1、BRITISH STANDARD AEROSPACE SERIESBS EN2549:2006Bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, MoS2 lubricated Classification: 1 100 MPa (at ambient temperature) / 315 CThe European Standard EN 2549:2006 has the status of a British StandardICS 4
2、9.030.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 2549:2006This British Standard was published under the authority of the Standards Poli
3、cy and Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 48508 0National forewordThis British Standard is the official English language version of EN 2549:2006. It supersedes BS EN 2549:1995 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ACE/12, A
4、erospace fastenings 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 referred to in this document may
5、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 provisions of a contract. Users are
6、 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 interpretation, or proposals for change, and
7、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 10, a blank page and a back cover.The BSI copyright notice displayed in this d
8、ocument indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2549 May 2006 ICS 49.030.20 Supersedes EN 2549:1995 English Version Aerospace series - Bolts, normal hexagonal head, close tolerance norma
9、l shank, short thread, in titanium alloy, anodized, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature) / 315 C Srie arospatiale - Vis tte hexagonale normale, ft normal tolrance serre, filetage court, en alliage de titane, anodises, lubrifies MoS2, srie mtrique - Classification : 1
10、100 MPa ( temprature ambiante) / 315 C Luft- und Raumfahrt - Sechskant-Paschrauben, kurzes Gewinde, aus Titanlegierung, anodisiert, MoS2-geschmiert - Klasse: 1 100 MPa (bei Raumtemperatur) / 315 C This European Standard was approved by CEN on 13 January 2006. 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 versi
13、ons. 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, Romania, Slovakia, Slovenia, Spain, Swede
14、n, 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 2006 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.
15、 Ref. No. EN 2549:2006: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Required characteristics 5 4 Designation .9 5 Marking 9 6 Technical specification.10 7 Oversized bolts .10 EN 2549:20063 Foreword This European Standard (EN 2549:2006) has been prepared by the European Associa
16、tion 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 Official Services of the member countries of AECMA, prior to its presen
17、tation 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 November 2006, and conflicting national standards shall be withdrawn at the latest by November 2006. Attention is drawn to the possib
18、ility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This European Standard supersedes EN 2549:1995. According to the CEN/CENELEC Internal Regulations, the national standa
19、rds 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, Portugal, Rom
20、ania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 2549:20064 1 Scope This standard specifies the characteristics of bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, MoS2lubricated, metric series. Classification: 1 10
21、0 MPa 1) / 315 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, the latest edition of the referenced document (including any amendments) applies. ISO 319
22、3, Aerospace Bolts, normal hexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa Dimensions. ISO 3353-1, Aerospace Lead and runout threads Part 1: Rolled external threads. ISO 5855-2, Aerospace MJ thre
23、ads Part 2: Limit dimensions for bolts and nuts. ISO 7913, Aerospace Bolts and screws, metric Tolerances of form and position. ISO 9152, Aerospace Bolts, with MJ threads, in titanium alloys, strength class 1 100 MPa Procurement specification. EN 2424, Aerospace series Marking of aerospace products.
24、EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods. EN 4016, Aerospace series Oversized bolts. 3)EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) and Quality systems Model for quality assurance in design, development, production,
25、installation and servicing (based on ISO 9001:1994). EN 9133, Aerospace series Quality management systems Qualification Procedure for aerospace standard parts. TR 3775, Aerospace series Bolts and pins Materials. 4)TR 4070, Aerospace series Molybdenum disulphide coatings List of commercial products.
26、4)1) Minimum tensile strength of the material at ambient temperature. 2) Maximum temperature that the bolt can withstand without continuous change in its original characteristics, after return to ambient temperature. The maximum temperature is determined by the surface treatment. 3) Published as AEC
27、MA Prestandard at the date of publication of this standard. 4) Published as AECMA Technical Report at the date of publication of this standard. EN 2549:20065 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO
28、 3193, expressed in millimetres and apply after anodizing but before lubricating. Details of form not stated are left to the manufacturers discretion. 3.2 Tolerances of form and position ISO 7913 3.3 Materials TR 3775 (titanium alloy, strength class 1 100 MPa) 3.4 Surface treatment Lubrication: lubr
29、icant: see TR 4070; application: EN 2491: 5 m to 10 m. EN 2549:2006Values in micrometres apply prior to surface treatment. Break sharp edges 0,1 to 0,4. Key 1 Two holes diameter D6(optional) 2 Continuous surface 3 One hole diameter D7(optional) 4 Thread 5 Marking 6 Conforms to ISO 3353-1 Figure 1 3,
30、2 0,8 EN 2549:20066Table 1 D1D2D3D4 bD5D6D7E F G H Diameter code Thread af7 min. 0 0,5 min. nom. Tol. H13 H13 min. max. min. 0 0,3 030 MJ3x0,5 - 4h6h 3 5,5 5,4 2,3 6,5 0,4 2 040 MJ4x0,7 - 4h6h 4 6,4 6,4 3 0 0,5 1,1 7,6 2,5 050 MJ5x0,8 - 4h6h 5 7,4 5,25 7,4 3,4 1 8,7 3 1,35 060 MJ6x1 - 4h6h 6 9,4 6,2
31、5 9,3 4,2 1,5 10,9 3,5 1,6070 MJ7x1 - 4h6h 7 10,3 7,25 10,2 5,2 12 4 1,85 080 MJ8x1 - 4h6h 8 12,3 8,25 12,2 6,2 1,4 1,9 14,3 0,5 0,2 4,5 2,1 100 MJ10x1,25 - 4h6h 10 16,3 10,25 16 7,9 18,9 5 2,35 120 MJ12x1,25 - 4h6h 12 18,3 12,25 18 9,8 2,4 21,1 6 2,85140 MJ14x1,5 - 4h6h 14 21,3 14,25 21 11,5 24,5 7
32、 3,35 160 MJ16x1,5 - 4h6h 16 23,3 16,25 23 13,5 3 26,8 8 3,85180 MJ18x1,5 - 4h6h 18 26,3 18,25 26 15,5 30,2 9 4,35 200 MJ20x1,5 - 4h6h 20 29,3 20,25 29 17,5 0,5 1,6 3,8 33,6 0,6 0,3 10 4,85 continuedEN 2549:20067Table 1 (concluded) J L1 0,2 c dN R MasseDiameter code nom. Tol. K Code nom. L2L30 0,3 n
33、om. Tol. f g 030 6 002 to 030 2 to 30 6 0,50 0,03 040 7 002 to 040 2 to 40 7,5 5 0,4 0,95 0,06 050 8 h12 3,25 003 to 050 3 to 50 9 6 2 0,5 1,67 0,09 060 10 4,1 003 to 060 3 to 60 10 2,3 3,18 0,13 070 11 4,5 004 to 070 4 to 70 11 7 2,7 4,27 0,17080 13 5,35 004 to 080 4 to 80 11,5 7,5 3 0,7 6,43 0,23
34、100 17 7,1 005 to 100 5 to 100 14,5 9 3,4 0,8 0 0,2 12,49 0,36 120 19 7,9 006 to 120 6 to 120 16 10 4 0,9 19,96 0,51 140 22 9,2 007 to 140 7 to 140 19 12 4,7 30,73 0,70 160 24 10,05 008 to 160 8 to 160 20,5 12,5 5,4 1,1 44,95 0,90 180 27 11,3 009 to 180 9 to 180 22,5 14,5 6 63,33 1,14 200 30 h13 12,
35、6 010 to 200 10 to 200 24,5 15 6,7 1,3 0 0,3 86,64 1,41 aIn accordance with ISO 5855-2, except the thread major diameter “d max.“ which shall be equal to D1min. 0,025. bD4max. shall be less than J. cIncrements: 1 for L1 30 2 for 30 100 dIf greater lengths are required, they shall be chosen using the
36、 above increments. The length code corresponds to length L1, completed by one or two zeros to the left, where necessary, to obtain a three digit code. eApproximate values (kg/1 000 pieces), calculated on the basis of 4,45 kg/dm3, for information purposes only. They apply to bolts without holes. fVal
37、ue for head and first L4gIncrease for each additional millimetre of L4. EN 2549:200689 4 Designation EXAMPLE Description block BOLT Identity block EN2549D080060F Number of this standard Hole code (see Table 2) Diameter code (see Table 1) Length code (see Table 1) Lubricant code (see 3.4) NOTE If nec
38、essary, the code I9005 shall be placed between the description block and the identity block. Table 2 Holes Code Lockwire H Split pin D Lockwire and split pin C No hole (hyphen) 5 Marking See Table 3 and Figure 1, indented. Table 3 Diameter code EN 2424 Style 030 and 040 N 050 to 200 C + MJ EN 2549:2
39、00610 6 Technical specification ISO 9152, with the following modifications: Approval of manufacturers: see EN 9100; Qualification of bolts: see EN 9133; Requirement deleted: double shear strength. 7 Oversized bolts See EN 4016. EN 2549:2006blankBS EN 2549:2006BSI389 Chiswick High RoadLondonW4 4ALBSI
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