1、BRITISH STANDARD AEROSPACE SERIES BS EN 4321:2004 Bolts, double hexagon head with lockwire holes, relieved shank, long thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated Classification: 1 550 Mpa (at ambient temperature)/650 C The European Standard EN 4321:2004 has th
2、e status of a British Standard ICS 49.030.20 Licensed Copy: Wang Bin, na, Fri Mar 18 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSIBS EN 4321:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 14 December 2004 BSI 14 December 2004 ISBN 0 580
3、 45095 3 National foreword This British Standard is the official English language version of EN 4321:2004. It supersedes BS EN 4321:2003, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the
4、responsibility to: A list of organizations 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 entitle
5、d “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 responsible for its correct application. Compliance w
6、ith 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 keep the UK interests informed; monitor related intern
7、ational and European developments and 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 9 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendment
8、s issued since publication Amd. No. Date Comments Licensed Copy: Wang Bin, na, Fri Mar 18 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4321 November 2004 ICS 49.030.20 Supersedes EN 4321:2003 English version Aerospace series - Bolts, double hexag
9、on head with lockwire holes, relieved shank, long thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated - Classification: 1 550 MPa (at ambient temperature) / 650 C Srie arospatiale - Vis tte bihexagonale avec trous de fil frein, ft dgag, filetage long, en alliage rsista
10、nt chaud base de nickel NI-PH2601 (Inconel 718), argentes - Classification : 1 550 MPa ( temprature ambiante) / 650 C Luft- und Raumfahrt - Zwlfkantschrauben mit Lcher fr Sicherungsdraft, Dnnschaft, langes Gewinde, aus hochwarmfester Nickelbasislegierung NI-PH2601 (Inconel 718), versilbert - Klasse:
11、 1 550 MPa (bei Raumtemperatur) / 650 C This European Standard was approved by CEN on 11 September 2003. 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
12、. Up-to-date lists and bibliographical 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
13、 under the responsibility of a CEN member 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
14、, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de St
15、assart, 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. EN 4321:2004: E Licensed Copy: Wang Bin, na, Fri Mar 18 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 2 Contents Page Foreword3 1 Scope 4
16、 2 Normative references 4 3 Required characteristics.4 4 Designation 9 5 Marking .9 6 Technical specification .9 Licensed Copy: Wang Bin, na, Fri Mar 18 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSIEN 4321:2004 (E) 3 Foreword This document (EN 4321:2004) has been prepared by the European Association
17、 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 presentati
18、on 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 May 2005, and conflicting national standards shall be withdrawn at the latest by May 2005. This document supersedes EN 4321:2003. Accordi
19、ng to the CEN/CENELEC Internal Regulations, the national 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
20、, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, na, Fri Mar 18 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 4 1 Scope This standard specifies the characteristics of double he
21、xagon headed bolts with lockwire holes, relieved shank and long thread, in NI-PH2601, silver plated, for aerospace applications. Classification: 1 550 MPa 1)/ 650 C 2)2 Normative references The following referenced documents are indispensable for the application of this document. For dated reference
22、s, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3353-1, Aerospace Lead and runout threads Part 1: Rolled external threads ISO 4095, Aerospace Bihexagonal drives Wrenching configuration Metric series ISO
23、5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts EN 2424, Aerospace series Marking of aerospace products EN 2786, Aerospace series Electrolytic silver plating of fasteners 3)EN 2952, Aerospace series Heat resisting alloy NI-PH2601 Solution treated and cold worked Bar for forg
24、ed fasteners D 50 mm 1 270 MPa R m 1 550 MPa 3)EN 3666, Aerospace series Heat resisting alloy NI-PH2601 Solution treated and cold worked Bar for forged fasteners D 50 mm 1 550 MPa R m 1 830 MPa 3)EN 3833, Aerospace series Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718)
25、, passivated Classification: 1 550 MPa (at ambient temperature) / 650 C Technical specification 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Tables 1 and 2. Dimensions and tolerances are in millimetres. They apply after silver plating. 3.2 Materials EN 3
26、666 or EN 2952 with exception of final heat treatment which shall meet EN 3666 (reference heat treatment and relating mechanical properties). 3.3 Surface treatment EN 2786 Thickness: thread 3 m to 6 m, shall be measured at the pitch diameter; other areas may show complete coverage, without thickness
27、 requirement. 1) Minimum tensile strength of the material at ambient temperature 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 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSIEN 4321:2004 (E
28、) 5 Key 1 rolled 2 values apply before silver plating. 3 remove sharp edges 0,1 to 0,4. 4 pitch diameter 5 thread 6 marking 7 conforms to ISO 3353-1 8 shape in this area at manufacturers option 9 four holes M deburred aWhen the length of the shank is less than one times the nominal value of the shan
29、k diameter D, the run-out is measured at a distance equal to half the actual shank length. bFor bolts having a shank length less than one times the nominal value of the shank diameter D, and for those threaded to head, the pitch diameter axis shall be used as the datum. Figure 1 Licensed Copy: Wang
30、Bin, na, Fri Mar 18 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 6 Table 1 Thread aD E F G H K M P Q R 1 S bT U V X Y Z Code Designation 0,13 max. min. min. min. max. min. H13 0,5 max. min. min. max. min. max. min. 050 MJ50,8-4h6h 4,48 9,1 8,3 6,8 1 5,65 5,35 4,2 3,4 0,5 0,3 7 2 2,
31、9 2,5 3,7 3,2 0,13 060 MJ61-4h6h 5,35 10,6 9,8 7,8 1,2 6,15 5,85 4,6 4,2 8 2,3 3,2 2,8 4,6 4,1 0,12 0,15 070 MJ71-4h6h 6,35 12,1 11,3 8,8 1,4 6,65 6,35 5,1 5,2 9 2,6 3,7 3,3 5,4 4,9 0,18 080 MJ81-4h6h 7,35 13,6 12,8 9,8 1,6 7,15 6,85 5,5 6,2 0,7 0,5 10 2,8 4,1 3,7 5,7 5,2 0,003 0,2 100 MJ101,25-4h6h
32、 9,19 16,7 15,7 11,8 2 8,15 7,85 6,4 7,9 0,8 12 3,1 5,1 4,7 7,2 6,7 0,15 0,25 120 MJ121,25-4h6h 11,19 19,9 18,8 13,7 2,4 9,35 9,05 1,2 7,4 9,8 0,9 0,6 14 3,5 6 5,6 8,5 8 0,0025 0,18 0,3 aIn accordance with ISO 5855-2 b Bihexagonal wrenching configuration in conformity with ISO 4095 over length T min
33、. Licensed Copy: Wang Bin, na, Fri Mar 18 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSIEN 4321:2004 (E) 7 Table 2 Thread code 050 060 070 080 100 120 W Mass aW Mass a W Mass a W Mass a W Mass a W Mass aLength code N 0,3 max. min. max. min. max. min. max. min. max. min. max. min. 008 8 3,26 010 10 3,
34、52 5,11 7,19 9,62 012 12 3,78 5,48 7,71 10,32 014 14 4,04 5,85 8,23 11,02 18,01 016 16 4,29 6,22 8,75 11,71 19,10 29,41 018 18 2,1 1,7 4,55 6,59 9,27 12,41 20,19 31,03 020 20 4 2,5 4,81 2,7 2,2 6,95 9,79 13,11 21,28 32,64 022 22 6 4,5 5,07 4 2,5 7,32 2,7 2,2 10,31 13,81 22,37 34,25 024 24 8 6,5 5,33
35、 6 4,5 7,69 4 2,5 10,83 2,7 2,2 14,51 23,45 35,87 026 26 10 8,5 5,59 8 6,5 8,06 6 4,5 11,36 4 2,5 15,20 24,54 37,48 028 28 12 10,5 5,85 10 8,5 8,43 8 6,5 11,88 6 4,5 15,90 3,3 2,7 25,63 39,10 030 30 14 12,5 6,11 12 10,5 8,80 10 8,5 12,40 8 6,5 16,60 4 2,7 26,72 40,71 032 32 16 14,5 6,37 14 12,5 9,17
36、 12 10,5 12,92 10 8,5 17,30 6 4,5 27,81 3,4 2,8 42,32 034 34 18 16,5 6,63 16 14,5 9,54 14 12,5 13,44 12 10,5 17,99 8 6,5 28,90 4 2,8 43,94 036 36 20 18,5 6,89 18 16,5 9,91 16 14,5 13,96 14 12,5 18,69 10 8,5 29,98 6 4,5 45,55 038 38 22 20,5 7,15 20 18,5 10,28 18 16,5 14,48 16 14,5 19,39 12 10,5 31,07
37、 8 6,5 47,17 040 40 24 22,5 7,40 22 20,5 10,65 20 18,5 15,00 18 16,5 20,09 14 12,5 32,16 10 8,5 48,78 042 42 26 24,5 7,66 24 22,5 11,02 22 20,5 15,52 20 18,5 20,78 16 14,5 33,25 12 10,5 50,40 044 44 28 26,5 7,92 26 24,5 11,39 24 22,5 16,04 22 20,5 21,48 18 16,5 34,34 14 12,5 52,01 046 46 30 28,5 8,1
38、8 28 26,5 11,76 26 24,5 16,56 24 22,5 22,18 20 18,5 35,43 16 14,5 53,62 048 48 32 30,5 8,44 30 28,5 12,13 28 26,5 17,08 26 24,5 22,88 22 20,5 36,51 18 16,5 55,24 050 50 34 32,5 8,70 32 30,5 12,50 30 28,5 17,60 28 26,5 23,57 24 22,5 37,60 20 18,5 56,85 052 52 36 34,5 8,96 34 32,5 12,87 32 30,5 18,12
39、30 28,5 24,27 26 24,5 38,69 22 20,5 58,47 054 54 38 36,5 9,22 36 34,5 13,24 34 32,5 18,65 32 30,5 24,97 28 26,5 39,78 24 22,5 60,08 056 56 40 38,5 9,48 38 36,5 13,61 36 34,5 19,17 34 32,5 25,67 30 28,5 40,87 26 24,5 61,69 058 58 42 40,5 9,74 40 38,5 13,98 38 36,5 19,69 36 34,5 26,36 32 30,5 41,96 28
40、 26,5 63,31 060 60 44 42,5 10,00 42 40,5 14,35 40 38,5 20,21 38 36,5 27,06 34 32,5 43,04 30 28,5 64,92 062 62 46 44,5 10,26 44 42,5 14,72 42 40,5 20,73 40 38,5 27,76 36 34,5 44,13 32 30,5 66,54 064 64 48 46,5 10,51 46 44,5 15,09 44 42,5 21,25 42 40,5 28,46 38 36,5 45,22 34 32,5 68,15 066 66 50 48,5
41、10,77 48 46,5 15,46 46 44,5 21,77 44 42,5 29,16 40 38,5 46,31 36 34,5 69,76 068 68 52 50,5 11,03 50 48,5 15,83 48 46,5 22,29 46 44,5 29,85 42 40,5 47,40 38 36,5 71,38 continued Licensed Copy: Wang Bin, na, Fri Mar 18 02:25:02 GMT 2005, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 8 Table 2 (concluded
42、) Thread code 050 060 070 080 100 120 W Mass aW Mass a W Mass a W Mass a W Mass a W Mass aLength code N 0,3 max. min. max. min. max. min. max. min. max. min. max. min. 070 70 54 52,5 11,29 52 50,51 6 ,20 50 48,52 2 ,81 48 46,53 0 ,55 44 42,54 8 ,48 40 38,5 72,99 072 72 54 52,5 16,56 52 50,5 23,33 50
43、 48,5 31,25 46 44,5 49,57 42 40,5 74,61 074 74 56 54,5 16,93 54 52,5 23,85 52 50,5 31,95 48 46,5 50,66 44 42,5 76,22 076 76 58 56,5 17,30 56 54,5 24,37 54 52,5 32,67 50 48,5 51,75 46 44,5 77,83 078 78 60 58,5 17,67 58 56,5 24,89 56 54,5 33,34 52 50,5 52,84 48 46,5 79,45 080 80 62 60,5 18,04 60 58,5
44、25,41 58 56,5 34,04 54 52,5 53,93 50 48,5 81,06 082 82 64 62,5 18,41 62 60,5 25,94 60 58,5 34,74 56 54,5 55,01 52 50,5 82,68 084 84 66 64,5 18,78 64 62,5 26,46 62 60,5 35,43 58 56,6 56,10 54 52,5 84,29 086 86 66 64,5 26,98 64 62,5 36,13 60 58,557,19 56 54,5 85,91 088 88 68 66,5 27,50 66 64,5 36,83 6
45、2 60,558,28 58 56,5 87,52 090 90 70 68,5 28,02 68 66,5 37,53 64 62,559,37 60 58,5 89,13 092 92 72 70,5 28,54 70 68,5 38,22 66 64,560,46 62 60,5 90,75 094 94 74 72,5 29,06 72 70,5 38,92 68 66,561,54 64 62,5 92,36 096 96 76 74,5 29,58 74 72,5 39,62 70 68,562,63 66 64,5 93,98 098 98 78 76,5 30,10 76 74
46、,5 40,32 72 70,563,72 68 66,5 95,59 100 100 78 76,5 41,02 74 72,564,81 70 68,5 97,20 104 104 82 80,5 42,41 78 76,566,99 74 72,5 100,43 108 108 86 84,5 43,81 82 80,569,16 78 76,5 103,66 112 112 90 88,5 45,20 86 84,571,34 82 80,5 106,89 116 116 90 88,573,51 86 84,5 110,12 120 120 94 92,575,69 90 88,5
47、113,35 124 124 98 96,577,87 94 92,5 116,57 128 128 102 100,580,04 98 96,5 119,80 132 132 106 104,582,22 102 100,5 123,03 136 136 110 108,584,40 106 104,5 126,26 140 140 114 112,586,57 110 108,5 129,49 144 144 114 112,5 132,71 148 148 118 116,5 135,94 152 152 122 120,5 139,17 156 156 126 124,5 142,40 160 160 130 128,5 145,63 164 164 134 132,5 148,86
