1、-=-= y ._ CEN ENs2925 94 3404589 0072069 952 BRITISH STANDARD AEROSPACE SERIES Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286) Classification : 900 MPa (at ambient temperature)/650 OC The European Standard EN 2925 : 1994 has the status of a British S
2、tandard Srie arospatiale Vis tte bihexagonale, fiit dgag, filetage long, en acier rsistant chaud FE-PA92HT (A286) ambiante)/650 OC Luft- und Raumfahrt Zwlfkantschrauben, Diinnschaft, langes Gewinde, aus hochwarmfestem Stahl Klasse : 900 MPa (bei Raumtemperatur)/650 OC Classification : 900 MPa ( temp
3、rature FE-PA92HT (A286) UDC 621.882.214-034.018.44:629,7 BS EN 2925 : 1994 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, BS EN 2925 : 1994 Cooperating organizations The Europ
4、ean Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries: Austria Belgium Denmark Finland France Germany Greece Iceland Ireland Italy Luxembourg Netherlands Norway Portugal Spain Sw
5、eden Switzerland United Kingdom Oesterreichisches Normungsinstitut Institut belge de normalisation Dansk Standardiseringsraad Suomen Standardisoimisliito, r. y. Association francaise de normalisation Deutsches Institut fr Normung e.V. Hellenic Organization for Standardization Rchnological Institute
6、of Iceland National Standards Authority of Ireland Ente Nazionale Italiano di Unificazione Inspection du Travail et des Mines Nederlands Normalisatie-instituut Norges Standardiseringsforbund Instituto Portugus da Qualidade Asociacin Espaola de Normalizacin y Certificacin Standardiseringskommissionen
7、 i Sverige Association suisse de normalisation British Standards Institution This British Standard, having been prepared under the direction of the Aerospace Standards Policy Committee, was published under the authority of the Standards Amendments issued since publication Board and comes into effect
8、 on 15 November 1994 Amd. No. O BSI 1994 Date Rxt affected The following BI references relate to the work on this standard: Committee reference ACEI12 Draft for comment 88/76308 DC ISBN O 680 22616 8 Copyright European Committee for Standardization Provided by IHS under license with CENNot for Resal
9、eNo reproduction or networking permitted without license from IHS-,-,-CEN EN*2925 94 m 3404589 0072073 500 W BS EN 2925 : 1994 Contents Cooperating organizations National foreword Page Inside front page i Foreword 2 Specification 1 Scope 3 2 Normative references 3 3 Required characteristics 3 4 Desi
10、gnation 7 5 Marking 7 6 Technical specification 7 National annex NA (informative) Committees responsible National annex NB (informative) Cross-references Inside back page Inside back page National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy
11、Committee and is the English language veision of EN 2925 : 1994 Aerospace ser-es - Bolts, double hexagon head, relieued shank, long thread, in heat resisting steel FE-PA92HT (A286) Classgicntion: 900 MPu (ut ambient tetnperature)/650 OC, published by the European Committee for Standardization (CEN)
12、. EN 2925 : 1994 was produced as a result of international discussions in which the United Kingdom took an active part. Compliance with a British Standard does not of itself confer immunity from legal obligations. i Copyright European Committee for Standardization Provided by IHS under license with
13、CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. CEN ENs2925 94 3404589 0072072 447 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2925 August 1994 UDC: 621.882.214-O34.O18.44: 629.7 Descriptors: Aircraft industry, fastener, screw, double hexagonal head s
14、crew, heat resistant steel, classification, Characteristic, dimension, screw thread, code, designation, marking English version Aerospace series Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286) Classification : 900 MPa (at ambient temperature)/650 OC
15、Srie arospatiale Luft- und Raumfahrt Vis tte bihexagonale, ft c,$ag, Zwlfkantschrauben, DnnsclLaft, langes filetage long, en acier rsistant chaud Gewinde, aus hochwarmfestem Stahl FE-PA92HT (A286) FE-PA92HT (A286) Klasse : 900 MPa (bei Classification : 900 MPa ( temprature Raumtemperatur)/650 OC amb
16、iante)/650 OC This European Standard was approved by CEN on 1994-08-17. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliograph
17、ical 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 translation under the responsibility of a CEN
18、 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, Luxembourg, Netherlands, Norway, Portugal, Spain,
19、 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 O 1994 Copyright reserved to CEN members - Ref. No. EN 2925 : 1994 E Previous page is blank Copy
20、right European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- CEN EN*i!925 94 3404589 O072073 383 Page 2 EN 2925 : 1994 Foreword This European Standard has been prepared by the European Associati
21、on of Aerospace 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 CE
22、N. This standard was submitted for Formal Vote, and the result 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 latest by February 1995, and conflicting national standards shall be withdrawn at
23、 the latest by February 1995. According to the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switz
24、erland and United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 3 EN 2925 : 1994 1 Scope This standard specifies the characteristics of double hexagon headed bolt
25、s with relieved shank and long thread, in FE-PA92HT. for aerospace applications. Classification : 900 MPa / 650 OC 2, 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate p
26、laces 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 amendment or revision. For undated references the latest edition of the publication re
27、ferred to applies. IS0 3353 IS0 4095 IS0 5855-2 EN 2399 EN 2424 EN 2576 EN 3639 Aerospace - Rolled threads for bolts - Lead and runout requirements Fasteners for aerospace construction - Bi-hexagonal wrenching configuration Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts Heat r
28、esisting steel FE-PA92-HT - R, 2 900 MPa - Bars for forged bolts - D 25 mm - Aerospace series 3, Aerospace series - Marking of aerospace products 3, Aerospace series - Bolts in heat resisting steel FE-PA92HT (A2861 - Classification : 900 MPa / 650 OC - Technical specification 4, Aerospace series - H
29、eat resisting alloy FE-PA2601 - Softened and cold worked - Wire for forged fasteners - D S 15 mm - 900 MPa S R, 5 1 1 O0 MPa 4, 3 Required characteristics 3.1 See figure 1 and tables 1 and 2. Dimensions and tolerances are in millimetres. 3.2 Materials EN 2399 or EN 3639 Configuration - Dimensions -
30、Tolerances - Masses 1 i Minimum tensile strength of the material at ambient temperature 2) Maximum test temperature of the pans 3) Published as AECMA Standard at the date of publication of this standard 4) Published as AECMA Prestandard at the date of publication of this standard Copyright European
31、Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN EN*2925 99 3YOY589 0072075 156 Page 4 EN2925: 1994 3,2 J (d 0,0 0,8 J O dF) 0 0,s Remove sharp edges 0,l to O,4 f -Pitch diameter Thread f 1 L.Cm
32、form to liA1 Is0 3353 / I1 Shape in this area at tnanufachirers option Marking 7 1) When the length of the shank is less than one times the nominal value of the shank diameter O, the run-out is measured at a distance equal to half the actual shank length. 2) For bolts having a shank length less than
33、 one times the nominal value of the shank diameter D, and for those threaded to head, the pitch diameter axis shall be used as the datum. Figure 1 Table 1 11 In accordance with IS0 5855-2 21 Bihexegond wrenching configuration in conformity with IS0 4095 over length T min. I Copyright European Commit
34、tee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. _._ -_. CEN EN*2725 74 3404589 0072076 O72 m Page 5 EN 2925 : 1994 i O (o O -. (v X p 5 tt- (D N Copyright European Committee for Standardization Provide
35、d by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN EN*2925 94 E 3404589 0072077 T29 W Page 6 EN 2925 : 1994 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or netwo
36、rking permitted without license from IHS-,-,-. - . -_ _ I- CEN EN*2925 94 3404589 0072078 965 Page 7 EN 2925 : 1994 4 Designation EXAMPLE : Description block Identity block Number of this standard Thread code (see table 11 Length code (see table 2) NOTE : If necessary, the code 19005 shall be placed
37、 between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on figure 1. 6 Technical specification EN 2576 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license
38、from IHS-,-,-c i CEN EN*Z925 94 340Y589 0072079 BT1 H BS EN 2925 : 1994 National annex NA (informative) Committees responsible The United Kingdom participation in the preparation of this European Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/12
39、, upon which the following bodies were represented: Association of Electronics, Telecommunications and Business Equipment Industries British Industrial Fasteners Federation Ministry of Defence Society of British Aerospace Companies Ltd. National annex NB (informative) Cross-references The British St
40、andards corresponding to the international standards referred to in the text aie as follows. International standard Corresponding British Standard IS0 3353 : 1992 IS0 5855-2 : 1988 BS 2A 231 : 1993 Rolled threads for bolts - Lead and mmt requirements BS 6293 MJ threads fw aerospace construction Part
41、 2 : 1982 Specification for dimensions fw bolts and nuts Previous page is blank Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 2925 : 1994 BSI 389 Chiswick High Road Londo
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