EN 2925-1994 en Bolts Double Hexagon Head Relieved Shank Long Thread in Heat Resisting Steel FE-PA92HT (A286) Classification 900MPa (at Ambient Temperature) 650 Degrees C《FE-PA92H.pdf

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 , BS EN 2925 : 1994 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following coun

4、tries: Austria Belgium Denmark Finland France Germany Greece Iceland Ireland Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland United Kingdom Oesterreichisches Normungsinstitut Institut belge de normalisation Dansk Standardiseringsraad Suomen Standardisoimisliito, r. y. Associati

5、on francaise de normalisation Deutsches Institut fr Normung e.V. Hellenic Organization for Standardization Rchnological Institute of Iceland National Standards Authority of Ireland Ente Nazionale Italiano di Unificazione Inspection du Travail et des Mines Nederlands Normalisatie-instituut Norges Sta

6、ndardiseringsforbund Instituto Portugus da Qualidade Asociacin Espaola de Normalizacin y Certificacin Standardiseringskommissionen i Sverige Association suisse de normalisation British Standards Institution This British Standard, having been prepared under the direction of the Aerospace Standards Po

7、licy Committee, was published under the authority of the Standards Amendments issued since publication Board and comes into effect 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 8

8、8/76308 DC ISBN O 680 22616 8 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 Designation 7 5 Marking 7 6 Technical specif

9、ication 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 Committee and is the English language ve

10、ision 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) . EN 2925 : 1994 was produced as a resul

11、t 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 . CEN ENs2925 94 3404589 0072072 447 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2925 August 1994 UDC: 621.882.214-

12、O34.O18.44: 629.7 Descriptors: Aircraft industry, fastener, screw, double hexagonal head screw, 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

13、resisting steel FE-PA92HT (A286) Classification : 900 MPa (at ambient temperature)/650 OC 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 (A2

14、86) Klasse : 900 MPa (bei Classification : 900 MPa ( temprature Raumtemperatur)/650 OC ambiante)/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

15、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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, Germ

16、an). A version in any other 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, G

17、ermany, Greece, Iceland, Ireland, Italy, Luxembourg, 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 O 1994

18、 Copyright reserved to CEN members - Ref. No. EN 2925 : 1994 E Previous page is blank - CEN EN*i!925 94 3404589 O072073 383 Page 2 EN 2925 : 1994 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in

19、 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 standard was submitted for Formal Vote, and the result was positive. Th

20、is 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 the latest by February 1995. According to the CENKENELEC Internal Regulations,

21、 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, Switzerland and United Kingdom. Page 3 EN 2925 : 1994 1 Scope This standard specifie

22、s the characteristics of double hexagon headed bolts 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

23、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 amendment or revision. For undated

24、references the latest edition of the publication referred 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 -

25、Part 2 : Limit dimensions for bolts and nuts Heat resisting 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 O

26、C - Technical specification 4, Aerospace series - Heat 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 Materia

27、ls EN 2399 or EN 3639 Configuration - Dimensions - 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

28、of publication of this standard 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.Cmform to liA1 Is0 3353 / I1 Shape in this area at tnanufachirers option Marking 7 1) When the length of the shank is les

29、s 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 one times the nominal value of the shank diameter D, and for those threaded to head, the pitch diameter axis shall be

30、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 . _._ -_. CEN EN*2725 74 3404589 0072076 O72 m Page 5 EN 2925 : 1994 i O (o O -. (v X p 5 tt- (D N CEN EN*2925 94 E 3404589 0072077 T29 W Page 6

31、 EN 2925 : 1994 . - . -_ _ 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 between the description bloc

32、k and the identity block. 5 Marking EN 2424, style A, as indicated on figure 1. 6 Technical specification EN 2576 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 Sta

33、ndard 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 Fasteners Federation Ministry of Defence Societ

34、y of British Aerospace Companies Ltd. National annex NB (informative) Cross-references The British Standards 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 R

35、olled threads for bolts - Lead and mmt requirements BS 6293 MJ threads fw aerospace construction Part 2 : 1982 Specification for dimensions fw bolts and nuts Previous page is blank BS EN 2925 : 1994 BSI 389 Chiswick High Road London W4 4AL 9411 - 4 - 0.35k - FP CEN EN*E!725 94 W 3404587 0072080 513

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