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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 the
2、 status of a British Standard ICS 49.030.20 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4321:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 14 December 2004 BSI 14 D
3、ecember 2004 ISBN 0 580 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 It supersedes BS EN 4321:2003, which is withdrawn.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
4、systems, which has the 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 un
5、der 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 responsible for its correct ap
6、plication. 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 keep the UK interests informed;
7、 monitor related international 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
8、 last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4321 November 2004 ICS 49.030.20 Supersedes EN 4321:2003 English ver
9、sion Aerospace series - 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 Srie arospatiale - Vis tte bihexagonale avec trous de fil frein
10、, ft dgag, filetage long, en alliage rsistant 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
11、-PH2601 (Inconel 718), versilbert - Klasse: 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
12、 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 to any CEN member. This European Standard exists in three official versions (English, French, German). A versio
13、n 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 versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia
14、, Finland, France, Germany, Greece, Hungary, 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 KOMI
15、TEE 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. EN 4321:2004: E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontrolled Co
16、py, (c) BSI EN 4321:2004 (E) 2 Contents Page Foreword3 1 Scope4 2 Normative references4 3 Required characteristics.4 4 Designation 9 5 Marking.9 6 Technical specification.9 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 3 F
17、oreword This document (EN 4321:2004) has been prepared by the European Association 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 a
18、nd the Official Services of the member countries of AECMA, prior to its presentation 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 w
19、ithdrawn at the latest by May 2005. This document supersedes EN 4321:2003. According 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, Fin
20、land, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontr
21、olled Copy, (c) BSI EN 4321:2004 (E) 4 1 Scope This standard specifies the characteristics of double hexagon 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 f
22、ollowing 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 3353-1, Aerospace Lead and runout threads Part 1:
23、Rolled external threads ISO 4095, Aerospace Bihexagonal drives Wrenching configuration Metric series ISO 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
24、 3) EN 2952, Aerospace series Heat resisting alloy NI-PH2601 Solution treated and cold worked Bar for forged fasteners D 50 mm 1 270 MPa Rm 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 Rm 1 830 MPa 3
25、) EN 3833, Aerospace series Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), 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
26、1 and 2. Dimensions and tolerances are in millimetres. They apply after silver plating. 3.2 Materials EN 3666 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
27、to 6 m, shall be measured at the pitch diameter; other areas may show complete coverage, without thickness 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 sta
28、ndard Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 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
29、 manufacturers option 9 four holes M deburred a When the length of the shank is less than one times the nominal value of the shank diameter D, the run-out is measured at a distance equal to half the actual shank length. b For bolts having a shank length less than one times the nominal value of the s
30、hank diameter D, and for those threaded to head, the pitch diameter axis shall be used as the datum. Figure 1 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 6 Table 1 Thread a D E F G H K M P Q R1 S b T U V X Y Z Code Desig
31、nation 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 2,9 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
32、 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 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
33、14 3,5 6 5,6 8,5 8 0,0025 0,18 0,3 a In accordance with ISO 5855-2 b Bihexagonal wrenching configuration in conformity with ISO 4095 over length T min. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 7 Table 2 Thread code 05
34、0 060 070 080 100 120 W Mass a W Mass aW Mass aW Mass aW Mass aW Mass a Length code N 0,3 max. min. max. min. max. min. max. min. max. min. max. min. 008 8 3,26 010 10 3,52 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
35、1,7 4,55 6,59 9,27 12,41 20,19 31,03 020 20 4 2,5 4,81 2,72,2 6,95 9,79 13,11 21,28 32,64 022 22 6 4,5 5,07 4 2,5 7,32 2,72,2 10,31 13,81 22,37 34,25 024 24 8 6,5 5,33 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,
36、85 10 8,5 8,43 8 6,5 11,88 6 4,5 15,90 3,32,7 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 12 10,5 12,92 10 8,5 17,30 6 4,5 27,81 3,42,8 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
37、,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 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
38、 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 8,18 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 2
39、2 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 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
40、 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 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,
41、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 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
42、,85 42 40,5 47,40 38 36,5 71,38 continued Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:41:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4321:2004 (E) 8 Table 2 (concluded) Thread code 050 060 070 080 100 120 W Mass a W Mass aW Mass aW Mass aW Mass aW Mass a Length code N 0,3 max. min
43、. max. min. max. min. max. min. max. min. max. min. 070 70 5452,5 11,29 5250,516,205048,522,8148 46,530,554442,548,484038,5 72,99 072 72 54 52,5 16,56 52 50,5 23,33 50 48,5 31,25 46 44,549,57 42 40,5 74,61 074 74 56 54,5 16,93 54 52,5 23,85 52 50,5 31,95 48 46,550,66 44 42,5 76,22 076 76 58 56,5 17,
44、30 56 54,5 24,37 54 52,5 32,67 50 48,551,75 46 44,5 77,83 078 78 60 58,5 17,67 58 56,5 24,89 56 54,5 33,34 52 50,552,84 48 46,5 79,45 080 80 62 60,5 18,04 60 58,5 25,41 58 56,5 34,04 54 52,553,93 50 48,5 81,06 082 82 64 62,5 18,41 62 60,5 25,94 60 58,5 34,74 56 54,555,01 52 50,5 82,68 084 84 66 64,5
45、 18,78 64 62,5 26,46 62 60,5 35,43 58 56,656,10 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 62 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 6
46、0,5 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 74,5 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 1
47、08 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 88,5 113,35 124 124 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