1、BRITISH STANDARDBS EN 3293:2008Aerospace series Bolts, T-head, close tolerance, medium thread length, in heat resisting nickel base alloy NI-P100HT (Inconel 718), uncoated Classification: 1 275 MPa/650 CICS 49.030.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g
2、54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3293:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2008ISBN 978 0 580 60319 8National forewordTh
3、is British Standard is the UK implementation of EN 3293:2008.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its secretary.This publicati
4、on does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARD NORME EUROPENNE
5、EUROPISCHE NORM EN 3293 April 2008 ICS 49.030.20 English Version Aerospace series - Bolts, T-head, close tolerance, medium thread length, in heat resisting nickel base alloy NI-P100HT (Inconel 718), uncoated - Classification: 1 275 MPa/650 C Srie arospatiale - Vis de prcision tte anti-rotation T, fi
6、letage moyen en alliage rsistant chaud base de nickel NI-P100HT (Inconel 718), non revtu - Classification : 1 275 MPa/650 C Luft- und Raumfahrt - T-Kopf-Passschrauben, mittlere Gewindelnge, aus hochwarmfester Nickelbasislegierung NI-P100HT (Inconel 718), blank - Klasse: 1 275 MPa/650 C This European
7、 Standard was approved by CEN on 3 November 2007. 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 conce
8、rning such national standards 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 ow
9、n language and notified to 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, Lithua
10、nia, 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 2008
11、CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3293:2008: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 3.1 Configuration, dimensions, tolerances, masses4 3.2 Material .4 3.3 Surface tr
12、eatment 4 3.4 Thread surface .4 4 Designation 8 5 Marking .8 6 Technical specification .8 Figures Figure 1 Configuration 5 Tables Table 1 Dimensions. 5 Table 2 Lengths and masses . 6 BS EN 3293:20083 Foreword This document (EN 3293:2008) has been prepared by the Aerospace and Defence Industries Asso
13、ciation of Europe - Standardization (ASD-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 ASD, prior to its presentation to CEN. Thi
14、s 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 October 2008, and conflicting national standards shall be withdrawn at the latest by October 2008. Attention is drawn to the possibility that some of t
15、he 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement
16、this European Standard: Austria, Belgium, Bulgaria, 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 t
17、he United Kingdom. BS EN 3293:20084 1 Scope This standard specifies the dimensions of uncoated T-head bolts, close tolerance, with MJ-thread, medium thread length, in heat-resisting nickel base alloy NI-P100HT for aerospace applications. Maximum test temperature of the parts is 650 C. These bolts ar
18、e to be used in aerospace fastening systems mainly stressed in shearing force. 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 ref
19、erenced document (including any amendments) applies. EN 2424, Aerospace series Marking of aerospace products1)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 2
20、952, Aerospace series Heat resisting alloy NI-PH2601 Solution treated and cold worked Bar for forged fasteners D 50 mm, 1 270 MPa Rm 1550 MPa1)ISO 3353-1, Aerospace Lead and runout threads Part 1: Rolled external threads ISO 5855-1, Aerospace MJ threads Part 1: General requirements ISO 5855-2, Aeros
21、pace MJ threads Part 2: Limit dimensions for bolts and nuts 3 Required characteristics 3.1 Configuration, dimensions, tolerances, masses Configuration shall be in accordance with Figure 1. Dimensions, tolerances and masses shall conform with Tables 1 and 2. Details of form, not stated are at the man
22、ufacturers option. 3.2 Material Heat resisting nickel base alloy NI-P100HT according to EN 2952. 3.3 Surface treatment None 3.4 Thread surface See Figure 1. 1) Published as AECMA prestandard at the date of publication of this standard. BS EN 3293:20085 Dimensions in millimetres Break sharp edges 0,1
23、 mm to 0,4 mm aWhen the length of the shank is less than one time the nominal value of the shank diameter, D, the run-out is measured at a distance equal to half the actual shank length bTotal straightness with reference to nominal length N cFor bolts having a shank length less than one time the nom
24、inal value of the shank diameter, D, the pitch diameter axis shall be used as datum dRolled eThread runout ISO 3353-1 fThread pitch diameter gThread major diameter max.: actual shank diameter minus 0,025 mm; min.: defined by 6h tolerance hLead thread ISO 3353-1 iR0,90,4 typicaljIdentity marking Figu
25、re 1 Configuration Table 1 Dimensions Dimensions in millimetres C D E K Q R S X Y Code Designationa max. min. f7 max. min. max. min. 0,5 max. min. max. min. 050 MJ5 0,8 4h6hb 6,3 6,1 5 11,6 11,1 3,4 2,9 3,5 0,5 0,3 8,4 8,1060 MJ6 1 4h6hb7,3 7,1 6 12,5 12,0 3,9 3,4 4,2 0,7 0,5 9,5 9,20,12070 MJ7 1 4h
26、6hb8,4 8,2 7 13,9 13,4 4,5 4,0 5,2 0,7 0,5 10,5 10,2080 MJ8 1 4h6hb9,4 9,2 8 14,5 14,0 5,0 4,5 6,2 0,7 0,5 11,5 11,20,002 100 MJ10 1,25 4h6hb11,2 11,0 10 17,0 16,5 5,8 5,3 7,9 0,8 0,6 13,3 13,0 0,001 50,15aAccording to ISO 5855-1 and ISO 5855-2. bThe tolerance on the thread major diameter shall be m
27、odified as shown in Figure 1. BS EN 3293:20086 Table 2 Lengths and masses Masses (8,195 kg/dm3): kg/1 000 pieces Nominal diameter code 050 060 070 080 100 L 0,2 N Mass N Mass N Mass N Mass N Mass Length code mm mm kg mm kg mm kg mm kg mm kg 003 3 16,5 4,52 18,5 6,83 004 4 17,5 4,68 19,5 7,05 20,5 10
28、,30 22 14,03 005 5 18,5 4,85 20,5 7,29 21,5 10,62 23 14,44 26,5 24,68 006 6 19,5 5,01 21,5 7,52 22,5 10,93 24 14,84 27,5 25,32 007 7 20,5 5,17 22,5 7,75 23,5 11,25 25 15,26 28,5 25,97 008 8 21,5 5,33 23,5 7,98 24,5 11,56 26 15,67 29,5 26,60 009 9 22,5 5,48 24,5 8,22 25,5 11,84 27 16,09 30,5 27,25 01
29、0 10 23,5 5,64 25,5 8,44 26,5 12,20 28 16,49 31,5 27,91 011 11 24,5 5,81 26,5 8,67 27,5 12,51 29 16,91 32,5 28,54 012 12 25,5 5,97 27,5 8,91 28,5 12,83 30 17,32 33,5 29,18 013 13 26,5 6,15 28,5 9,14 29,5 13,14 31 17,73 34,5 29,82 014 14 27,5 6,39 29,5 9,37 30,5 13,45 32 18,16 35,5 30,44 015 15 28,5
30、6,46 30,5 9,59 31,5 13,77 33 18,55 36,5 31,11 016 16 29,5 6,62 31,5 9,84 32,5 14,09 34 18,97 37,5 31,73 017 17 30,5 6,78 32,5 10,06 33,5 14,41 35 19,37 38,5 32,40 018 18 31,5 6,93 33,5 10,30 34,5 14,71 36 19,79 39,5 33,04 019 19 32,5 7,09 34,5 10,53 35,5 15,03 37 20,20 40,5 33,69 020 20 33,5 7,26 35
31、,5 10,76 36,5 15,35 38 20,61 41,5 34,32 021 21 34,5 7,42 36,5 11,00 37,5 15,66 39 21,02 42,5 34,97 022 22 35,5 7,58 37,5 11,23 38,5 15,98 40 21,44 43,5 35,59 023 23 36,5 7,84 38,5 11,45 39,5 16,29 41 21,85 44,5 36,26 024 24 37,5 7,90 39,5 11,69 40,5 16,61 42 22,25 45,5 36,90 025 25 38,5 8,07 40,5 11
32、,92 41,5 16,92 43 22,67 46,5 37,54 026 26 39,5 8,24 41,5 12,15 42,5 17,24 44 23,08 47,5 38,19 027 27 40,5 8,39 42,5 12,38 43,5 17,55 45 23,49 48,5 38,83 028 28 41,5 8,54 43,5 12,62 44,5 17,87 46 23,90 49,5 39,47 029 29 42,5 8,70 44,5 12,85 45,5 18,18 47 24,32 50,5 40,11 030 30 43,5 8,87 45,5 13,07 4
33、6,5 18,50 48 24,73 51,5 40,76 032 32 46,5 9,32 48,5 13,72 49,5 19,38 51 25,86 54,5 42,59 034 34 48,5 9,64 50,5 14,19 51,5 20,01 53 26,72 56,5 43,87 036 36 50,5 9,97 52,5 14,64 53,5 20,65 55 27,54 58,5 45,16 038 38 52,5 10,28 54,5 15,11 55,5 21,27 57 28,37 60,5 46,44 040 40 54,5 10,60 56,5 15,58 57,5
34、 21,90 59 29,19 62,5 47,74 042 42 56,5 10,93 58,5 16,04 59,5 22,53 61 30,01 64,5 49,02 044 44 58,5 11,25 60,5 16,50 61,5 23,16 63 30,83 66,5 50,31 046 46 60,5 11,57 62,5 16,97 63,5 23,79 65 31,66 68,5 51,59 048 48 62,5 11,89 64,5 17,43 65,5 24,43 67 32,46 70,5 52,88 BS EN 3293:20087 Table 2 (continu
35、ed) Masses (8,195 kg/dm3): kg/1 000 pieces Nominal diameter code 050 060 070 080 100 L 0,2 N Mass N Mass N Mass N Mass N Mass Length code mm mm kg mm kg mm kg mm kg mm kg 050 50 64,5 12,21 66,5 17,89 67,5 25,05 69 33,31 72,5 54,16 052 52 68,5 18,35 69,5 25,69 71 34,13 74,5 55,45 054 54 70,5 18,82 71
36、,5 26,31 73 34,96 76,5 56,74 056 56 72,5 19,28 73,5 26,95 75 35,78 78,5 58,03 058 58 74,5 19,74 75,5 27,57 77 36,60 80,5 59,31 060 60 76,5 20,21 77,5 28,21 79 37,42 82,5 60,60 062 62 79,5 28,84 81 38,25 84,5 61,78 064 64 81,5 29,46 83 39,06 86,5 63,27 066 66 83,5 30,10 85 39,90 88,5 64,45 068 68 85,
37、5 30,72 87 40,71 90,5 65,75 070 70 87,5 31,34 89 41,54 92,5 67,03 072 72 91 42,37 94,5 68,32 074 74 93 43,19 96,5 69,60 076 76 95 44,01 98,5 70,89 078 78 97 44,83 100,5 71,17 080 80 99 45,65 102,5 73,45 082 82 104,5 74,74 084 84 106,5 75,08 086 86 108,5 77,32 088 88 110,5 78,61 090 90 112,5 79,89 09
38、2 92 114,5 81,19 094 94 116,5 82,46 096 96 118,5 83,75 098 98 120,5 85,04 100 100 122,5 86,33 BS EN 3293:20088 4 Designation Each T-head bolt, close tolerance, shall only be designated as in the following example: Description block Identity block Bolt EN 3293 080 050 Number of EN standard Nominal di
39、ameter code (see Table 1) Length code (see Table 2) If necessary the originator code I9005 shall be placed between the description block and the identity block. 5 Marking Each T-head bolt, close tolerance, shall be marked in accordance with EN 2424, Style A. 6 Technical specification The T-head bolt
40、s, close tolerance, shall conform to the requirements of EN 2583. BS EN 3293:2008blankBS EN 3293:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe
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