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1、BRITISH STANDARD AEROSPACE SERIES BS EN 4498:2005 Bolts, large bihexagonal head, close tolerance normal shank, medium length thread, in heat resisting nickel base alloy, passivated, with aluminium pigmented coating Classification: 1 550 MPa (at ambient temperature) / 315 C The European Standard EN 4
2、498:2005 has the status of a British Standard ICS 49.030.20 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4498:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 Januar
3、y 2006 BSI 31 January 2006 ISBN 0 580 47214 0 National foreword This British Standard is the official English language version of EN 4498:2005. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibility
4、 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 entitled “Internation
5、al 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 with a British
6、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 UK interests informed; monitor related international and Europe
7、an 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 8, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amend
8、ments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4498 December 2005 ICS 49.030.20 English Version Aerospace series - Bolts, large bihexa
9、gonal head, close tolerance normal shank, medium length thread, in heat resisting nickel base alloy, passivated, with aluminium pigmented coating - Classification: 1 550 MPa (at ambient temperature) / 315 C Srie arospatiale - Vis tte bihexagonale large, ft normal tolrance serre, filetage moyen, en a
10、lliage rsistant chaud base de nickel, passives, avec revtement alumino-organique - Classification : 1 550 MPa ( temprature ambiante) / 315 C Luft- und Raumfahrt - Sechskant-Paschrauben, mittlere Gewindelnge, aus hochwarmfester Nickelbasislegierung, passivsiert, mit Aluminium pigmenttete Beschichtung
11、 - Klasse: 1 550 MPa (bei Raumtemperatur) / 315 C This European Standard was approved by CEN on 26 October 2005. 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 al
12、teration. 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 tra
13、nslation 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,
14、 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 KOMITEE FR NORMUNG Management Centre: r
15、ue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4498:2005: E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 Contents Page Forewor
16、d 3 1 Scope.4 2 Normative references .4 3 Required characteristics 5 4 Designation .8 5 Marking8 6 Technical specification.8 7 Oversized bolts .8 EN 4498:2005 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 3 Foreword This European Standard
17、(EN 4498:2005) 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 and the Official Servic
18、es 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 June 2006, and conflicting national standards shall be withdrawn at the lates
19、t by June 2006. Attention is drawn to the possibility 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. According to the CEN/CENELEC Internal Regulations, the national standa
20、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, Slo
21、vakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4498:2005 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 1 Scope This standard specifies the characteristics of bolts, large bihexagonal head, close tolerance normal s
22、hank, medium length thread, in heat resisting nickel base alloy, passivated, with aluminium pigmented coating. Classification: 1 550 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 edit
23、ion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3186, Aerospace Bolts, large bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes 1 250 MPa to 1 800
24、MPa Dimensions. ISO 3353-1, Aerospace Lead and runout threads Part 1: 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. ISO 7913, Aerospace Bolts and screws, metric Tole
25、rances of form and position. ISO 9154, Aerospace Bolts, with MJ threads, made of heat-resistant nickel-based alloy, strength class 1 550 MPa Procurement specification. EN 2424, Aerospace series Marking of aerospace products. EN 2516, Aerospace series Passivation of corrosion resisting steels and dec
26、ontamination of nickel base alloys. EN 3769, Aerospace series Electrolytic polishing of corrosion resistant steels and heat resisting alloys. EN 4016, Aerospace series Oversized bolts.3) EN 4474, Aerospace series Aluminium pigmented coatings Coating methods.3) EN 9100, Aerospace series Quality manag
27、ement systems Requirements (based on ISO 9001:2000) and Quality systems Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994). EN 9133, Aerospace series Quality management systems Qualification Procedure for aerospace standard parts. MIL-
28、L-87132B, Lubricant, Cetyl Alcohol, 1-Hexadecanol, Application to Fasteners.4) TR 3775, Aerospace series Bolts and pins Materials.5) 1) Minimum tensile strength of the material at ambient temperature. 2) Maximum temperature that the bolt can withstand without continuous change in its original charac
29、teristics, after return to ambient temperature. The maximum temperature is determined by the coating. 3) Published as AECMA Prestandard at the date of publication of this standard. 4) Published by: Department of Defense (DoD), the Pentagon, Washington, D.C.20301, USA. 5) Published as AECMA Technical
30、 Report at the date of publication of this standard. EN 4498:2005 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 5 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are: in co
31、nformity with ISO 3186, expressed in millimetres and apply after coating (tolerance on shank diameter before coating is also specified). Details of form not stated are left to the manufacturers discretion. 3.2 Tolerances of form and position See ISO 7913 3.3 Materials See TR 3775 (heat resisting nic
32、kel base alloy, strength class 1 550 MPa) 3.4 Surface treatments See EN 2516 or EN 3769 on the head (except bearing face), then EN 2516 on all the bolt. In this case, code P shall be used in the designation, plus EN 4474. Lubrication with cetylic alcohol (chlorine free) according to MIL-L-87132 EN 4
33、498:2005 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Values in micrometres apply prior to surface treatment. Break sharp edges 0,1 to 0,4. Key 1 Radius 0,3 min. 2 Thread 3 Marking 4 Four holes diameter D7 equidistant (optional) 5 Conform
34、s to ISO 3353-1 a Shape in this area at manufacturers option Figure 1 3,2 0,8 EN 4498:2005 6 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Table 1 D1 D2 D3 D4 D5 D6 D7 H K L1 0,2 b c L2 P R S T Mass e nom. Tol. Diameter code Thread a befor
35、e coating after coating + 1 0 0,5min. min. max.H13 min. h15 Code nom. 0 0,2 + 0,4 0 min. Wrenching dash number d f g 050 MJ50,8-4h6h 5 2,53,46,89,510,31 1,5 7,4003 to 050 3 to 50 12,55,30,8 3,3 2,8 07 5,180,16 060 MJ61-4h6h 6 0,030 0,045 0,010 0,035 3,24,27,811 11,81,7 8,4003 to 060 3 to 60 15 6,13,
36、8 3,5 08 7,920,23 070 MJ71-4h6h 7 3,95,28,812,513,31,9 9,2004 to 070 4 to 70 16 6,74,2 3,8 09 12,400,32 080 MJ81-4h6h 8 4,56,29,814 14,8 1,4 2,1 9,8004 to 080 4 to 80 17 7,2 1 4,6 3,9 10 15,850,42 100 MJ101,25-4h6h 10 0,033 0,048 0,013 0,038 6,17,911,817,318,32,5 11,6005 to 100 5 to 100 21 8,51,2 5,
37、5 4,2 12 29,070,64 120 MJ121,25-4h6h 12 7,79,813,720,922 2,9 12,9006 to 120 6 to 120 23,59,66,4 4,5 14 46,850,92 140 MJ141,5-4h6h 14 10,311,516,723,925 3,3 14,3007 to 140 7 to 140 27,5 10,8 1,4 7,1 5,1 17 70,361,16 160 MJ161,5-4h6h 16 11,913,518,627,428,53,7 15,8008 to 160 8 to 160 30 12,48,4 5,3 19
38、 103,451,65 180 MJ181,5-4h6h 18 0,036 0,051 0,016 0,041 14,515,521,630,431,54,1 17,1009 to 180 9 to 180 33 13,99,4 6,1 22 143,202,10 200 MJ201,5-4h6h 20 16 17,523,633,434,54,5 18,6010 to 200 10 to 200 35,5 15,310,56,6 24 190,602,60 220 MJ221,5-4h6h 22 18,619,526,636,437,54,9 19,9011 to 220 11 to 220
39、 38 16,811,67,4 27 274,003,10 240 MJ242-4h6h 24 0,040 0,055 0,020 0,045 21,220,929,639,440,5 1,6 5,3 21,9012 to 240 12 to 240 43,5 18,3 1,8 12,78,2 30 365,903,70 a In accordance with ISO 5855-2, except the thread major diameter “d max.“ which shall be equal to D1 min. 0,025. b Increments: 1 for L1 3
40、0 2 for 30 100 c If greater lengths are required, they shall be chosen using the 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. d In accordance with ISO 4095 over T min. e Approximate values (kg/1
41、000 pieces), calculated on the basis of 8,25 kg/dm3, for information purposes only. They apply to bolts without holes. f Value for head and first L3 g Increase for each additional millimetre of L3. EN 4498:2005 7 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontr
42、olled Copy, (c) BSI 8 4 Designation EXAMPLE Description block BOLT Identity block EN4498H050040P Number of this standard Hole code (see Table 2) Diameter code (see Table 1) Length code (see Table 1) Polishing code (see 3.4) NOTE If necessary, the code I9005 shall be placed between the description bl
43、ock and the identity block. Table 2 Holes Code WithH Without (hyphen) 5 Marking EN 2424, style C plus MJ, indented (see Figure 1). 6 Technical specification See ISO 9154, except for clauses: Approval of manufacturers: see EN 9100; Qualification of bolts: see EN 9133. 7 Oversized bolts See EN 4016 EN
44、 4498:2005 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:47:06 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4498:2005 BSI 389 Chiswick High Road London W4 4AL BSI British
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