1、BRITISH STANDARD AEROSPACE SERIES BS EN 4013:2004 Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated Classification: 1 550 MPa (at ambient temperature) / 600 C The European Standard EN 4013:2004 has the status of a British Standard ICS 49.030.30 BS E
2、N 4013:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 5 January 2005 BSI 5 January 2005 ISBN 0 580 45176 3 National foreword This British Standard is the official English language version of EN 4013:2004. It supersedes BS EN 4013:2003 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3、hich is withdrawn.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 4013 November
8、2004 ICS 49.030.30 Supersedes EN 4013:2003 English version Aerospace series - Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated - Classification: 1 550 MPa (at ambient temperature) / 600 C Srie arospatiale - crous sertir, freinage interne, en alliag
9、e rsistant chaud base de nickel NI-PH2601 (Inconel 718), argents - Classification : 1 550 MPa ( temprature ambiante ) / 600 C Luft- und Raumfahrt - Einnietmuttern, selbstsichernd, aus hochwarmfester Nickelbasislegierung NI-PH2601 (Inconel 718), versilbert - Klasse: 1 550 MPa (bei Raumtemperatur) / 6
10、00 C This European Standard 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 bibliographi
11、cal 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
12、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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
13、Lithuania, Luxembourg, 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
14、 All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4013:2004: EEN 4013:2004 (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 4013:2
15、004 (E) 3 Foreword This document (EN 4013:2004) 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 Ass
16、ociations 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 May 2005, and conflicting national standards
17、 shall be withdrawn at the latest by May 2005. This document supersedes EN 4013:2003. 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, E
18、stonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 4013:2004 (E) 4 1 Scope This standard specifies the characteristics of self-l
19、ocking, shank nuts, in NI-PH2601, silver plated, for aerospace applications. Classification: 1 550 MPa 1)/ 600 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 refer
20、ences, 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 EN 2424, Aerospace series Marking of aerospace products EN 2786, Aerospace series Electrolytic silver plating of fasteners 3)EN 2952,
21、Aerospace series Heat resisting alloy NI-PH2601 Solution treated and cold worked Bar for forged fasteners D 50 mm 1 270 MPa R m 1 550 MPa 3)EN 4047, Aerospace series Nuts, self-locking, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated Classification: 1 550 MPa (
22、at ambient temperature) / 600 C Technical specification 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres. They apply after silver plating. 3.2 Material EN 2952 3.3 Surface treatment EN 2786 Thickness: ext
23、ernal surfaces: 5 m to 15 m; thread MJ6: 5 m min., shall be measured at the pitch diameter; thread MJ5: 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 when
24、 tested with a bolt of a higher strength class. 2) Maximum test temperature of the parts 3) Published as AECMA Prestandard at the date of publication of this standard EN 4013:2004 (E) 5 Key 1 values applicable before silver plating. Thread surface will be as achieved by normal methods of manufacture
25、. 2 remove sharp edges 0,1 to 0,4 3 not convex 4 chamfer or radius 0,08 max. 5 thread 6 form out-of-round in this area to achieve the self-locking requirement (tooling marks permissible) 7 pitch diameter 8 marking in these areas but not in locking area Details of form not stated are left to the manu
26、facturers discretion. aLimit of the blend radius Figure 1 Table 1 Thread aC E H J L P S T Z Code Designation 0,1 0,25 h14 + 0,1 0 + 0,2 0 0 0,1 0,1 0,25 max. Mass kg/1 000 parts 050 MJ50,8-4H6H 7 13 7 5,2 6,5 9,5 8,5 2,78 060 MJ61-4H5H 8 14 8 6,2 1,8 7,5 10,5 2,4 9,5 3,45 070 MJ71-4H5H 9 16 9 7,2 2,
27、8 8,5 11,5 3,4 10,5 4,28 080 MJ81-4H5H 10 17 10 8,2 3,2 9,5 12,5 3,9 11,5 5,56 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. EN 4013:2004 (E) 6 4 Designation EXAMPLE Description block NUT Identity block EN4013-050 Number of this standard
28、Thread code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on Figure 1. 6 Technical specification EN 4047 blankBS EN 4013:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standard
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