1、BRITISH STANDARD AEROSPACE SERIESBS EN4311:2006Studs, coarse tolerance reduced shank, medium length threads, in heat and corrosion resisting steel, MoS2 lubricated Classification: 1 100 MPa (at ambient temperature) / 315 CThe European Standard EN 4311:2006 has the status of a British StandardICS 49.
2、030.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSIBS EN 431
3、1:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 48530 7National forewordThis British Standard is the official English language version of EN 4311:2006. The UK participation in its preparation was entruste
4、d 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-referencesThe British Standards which implement international or European publications
5、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 Online.This publication does not purport to include all the necessary pr
6、ovisions 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 responsible international/European committee any enquiries on the interpretati
7、on, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 8, an inside back cover and a back cover.The
8、BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4311 June 200
9、6 ICS 49.030.20 English Version Aerospace series - Studs, coarse tolerance reduced shank, medium length threads, in heat and corrosion resisting steel, MoS2 lubricated - Classification : 1 100 MPa (at ambient temperature) / 315 C Srie arospatiale - Goujons, tige rduite tolrance large, filetage moyen
10、, en acier rsistant chaud et la corrosion, lubrifis MoS2 - Classification : 1 100 MPa ( temprature ambiante) / 315 C Luft- und Raumfahrt - Stift-Dehnschrauben, mit mittlerer Gewindelnge, aus korrosionsbestndigem und hochwarmfestem Stahl, MoS2-geschmiert - Klasse : 1 100 MPa (bei Raumtemperatur) / 31
11、5 C This European Standard was approved by CEN on 6 February 2006. 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
12、 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 mem
13、ber 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, Lit
14、huania, Luxembourg, Malta, Netherlands, 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: rue de Stassart, 36 B-1050 Brussels 20
15、06 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4311:2006: ELicensed Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteris
16、tics.5 4 Designation 8 5 Marking .8 6 Technical specification .8 EN 4311:2006Licensed Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSI3 Foreword This European Standard (EN 4311:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardizatio
17、n (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 Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be g
18、iven the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2006, and conflicting national standards shall be withdrawn at the latest by December 2006. Attention is drawn to the possibility that some of the elements of this document
19、 may be the subject of patent rights. CEN 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: Aust
20、ria, Belgium, Cyprus, Czech Republic, 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. EN 4311:2006License
21、d Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies the characteristics of studs, coarse tolerance reduced shank, medium length threads, in heat and corrosion resisting steel, MoS2lubricated. Classification: 1 100 MPa 1) / 315 C 2)The shank
22、 is reduced for better tension fatigue strength life. 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, the latest edition of the referenced document (includi
23、ng 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. ISO 7913, Aerospace Bolts and screws, metric Tolerances of form and position. ISO 8168, Aerospace Corrosion- and he
24、at-resisting steel bolts with strength classification 1 100 MPa and MJ threads Procurement specification. EN 2424, Aerospace series Marking of aerospace products. EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods. EN 9100, Aerospace series Quality management systems Requ
25、irements (based on ISO 9001:2000) and Quality systems Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994). TR 3775, Aerospace series Bolts and pins Materials.3)TR 4070, Aerospace series Molybdenum disulphide coatings List of commercial
26、products.3)1) Minimum tensile strength of the material at ambient temperature. 2) Maximum temperature that the stud can withstand without continuous change in its original characteristics, after return to ambient temperature. The maximum temperature is determined by the coating. 3) Published as AECM
27、A Technical Report at the date of publication of this standard. EN 4311:2006Licensed Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSI5 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Tables 1 and 2. Dimensions and tolerances are expressed i
28、n millimetres and apply before lubricating. 3.2 Tolerances of form and position See ISO 7913. 3.3 Materials See TR 3775 (heat and corrosion steel, strength class: 1 100 MPa). 3.4 Surface treatment Lubrication: lubricant: see TR 4070; application: EN 2491: 5 m to 10 m. EN 4311:2006Licensed Copy: Wang
29、 Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSI6 Values in micrometres apply prior to surface treatment. Break sharp edges 0,1 to 0,4. Key 1 Thread 2 Conforms to ISO 3353-1 3 One hole diameter D3(optional) 4 Marking aShape in this area at manufacturers option Figure 1 Table 1 Thre
30、ad a D1D2b D3L1L3L4Diameter code h12 h12 H13 min. + 0,3 0 050 MJ50,8 4h6h 5 1 7,5 12 L2 2,5 060 MJ61 4h6h 6 4,6 1,4 9 14 L2 3 080 MJ81 4h6h 8 6 1,8 12 18 L2 3,5 100 MJ101,25 4h6h 10 7,5 15 20 L2 4 120 MJ121,25 4h6h 12 9,2 2,3 18 22 L2 4,5 aIn accordance with ISO 5855-2 bFor MJ5 and lengths above the
31、 bold line of Table 2: D2= D13,2 1,6 EN 4311:2006Licensed Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSI7 Table 2 Diameter code 050 060 080 100 120 Length Mass a Mass aMass aMass aMass aCode L2018 18 3,6 020 20 3,9 5,8 022 22 4,2 6,3 12,3 024 24 4,7 6,9 13,5 23 028 28 5
32、,1 7,6 14,7 25 030 30 5,4 8,1 15,5 26 41 035 35 6,1 9,2 17,4 29 45 040 40 6,9 10,3 19 32 49 045 45 7,7 11,4 20 26 54 050 50 8,4 12,5 21 28 48 055 55 9,2 13,5 22 30 51 060 60 10 14,6 23 31 53 065 65 10,7 15,7 24 33 56 070 70 11,5 16,8 25 35 58 075 75 12,3 17,9 26 37 61 080 80 13,1 19 27 39 63 085 85
33、20,1 28 40 66 090 90 21,2 29 42 68 095 95 30 44 71 100 100 31 46 73 105 105 32 48 76 110 110 33 50 79 aApproximate values (kg/1 000 pieces), calculated on the basis of 7,85 kg/dm3, given for information purposes only. They apply to studs without holes. EN 4311:2006Licensed Copy: Wang Bin, na, Thu Au
34、g 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSI8 4 Designation EXAMPLE Description block STUD Identity block EN4311D050040F Number of this standard Hole code (see Table 3) Diameter code (see Table 1) Length code (see Table 2) Lubricant code (see 3.4) NOTE If necessary, the code I9005 shall be pla
35、ced between the description block and the identity block. Table 3 Hole Code with D without (hyphen) 5 Marking EN 2424, style C plus MJ, indented and Figure 1. 6 Technical specification ISO 8168, except for clauses: Approval of manufacturers: see EN 9100; Qualification of studs: not applicable. EN 43
36、11:2006Licensed Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, na, Thu Aug 24 02:22:55 BST 2006, Uncontrolled Copy, (c) BSIBS EN 4311:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national b
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