EN 3034-2009 en Aerospace series - Nuts self-locking hexagonal with captive washer - In heat resisting steel FE-PA92HT (A286) silver coated - Classification 1 100 MPa 425 (Incorpor.pdf

1、BSEN3034:2009ICS49.030.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBY COPYRIGHTLAWBRITISHSTANDARDAerospaceseriesNuts,self-locking,hexagonalwithcaptivewasherInheatresistingsteelFE-PA92HT(A286),silvercoatedClassification:1100MPa/425CIncorporatingcorrigendumOctober 2011 National forewordThis Britis

2、h Standard is the UK implementation of EN 3034:2009, incorporating corrigendum October 2011.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request t

3、o its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN 3034:2009This British Standardwas published under theautho

4、rity of the StandardsPolicy and StrategyCommittee on 31 March2009 BSI 2011ISBN 978 0 580 76885 9Amendments/corrigenda issued since publicationDate Comments30 November 2011 Implementation of CEN corrigendum October 2011: replacement of standard reference in clause 6 EUROPEAN STANDARD NORME EUROPENNE

5、EUROPISCHE NORMEN 3034 February2009 ICS 49.030.30English Version Aerospace series - Nuts, self-locking, hexagonal with captive washer - In heat resisting steel FE-PA92HT (A286), silver coated - Classification: 1 100 MPa/425 C Srie arospatiale - crou hexagonaux avec rondellecaptive auto-freinant, en

6、acier rsistant chaud FE-PA92HT (A286), argent - Classification: 1 100 MPa/425 CLuft- und Raumfahrt - Sechskantmuttern, selbstsichernd mit Brdelscheibe - Aus hochwarmfes tem Stahl FE-PA92HT (A286), versilbert - Klasse: 1 100 MPa/425 CThis European Standard was approved by CEN on 2 August 2008.CEN mem

7、bers 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 alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on applicati

8、on to the CEN Management Centre 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 member into its own language and notified to the CEN Management Centre has th

9、e same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal

10、,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN A ll rights of exploitation in any form and by any means reserv

11、ed worldwide for CEN national Members.Ref. No. EN 3034:2009: EIncorporating corrigendum October 20112 Contents PageForeword 31 Scope42 Normative references43 Required characteristics.43.1Configuration Dimensions- Tolerances .43.2 Material .43.3 Surface treatment 54 Designation 75 Marking .76 Technic

12、al specification.8BS EN 3034:2009 EN 3034:2009 (E)3 Foreword This document (EN 3034:2009) has been pre pared bythe Aerospace and Defence Industries Association ofEurope - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rulesofthis Association, this Standardha

13、s received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN.This European Standard shall be given the status ofa national standard, either by publication of an identical text or byendorsement, at the latest by August

14、 2009, and conflicting national standards shall be withdrawn at the latest by August 2009.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any orall such patent right

15、s. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, CzechRepublic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,

16、 Latvia,Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, S lovakia, Slovenia, Spain, Sweden, Switzerland and the UnitedKingdom. BS EN 3034:2009 EN 3034:2009 (E)4 1 ScopeThis standard specifies the dimensions of self-locking, silver coated hexagonal nuts with captive wash

17、er and MJ-thread in heat resisting steel FE-PA 92 HT (A286) for aerospace applications. Maximum test temperature of the parts is 425 C.2 NormativereferencesEN 2399 Aerospace series - Heat resisting steel FE-PA2601 (X4NiCrTiMoV26-15) - Rm 900 MPa - Barsfor forged bolts - D 25 mmEN 2424 Aerospace seri

18、es Mark ing of aerospace productsEN 2516 Aerospace series Passivation of corrosion resistant steels and decontamination of nickelbase alloysEN 2786 Aerospace series Electrolytic silver plating of fastenersEN 3152 Aerospace series Nuts, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A28

19、6), silver plated or uncoated Classification: 1 100 MPa (at ambient temperature) / 425 C Technical specificationEN 3638 Aerospace series Heat resisting alloy FE-PA2601(X6NiCrTiMoV26-15) Consumable electrode remelted Solution and precipitation treated Sheet, strip and plate 0,5 m m a 10 mmEN 3639 Aer

20、ospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire forforged fasteners D 15mm 900 MPa Rm 1 100 MPa 1ISO 5855-1Aerospace MJ threads Part 1: General requirements ISO 5855-2Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts3 Required characteristics3.1Configuration

21、 Dimensions- TolerancesConfiguration shall be in accordance with the figure; dimensions, tolerances and masses shall conform to the figure and the table. Details of form, not stated areat the manufacturers option. Dimensions apply aftercoating. 3.2 MaterialNut: Heat resisting steel FE-PA 92 HT accor

22、ding to EN 2399, EN 3638 or EN 3639.Washer: Heat resisting steel FE-PA 92 HT according to EN 3638 or steel FE-PA 15.1 Published as ASD Prestandard at the date of publication of this standard.BS EN 3034:2009 EN 3034:2009 (E)5 3.3 Surface treatmentNut: Silver coat to EN 2786, coating thickness 5 m to

23、15 m.On nuts MJ6 and larger, the coating thickness shall not be less than 5 m, measured at the pitch diameter.Nuts MJ 5 and smaller shall show complete coating coverage on the threads.Washer:Passivated to EN 2516.BS EN 3034:2009 EN 3034:2009 (E)6 Key 1 Washer shall be free to rotate on the nut2 Form

24、 out of round in this area to achieve the self-locking torque requirements, tool marks acceptable3 Pitch-diameter4 Thread 5 Chamfer, radius orbroken edge6 Marking in these areas permissible (2 x)7 These values are to be applied before silver coating. Threads surface will be achieved by normal method

25、s of manufacture8 Remove sharp edges to 0,1 mm to 0,4 mm9 Bearing surface maybe flat to concave, but shall not be convexFigure 1 Configuration1 27 6 6 5 8 9 3 4 BS EN 3034:2009 EN 3034:2009 (E)7 Table 1 Dimensions and massesThreada E min.F b G max.H max.K min.L max.M min.N c min.y z d mass kg/1 000

26、part approx.Code Designation Tol030 MJ3 x 0,5 4H6H 4,2 4 h 127,23,4 5,2 3,80,4 1,2 0,1 0,20,35040 MJ4 x 0,7 4H6H 5,3 5 8,6 4,4 6,4 4,8 0,4 1,5 0,1 0,2 0,60050 MJ5 x 0,8 4H6H 6,5 6 10,9 5,6 7,6 5,8 0,4 2 0,1 0,4 0,91060 MJ6 x 1,0 4H5H 7,6 7 12,4 6,0 96,8 0,4 2,3 0,1 0,4 1,18070 MJ7 x 1,0 4H5H 8,7 8 1

27、3,9 6,9 11 80,4 2,7 0,1 0,4 1,77080 MJ8 x 1,0 4H5H 10,9 10h 1315,4 7,81290,4 3,2 0,13 0,4 3,43100 MJ10 x 1,25 4H5H13,2 12 18,6 9,6 14,7 11 0,4 3,8 0,13 0,4 5,20120 MJ12 x 1,25 4H5H15,5 14 21,7 11,4 18,5 13 0,4 4,5 0,15 0,4 10,70a Thread in conformitywithISO 5855 part 1 and part 2. In the self-lockin

28、g zone, the tolerances apply before forming out-of-round.b Across flats dimensions applybefore forming out-of-round, but finished nuts shall fit a standard socket wrench.c Wrench pad engagement.d These values applybefore forming out-of-round.4 DesignationEach hexagonal nut shall only be designated a

29、s in the following example: Description blockIdentity blockNUT EN 3034 - 050Number of EN StandardThread code (see Table 1)NOTE If necessary, the design code I 9005 may be introduced between the description block and the identity block.5 MarkingEach hexagonal nut shall be marked in accordance to EN 2

30、424, class F.BS EN 3034:2009 EN 3034:2009 (E)8 6 Technical specification The hexagonal nuts shall conform to the requirements of EN 3152.BS EN 3034:2009 EN 3034:2009 (E)This page has been intentionally left blank BSI GroupHeadquarters 389 Chiswick High Road, London, W4 4AL, UK Tel +44 (0)20 8996 900

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