and
20、conflicting national standards shall be withdrawn at the latest by February1995. 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, Ireland, Italy, Luxembourg,
21、 Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom.EN2937:1994 BSI 01-2000 3 1 Scope This standard specifies the characteristics of hexagon headed screws, threaded to head, in FE-PA92HT, for aerospace applications. Classification:900MPa 1) /650 C 2) 2 Normative references T
22、his 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 hereafter. For dated references, subsequent amendments to or revisions of any of these publi
23、cations 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. ISO3353, Aerospace Rolled threads for bolts Lead and runout requirements. ISO5855-2, Aerospace MJ threads Part2: Limit dime
24、nsions for bolts and nuts. EN2398, Heat resisting steel FE-PA92-HT R m U 900MPa Bars for machined bolts Dk 25mm Aerospace series 3) . EN2399, Heat resisting steel FE-PA92-HT R m U 900MPa Bars for forged bolts Dk 25mm Aerospace series 3) . EN2424, Aerospace series Marking of aerospace products 3) . E
25、N3043, Aerospace series Fasteners, externally threaded, in heat resisting steel FE-PA92HT (A286) Classification:900MPa/650 C Manufacturing method optional Technical specification 4) . 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 1 and Table 2. Dime
26、nsions and tolerances are in millimetres. 3.2 Materials EN2398 or EN2399 1) Minimum tensile strength of the material at ambient temperature 2) Maximum test temperature of the parts 3) Published as AECMA Standard at the date of publication of this standard 4) Published as AECMA Prestandard at the dat
27、e of publication of this standardEN2937:1994 4 BSI 01-2000 Table 1 Figure 1 Thread a D E F G H K Q S W Code Designation 0,13 min. min. min. max. min. h12 max. min. 030 MJ30,5-4h6h 2,68 6,5 5,4 5,5 0,4 0,2 2 2,3 6 1,4 1,15 040 MJ40,7-4h6h 3,55 7,6 6,4 6,4 0,5 2,5 3,1 7 1,8 1,45 a In accordance with I
28、SO5855-2 0 0,3 0 0,5EN2937:1994 BSI 01-2000 5 Table 2 4 Designation EXAMPLE: NOTEIf necessary, the codeI9005 shall be placed between the description block and the identity block. Length code N 0,3 Thread code 030 040 Mass a Mass a 004 4 0,67 006 6 0,76 1,31 008 8 0,85 1,46 010 10 0,94 1,62 012 12 1,
29、02 1,77 014 14 1,11 1,93 016 16 1,20 2,09 018 18 1,29 2,24 020 20 1,38 2,40 022 22 1,47 2,55 024 24 1,56 2,71 026 26 1,65 2,87 028 28 1,73 3,02 030 30 1,82 3,18 032 32 1,91 3,33 034 34 2,00 3,49 036 36 2,09 3,64 038 38 2,18 3,80 040 40 2,27 3,96 042 42 2,36 4,11 044 44 4,27 046 46 4,42 048 48 4,58 0
30、50 50 4,74 052 52 4,89 054 54 5,05 056 56 5,20 a Mass quoted inkg/1000 partsEN2937:1994 6 BSI 01-2000 5 Marking EN2424, style A, as indicated on Figure 1. 6 Technical specification EN3043BSEN2937:1994 BSI 01-2000 National annex NA (informative) Committees responsible The UnitedKingdom participation
31、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: Association of Electronics, Telecommunications and Business Equipment Industries British Industrial Fastener
32、s Federation Ministry of Defence Society of British Aerospace Companies Ltd. National annex NB (informative) Cross-references The BritishStandards corresponding to the International Standards referred to in the text are as follows. International Standard Corresponding BritishStandard ISO3353:1992 BS
33、2A231:1993 Rolled threads for bolts Lead and runout requirements ISO5855-2:1988 BS6293 MJ threads for aerospace construction Part2:1982 Specification for dimensions for bolts and nutsBS EN 2937:1994 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent nation
34、al body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the la
35、test amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which
36、can be found on the inside front cover. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publ
37、ications should be addressed to Customer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI pr
38、ovides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Te
39、l:02089967111. Fax:02089967048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copy
40、right subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any for
41、m or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.
