1、BS EN 4635:2009ICS 49.030.20NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Screws, 100null countersunk head, six lobes recess, short thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) Classification: 1 270 MPa (at ambient tempe
2、rature) / 650 nullCThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 August2009 BSI 2009ISBN 978 0 580 56458 1Amendments/corrigenda issued since publicationDate CommentsBS EN 4635:2009National forewordThis British Standard is the UK implementati
3、on of EN 4635:2009.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 onrequest to its secretary.This publication does not purport to include all the neces
4、sary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 4635:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4635 July 2009 ICS 49.030.20 English Version Aerospace series - Screws,
5、100 countersunk head, six lobes recess, short thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) - Classification: 1 270 MPa (at ambient temperature) / 650 C Srie arospatiale - Vis, 100 tte fraise, filetage court, empreinte six lobes, en alliage rsistant chaud base de nickel NI-PH26
6、01 (Inconel 718) - Classification : 1 270 Mpa ( temprature ambiante) / 650 C Luft- und Raumfahrt 100 Senkschrauben, kurzes Gewinde, Sechs-Bogenzahn, aus hochwarmfester Nickelbasislegierung NI-PH2601 (Inconel 718) - Klasse: 1 270 MPa (bei Raumtemperatur) / 650 C This European Standard was approved by
7、 CEN on 12 March 2009. 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 concerning such national standar
8、ds may be obtained on application 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
9、the CEN Management Centre has the 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, Net
10、herlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitatio
11、n in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4635:2009: EBS EN 4635:2009EN 4635:2009 (E) Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .43.1 Configuration Dimensions Tolerances Masses .43.2 Materials .43.3 Surface treat
12、ment 43.4 Tolerances of form and position 54 Designation 65 Marking .76 Technical specification .7BS EN 4635:2009EN 4635:2009 (E) 3 Foreword This document (EN 4635:2009) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and
13、votes carried out in accordance with the rules of this Association, this Standard has 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 of a national standard
14、, either by publication of an identical text or by endorsement, at the latest by January 2010, and conflicting national standards shall be withdrawn at the latest by January 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CE
15、N and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Re
16、public, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4635:2009EN 4635:2009 (E) 4 1 Scope This st
17、andard specifies the characteristics of screws with 100 countersunk head, with six lobe recess, short thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of th
18、is document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Aerospace series Marking of aerospace products. EN 2516, Aerospace series Passivation of corrosion resisting steels an
19、d decontamination of nickel base alloys. EN 2583, Aerospace series Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) Classification : 1 275 MPa (at ambient temperature) / 650 C Technical specification. EN 2952, Aerospace series Heat resisting alloy NI-PH2601 Solution tre
20、ated and cold worked Bar for forged fasteners D 50 mm 1270 MPa Rm 1550 MPa. 1)EN 3219, Aerospace series Heat resisting nickel base alloy (Ni-P100HT) Cold worked and softened Bar and wire for continuous forging or extrusion for fasteners 3 D 30 mm. 1)EN 3911, Aerospace series Six lobe recess Geometri
21、cal definition. 1)ISO 3353-1, Aerospace Lead and runout threads Part 1: Rolled external threads. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. ISO 7913, Aerospace Bolts and screws, metric Tolerances of form and position. 3 Required characteristics 3.1 Configuration Di
22、mensions Tolerances Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres and apply after surface treatment. 3.2 Materials EN 2952, EN 3219 3.3 Surface treatment EN 2516 1) Published as ASD Prestandard at the date of publication of this standard. BS EN 4635:2009EN 4635:2009 (
23、E) 5 3.4 Tolerances of form and position ISO 7913 Values in micrometres apply prior to surface treatment. Break sharp edges 0,1 to 0,4. Key 1 Not concave 2 Pitch diameter 3 Thread 4 Conforms to ISO 3353-1 5 The rounded angle accepted 6 Six lobe recess conforms to EN 3911 7 Marking Figure 1 3,2 0,8 B
24、S EN 4635:2009EN 4635:2009 (E) 6 Table 1 Thread D E F G H K L1 0,2 L2Code Designation h12 min. 0 0,08Ref. Ref. min. Length code min. 030 MJ30,5-4h6h 3 5,6 0,63 4,50 1,3 0,06 003 to 030 3 6 040 MJ40,7-4h6h 4 7,5 0,93 5,78 1,7 0,08 003 to 040 3 7,5 050 MJ50,8-4h6h 5 9,5 0,96 7,71 2,1 0,1 004 to 050 4
25、9 060 MJ61-4h6h 6 11,5 1,26 9,00 2,6 0,1 005 to 060 5 10 080 MJ81-4h6h 8 15,4 1,60 12,21 3,4 0,1 006 to 080 6 11,5 100 MJ101,25-4h6h 10 19,3 1,93 15,43 4,2 0,1 008 to 100 8 14,5 120 MJ121,25-4h6h 12 23 2,53 18,00 5 0,1 010 to 100 10 16 Thread a P Q R V Recess code b Code Designation nom. Tol. nom. T
26、ol. max. min. mm 030 MJ30,5-4h6h 0,8 0 0,1 2,3 0 0,5 0,13 EN3911-09 040 MJ40,7-4h6h 1 2,9 0,4 0,2 EN3911-15 050 MJ50,8-4h6h 1,1 0 0,2 3,8 0,5 0,25 EN3911-20 060 MJ61-4h6h 1,5 4,5 0,5 0,3 EN3911-27 080 MJ81-4h6h 2 0 0,3 6,2 0,7 0,5 EN3911-40 100 MJ101,25-4h6h 2,3 0 0,5 7,9 0,7 0,5 EN3911-45 120 MJ121
27、,25-4h6h 2,8 9,9 0,8 0,6 EN3911-50 aConforms to ISO 5855-2. bSee EN 3911. 4 Designation EXAMPLE Description block SCREW Identity block EN4635-040003 Number of this standard Diameter code (see Table 1) Length code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description
28、 block and the identity block. BS EN 4635:2009EN 4635:2009 (E) 7 5 Marking See Table 2 and Figure 1. Table 2 Diameter code EN 2424 Style 030 to 050 F 060 to 120 C + MJ 6 Technical specification EN 2583 BS EN4635:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 900
29、1Fax +44 (0)20 8996 - British Standards InstitutionBSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at theinternational level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment o
30、r revision. Users of BritishStandards should make sure that they possess the latest amendments oreditions.It is the constant aim of BSI to improve the quality of our products and services.We would be grateful if anyone finding an inaccuracy or ambiguity while usingthis British Standard would inform
31、the Secretary of the technical committeeresponsible, the identity of which can be found on the inside front cover. Tel:+44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400.BSI offers members an individual updating service called PLUS which ensuresthat subscribers automatically receive the latest editions o
32、f standards.Buying standardsOrders for all BSI, international and foreign standards publications should beaddressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 89967001 Email: You may also buy directly using a debit/creditcard from the BSI Shop on the Website http:/ response to o
33、rders for international standards, it is BSI policy to supply theBSI implementation of those that have been published as British Standards,unless otherwise requested.Information on standardsBSI provides a wide range of information on national, European andinternational standards through its Library
34、and its Technical Help to ExportersService. Various BSI electronic information services are also available whichgive details on all its products and services. Contact Information Centre. Tel:+44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: Subscribing members of BSI are kept up to date with stand
35、ards developmentsand receive substantial discounts on the purchase price of standards. For detailsof these and other benefits contact Membership Administration. Tel: +44 (0)208996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards via British StandardsOnlin
36、e can be found at http:/ information about BSI is available on the BSI website at http:/.CopyrightCopyright subsists in all BSI publications. BSI also holds the copyright, in theUK, of the publications of the international standardization bodies. Except aspermitted under the Copyright, Designs and P
37、atents Act 1988 no extract maybe reproduced, stored in a retrieval system or transmitted in any form or by anymeans electronic, photocopying, recording or otherwise without prior writtenpermission from BSI.This does not preclude the free use, in the course of implementing the standard,of necessary d
38、etails such as symbols, and size, type or grade designations. Ifthese details are to be used for any other purpose than implementation then theprior written permission of BSI must be obtained.Details and advice can be obtained from the Copyright and Licensing Manager.Tel: +44 (0)20 8996 7070 Email:
