BS EN 4116-2004 Aerospace series - Nuts hexagonal self-locking in heat resisting steel FE-PA2601 (A286) silver plated on thread - Classification - 1 100 MPa (at ambient temperature.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 4116:2004 Nuts, hexagonal, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread Classification: 1 100 MPa (at ambient temperature) / 425 C The European Standard EN 4116:2004 has the status of a British Standard ICS 49.030.30 BS EN 41

2、16:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 16 December 2004 BSI 16 December 2004 ISBN 0 580 45106 2 National foreword This British Standard is the official English language version of EN 4116:2004. It supersedes BS EN 4116:2003 w

3、hich is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The

4、British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards

5、 Online. 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 does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the resp

6、onsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front co

7、ver, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4116 November

8、2004 ICS 49.030.30 Supersedes EN 4116:2003 English version Aerospace series - Nuts, hexagonal, self-locking, in heat resisting steel FE-PA2601 (A286), silver plated on thread - Classification: 1 100 MPa (at ambient temperature) / 425 C Srie arospatiale - crous hexagonaux, freinage interne, en acier

9、rsistant chaud FE-PA2601 (A286), argents sur filetage - Classification : 1 100 MPa ( temprature ambiante ) / 425 C Luft- und Raumfahrt - Sechskantmuttern, selbstsichernd, aus hochwarmfestem Stahl FE-PA2601 (A286), Gewinde versilbert - Klasse: 1 100 MPa (bei Raumtemperatur) / 425 C This European Stan

10、dard was approved by CEN on 11 September 2003. 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 alteration. Up-to-date lists and bibliographical references concerni

11、ng 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 member into its own lan

12、guage and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg,

13、Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CEN All rights of exploita

14、tion in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4116:2004: E EN 4116:2004 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 4 Designation 6 5 Marking .6 6 Technical specification .6 EN 4116:2004 (E) 3 Foreword Thi

15、s document (EN 4116:2004) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Offi

16、cial 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 May 2005, and conflicting national standards shall be withdrawn at

17、 the latest by May 2005. This document supersedes EN 4116:2003. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, Franc

18、e, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4116:2004 (E) 4 1 Scope This standard specifies the characteristics of self-locking hexagonal n

19、uts in FE-PA2601, silver plated on thread, for aerospace applications. Classification: 1 100 MPa 1)/ 425 C 2)2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references,

20、 the latest edition of the referenced document (including any amendments) applies. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 7995, Aerospace Nuts, hexagon, self-locking, with MJ threads, classifications: 1 100 MPa (at ambient temperature) / 235 C, 1 100 MPa (at

21、 ambient temperature) / 315 C, 1 100 MPa (at ambient temperature) / 425 C Dimensions EN 2399, Heat resisting steel FE-PA92-HT R m 900 MPa Bar for forged bolts D 25 mm Aerospace series 3) EN 2424, Aerospace series Marking of aerospace products EN 2786, Aerospace series Electrolytic silver plating of

22、fasteners 4)EN 3152, Aerospace series Nuts, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286), silver plated or uncoated Classification: 1 100 MPa (at ambient temperature) / 425 C Technical specification EN 3638, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Con

23、sumable electrode remelted Solution and precipitation treated Sheet, strip and plate 0,5 mm a 10 mm 4)EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fasteners D 15 mm 900 MPa R m 1 100 MPa 4) 3 Required characteristics 3.1 Configuration Dimensions T

24、olerances Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres and are in accordance with ISO 7995. They apply after silver plating for thread surface. 3.2 Materials EN 2399, EN 3638 or EN 3639 3.3 Surface treatment EN 2786 on thread and chamfers Thickness: thread MJ6: 5 m m

25、in. on thread flanks; thread MJ5: shall show complete coverage, without thickness requirement; chamfers: shall show complete coverage, without thickness requirement. 1) Correspond to the minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking whe

26、n tested with a bolt of a higher strength class. 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 date of publication of this standard EN 4116:2004 (E) 5 Key 1 values applicable before silver

27、plating. Thread surface will be as achieved by normal methods of manufacture 2 remove sharp edges 0,1 to 0,4. 3 form out-of-round in this area to achieve the self-locking requirement (tooling marks permissible). 4 pitch diameter 5 thread 6 chamfer, radius or broken edge 7 not convex 8 marking Detail

28、s of form not stated are left to the manufacturers discretion. aAll forms of entry (radius or chamfer) are permissible within these limiting dimensions. Figure 1 Table 1 ThreadaE F bG H K M N cQ W Y ZdMass kg/1 000 parts Code Designation min. nom. Tol. max. max. min. min. min. max. min. 030 MJ30,5-4

29、H6H 4,2 4 6 3 5,3 0,4 1,2 3,8 3,2 0,28 040 MJ40,7-4H6H 5,3 5 7,4 4 6,7 0,5 1,5 4,8 4,2 0,50 050 MJ50,8-4H6H 6,5 6 9,1 5 8,3 0,6 2 5,8 5,2 0,2 0,80 060 MJ61-4H5H 7,6 7 10,6 5,4 9,8 0,7 2,3 7,1 6,3 1,15 070 MJ71-4H5H 8,7 8 h12 12,1 6,3 11,3 0,8 2,7 8,1 7,31,70 080 MJ81-4H5H 10,9 10 13,6 7,2 12,8 0,9 3

30、,2 9,1 8,3 0,2 0,1 3,15 100 MJ101,25-4H5H 13,2 12 16,8 9 15,8 1,1 3,8 11,1 10,3 4,75 120 MJ121,25-4H5H 15,5 14 h13 19,9 10,8 18,8 1,4 4,5 13,1 12,3 0,3 0,13 0,4 10 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. bApplicable before forming o

31、ut-of-round, but finished nuts shall fit a standard socket wrench. cWrench pad engagement dValues apply before forming out-of-round. EN 4116:2004 (E) 6 4 Designation EXAMPLE Description block NUT Identity block EN4116-050 Number of this standard Thread code (see Table 1) NOTE If necessary, the code

32、I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, as indicated on Figure 1 and Table 2. Table 2 Thread code Style 030 and 040 N 050 to 120 C 6 Technical specification EN 3152 blankBS EN 4116:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standa

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