EN 4498-2005 en Aerospace series - Bolts large bihexagonal head close tolerance normal shank medium length thread in heat resisting nickel base alloy passivated with aluminium pigm.pdf

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1、BRITISH STANDARD AEROSPACE SERIESBS EN 4498:2005Bolts, 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 CThe European Standard EN 4498

2、:2005 has the status of a British StandardICS 49.030.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 4498:2005This British Standard was publ

3、ished under the authority of the Standards Policy and Strategy Committee on 31 January 2006 BSI 31 January 2006ISBN 0 580 47214 0National forewordThis British Standard is the official English language version of EN 4498:2005. The UK participation in its preparation was entrusted to Technical Committ

4、ee ACE/12, Aerospace fasteners 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 do

5、cument may 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

6、. Users are 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 c

7、hange, and 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 8, an inside back cover and a back cover.The BSI copyright notice d

8、isplayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4498 December 2005 ICS 49.030.20 English Version Aerospace series - Bolts, large bihexagonal head, close tolerance norma

9、l 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 alliage rsistant chaud base de nic

10、kel, 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 - Klasse: 1 550 MPa (bei Raumtem

11、peratur) / 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 alteration. Up-to-date lists and bi

12、bliographical 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 under the responsibility

13、 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, Iceland, Ireland, Italy

14、, 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 Stassart, 36 B-1050 Brussel

15、s 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4498:2005: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Required characteristics 5 4 Designation .8 5 Marking 8 6 Technical specification.8 7 Oversized bo

16、lts .8 EN 4498:20053 Foreword This European Standard (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

17、 of the National Associations and 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 June 2006, and conflicti

18、ng national standards shall be withdrawn at the latest 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

19、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, Luxembou

20、rg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4498:20054 1 Scope This standard specifies the characteristics of bolts, large bihexagonal head, close tolerance normal shank, medium length thread, in heat resisting nickel ba

21、se 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 edition cited applies. For undated references, the latest ed

22、ition 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 MPa Dimensions. ISO 3353-1, Aerospace Lead and runout th

23、reads 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 Tolerances of form and position. ISO 9154, Aerospace Bolts,

24、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 decontamination of nickel base alloys. EN 3769, Aerospace s

25、eries 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 management systems Requirements (based on ISO 9001:2000) and Q

26、uality 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-L-87132B, Lubricant, Cetyl Alcohol, 1-Hexadecanol, Applic

27、ation 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 characteristics, after return to ambient temperature. The maximum

28、 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 Report at the date of publication of this standard. EN 449

29、8:20055 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity 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

30、 left to the manufacturers discretion. 3.2 Tolerances of form and position See ISO 7913 3.3 Materials See TR 3775 (heat resisting nickel 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,

31、code P shall be used in the designation, plus EN 4474. Lubrication with cetylic alcohol (chlorine free) according to MIL-L-87132 EN 4498:2005Valuesin micrometresapplyprior tosurface treatment.Breaksharp edges0,1 to 0,4.Key 1Radius0,3 min.2 Thread 3 Marking 4Four holes diameterD7equidistant(optional)

32、 5 ConformstoISO3353-1 aShape inthis area atmanufacturers optionFigure 1 3,2 0,8 EN 4498:20056Table1 D1D2D3D4D5D6D7HKL10,2b c L2PRSTMasse nom.Tol. Diameter codeThreada before coating after coating +1 0 0,5min. min.max.H13 min. h15Code nom.0 0,2+0,40 min. Wrenchingdashnumberd f g050MJ50,8-4h6h52,53,4

33、6,89,510,31 1,5 7,4003to050 3 to5012,55,30,8 3,3 2,8 07 5,180,16060MJ61-4h6h6 0,030 0,045 0,010 0,035 3,24,27,811 11,81,7 8,4003to060 3 to6015 6,13,83,5 08 7,920,23070MJ71-4h6h73,95,28,812,513,31,9 9,2004to070 4 to7016 6,74,23,8 09 12,400,32080MJ81-4h6h84,56,29,814 14,81,4 2,1 9,8004to080 4 to80 17

34、7,21 4,6 3,9 10 15,850,42100MJ101,25-4h6h 100,033 0,048 0,013 0,038 6,17,911,817,318,32,5 11,6005to100 5 to100 21 8,51,2 5,5 4,2 12 29,070,64120MJ121,25-4h6h 127,79,813,720,922 2,9 12,9006to120 6 to120 23,59,66,4 4,5 14 46,850,92140MJ141,5-4h6h1410,311,516,723,925 3,3 14,3007to140 7 to140 27,510,81,

35、4 7,1 5,1 17 70,361,16160MJ161,5-4h6h1611,913,518,627,428,53,7 15,8008to160 8 to160 30 12,48,4 5,3 19 103,451,65180MJ181,5-4h6h180,036 0,051 0,016 0,041 14,515,521,630,431,54,1 17,1009to180 9 to180 33 13,99,4 6,1 22 143,202,10200MJ201,5-4h6h2016 17,523,633,434,54,5 18,6010to200 10 to200 35,515,310,5

36、6,6 24 190,602,60220MJ221,5-4h6h2218,619,526,636,437,54,9 19,9011to220 11 to220 38 16,811,67,4 27 274,003,10240MJ242-4h6h 240,040 0,055 0,020 0,045 21,220,929,639,440,51,6 5,3 21,9012to240 12 to240 43,518,31,8 12,78,2 30 365,903,70aIn accordance with ISO5855-2, except the thread major diameter “dmax

37、.“which shall beequal toD1min. 0,025. bIncrements:1 forL1302 for30100 cIfgreater lengthsare required,they shallbechosen usingtheabove increments.The lengthcodecorresponds tolengthL1, completed by oneortwo zeros tothe left, where necessary, to obtaina threedigitcode.dInaccordance with ISO 4095overTmi

38、n. eApproximatevalues(kg/1 000pieces),calculated on the basis of8,25 kg/dm3, forinformationpurposes only.Theyapplyto bolts withoutholes. fValuefor headand first L3gIncreasefor eachadditionalmillimetre ofL3. EN 4498:200578 4 Designation EXAMPLE Description block BOLT Identity block EN4498H050040PNumb

39、er 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 block and the identity block. Table 2 Holes Code With HWithout (hyphen) 5 Marking EN 2424, style C plus

40、 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 4498:2005blankBS EN 4498:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionB

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