1、BRITISH STANDARD AEROSPACE SERIES BS EN 4323:2004 Screws, 100 countersunk head, six lobe recess, threaded to head, in titanium alloy TI-P64001, anodized, MoS 2coated Classification: 900 MPa (at ambient temperature) / 350 C The European Standard EN 4323:2004 has the status of a British Standard ICS 4
2、9.030.20 Licensed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSIBS EN 4323:2004 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 15 December 2004 BSI 15 December 2004 ISBN 0 580 45093 7 National foreword This Bri
3、tish Standard is the official English language version of EN 4323:2004. It supersedes BS EN 4323:2003 which is withdrawn.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 organiz
4、ations represented on this committee can be obtained on request to its secretary. Cross-references The 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 Correspon
5、dence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards 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 i
6、tself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments an
7、d promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 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.
8、Date Comments Licensed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4323 November 2004 ICS 49.030.20 Supersedes EN 4323:2003 English version Aerospace series - Screws, 100 countersunk head, six lobe recess, threaded
9、 to head, in titanium alloy TI-P64001, anodized, MoS2 coated - Classification: 900 MPa (at ambient temperature) / 350 C Srie arospatiale - Vis tte fraise 100 , empreinte six lobes, filetes sous tte, en alliage de titane TI-P64001, anodises, revtues MoS2 - Classification : 900 MPa ( temprature ambian
10、te) / 350 C Luft- und Raumfahrt 100 Senkschrauben, Sechs- Bogenzahn, Gewinde bis Kopf, aus Titanlegierung TI- P64001, anodisiert, MoS2 beschichtet - Klasse: 900 MPa (bei Raumtemperatur) / 350 C This European Standard was approved by CEN on 11 September 2003. CEN members are bound to comply with the
11、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 standards may be obtained on application to the Central Secretariat or
12、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 Central Secretariat has the same status as the official versio
13、ns. 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, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzer
14、land 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 exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No.
15、EN 4323:2004: E Licensed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSI EN 4323:2004 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 3.1 Configuration Dimensions Tolerances Masses 4 3.2 Materials .4 3.3 Surface treatment 4 4
16、 Designation 7 5 Marking .7 6 Technical specifications .7 Licensed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSI EN 4323:2004 (E) 3 Foreword This document (EN 4323:2004) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-S
17、TAN). 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 Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the s
18、tatus 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 the latest by May 2005. This document supersedes EN 4323:2003. According to the CEN/CENELEC Internal Regulations, the nation
19、al standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Port
20、ugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSI EN 4323:2004 (E) 4 1 Scope This standard specifies the characteristics of screws with 100 countersunk head with six lobe recess, threaded to
21、head, in TI-P64001, anodized, MoS 2coated, for aerospace applications. Classification: 900 MPa 1)/ 350 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, t
22、he latest edition of the referenced document (including any amendments) applies. 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 EN 2424, Aerospace series Marking of aerospace products EN 2491,
23、 Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 3813, Aerospace series Titanium alloy TI-P64001 Annealed Bar and wire for forged fasteners D e 25 mm 3)EN 3818, Aerospace series Bolts, MJ threads, in titanium alloy TI-P64001 Strength class: 1 100 MPa (at ambient temperature)
24、 Technical specification EN 3905, Aerospace series Six lobe recess for bolts Technical specification 3)EN 3911, Aerospace series Six lobe recess Geometrical definition 3)3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Tables 1 and 2. Dimensions and toleranc
25、es are in millimetres. They apply after anodizing but before MoS 2coating. 3.2 Materials EN 3813 3.3 Surface treatment EN 2491 1) Minimum tensile strength of the material at ambient temperature is 1 100 MPa but taking account of the recess geometry, the strength class to be used for the seating torq
26、ue calculation shall not be greater than 900 MPa. 2) Maximum test temperature of the parts 3) Published as AECMA Prestandard at the date of publication of this standard Licensed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSI EN 4323:2004 (E) 5 Key 1 rolled 2 values appl
27、y after anodizing before MoS 2 coating. 3 remove sharp edges 0,1 to 0,4. 4 not concave 5 conforms to ISO 3353-1. 6 pitch diameter 7 thread 8 six lobe recess to EN 3911 9 marking Figure 1 Table 1 Thread aD E bF G H K P Q R T W Recess Code Designation 0,13 min. min. 0 0,08 nom. Tol. max. min. nom. Tol
28、. max. min. 030 MJ30,5-4h6h 2,68 6 5,4 4,5 1,4 0,06 0,63 2,3 0,8 2,4 2,15EN3911-10 040 MJ40,7-4h6h 3,55 8 7,2 5,78 1,87 0,08 0,93 3 0 0,5 0,4 0,2 1 + 0,1 0 3,27 2,92 EN3911-25 050 MJ50,8-4h6h 4,48 10 9 7,71 2,38 0,96 3,4 0,5 0,3 1,1 3,98 3,58 EN3911-27 060 MJ61-4h6h 5,35 12 10,8 9 2,81 1,26 4,2 5,1
29、4,6 EN3911-30 070 MJ71-4h6h 6,35 14 12,8 10,28 3,23 0,1 1,57 5,2 0,5 0,7 0,5 1,5 + 0,15 0 5,5 5 EN3911-40 a In accordance with ISO 5855-2 b Corresponds to maximum condition Licensed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSI EN 4323:2004 (E) 6 Table 2 N Thread code
30、Length code 0,3 030 Mass a040 Mass a050 Mass a060 Mass a070 Mass a006 6 0,22 0,33 008 8 0,33 0,53 0,69 010 10 0,44 0,73 1,02 1,34 1,94 012 12 0,55 0,93 1,35 1,78 2,54 014 14 0,66 1,13 1,68 2,22 3,14 016 16 0,77 1,33 2,01 2,66 3,74 018 18 0,88 1,53 2,34 3,10 4,34 020 20 0,99 1,73 2,67 3,54 4,94 022 2
31、2 1,10 1,93 3,00 3,98 5,54 024 24 1,21 2,13 3,33 4,42 6,14 026 26 1,32 2,33 3,66 4,86 6,74 028 28 1,43 2,53 3,99 5,30 7,34 030 30 1,54 2,73 4,32 5,74 7,94 032 32 1,65 2,93 4,65 6,18 8,54 034 34 1,76 3,13 4,98 6,62 9,14 036 36 1,87 3,33 5,31 7,06 9,74 038 38 1,98 3,53 5,64 7,50 10,34 040 40 2,09 3,73
32、 5,97 7,94 10,94 042 42 2,20 3,93 6,30 8,38 11,54 044 44 4,13 6,63 8,82 12,14 046 46 4,33 6,96 9,26 12,74 048 48 4,53 7,29 9,70 13,34 050 50 4,73 7,62 10,14 13,94 052 52 4,93 7,95 10,58 14,54 054 54 5,13 8,28 11,02 15,14 056 56 5,33 8,61 11,46 15,74 058 58 8,94 11,90 16,34 060 60 9,27 12,34 16,94 06
33、2 62 9,60 12,78 17,54 064 64 9,93 13,22 18,14 066 66 10,26 13,66 18,74 068 68 10,59 14,10 19,34 070 70 10,92 14,54 19,94 072 72 14,98 20,54 074 74 15,42 21,14 076 76 15,86 21,74 078 78 16,30 22,34 080 80 16,74 22,94 082 82 17,18 23,54 084 84 17,62 24,14 086 86 24,74 088 88 25,34 090 90 25,94 092 92
34、26,54 094 94 27,14 096 96 27,74 098 98 28,34 aMass quoted in kg/1 000 parts Licensed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSI EN 4323:2004 (E) 7 4 Designation EXAMPLE Description block BOLT Identity block EN4323-050060 Number of this standard Thread code (see Tabl
35、e 1) Length code (see Table 2) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, indicated on Figure 1 and Table 3. Table 3 Thread code Style 030 and 040 F 050 C 060 and 070 A 6 Technical specifications EN 3818 and EN 3905 Lice
36、nsed Copy: Wang Bin, na, Fri Mar 18 02:37:03 GMT 2005, Uncontrolled Copy, (c) BSIBS EN 4323:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe
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