1、BRITISH STANDARD AEROSPACE SERIESBS EN 4304:2005Sleeves, tubular, for shear screws with flush head, in corrosion resisting steel, passivated, (0,25 mm wall thickness) The European Standard EN 4304:2005 has the status of a British StandardICS 49.030.99g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56
2、g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 4304:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 1 February 2006 BSI 1 Februa
3、ry 2006ISBN 0 580 47218 3National forewordThis British Standard is the official English language version of EN 4304:2005. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibility to: aid enquirers to
4、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 European developments and promulgate them in the UK.A list of organizations represented on
5、this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by usin
6、g 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 Standard does not of itself confer immunity from
7、 legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsE
8、UROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4304December 2005ICS 49.030.99English VersionAerospace series - Sleeves, tubular, for shear screws with flushhead, in corrosion resisting steel, passivated, (0,25 mm wallthickness)Srie arospatiale - Douilles tubulaires, pour vis decisaillement tte fra
9、ise, en acier rsistant la corrosion,passives, (paisseur de paroi 0,25 mm)Luft- und Raumfahrt - Hlsen fr Senkschrauben mitScherbeanspruchung, aus korrosionsbetndigem Stahl,passiviert, (Wanddicke 0,25 mm)This European Standard was approved by CEN on 26 October 2005.CEN members are bound to comply with
10、 the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat
11、or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversio
12、ns.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerlan
13、d and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4304:2
14、005: EEN 4304:2005 (E) 2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.4 4 Required characteristics 4 5 Designation .7 6 Marking 7 7 Technical specification.7 EN 4304:2005 (E) 3 Foreword This European Standard (EN 4304:2005) has been prepared by the European A
15、ssociation 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
16、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 latest by June 2006. Attention is drawn to the possibil
17、ity 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 standards organizations of the following countries are b
18、ound 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, Slovakia, Slovenia, Spain, Sweden, Switzerland and th
19、e United Kingdom. EN 4304:2005 (E) 4 1 Scope This standard specifies the characteristics and technical requirements of tubular sleeves for shear screws with flush head, which may be plain or provided with a series of annular grooves, in corrosion resisting steel, passivated, with a 0,25 mm wall thic
20、kness, for maximum operating temperature 650 C, for aerospace applications. 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 refere
21、nced document (including any amendments) applies. ISO 2859-1, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection. EN 2175, Aerospace series Heat resisting alloy FE-PA2602 (X4NiCrTiMoV26-15) Solution treated an
22、d precipitation treated Sheet, strip and plate 0,5 mm a 10 mm Rm 850 MPa. 1)EN 2424, Aerospace series Marking of aerospace products. EN 2516, Aerospace series Passivation of corrosion resisting steels and decontamination of nickel base alloys. 3 Terms and definitions For the purposes of this standar
23、d, the following terms and definitions apply. 3.1 crack rupture in the matrial which may extend in any direction and which may be intercrystalline or transcrystalline in character 3.2 seam open surface defect which is the result of the extrusion of the matrial 3.3 lap surface defect caused by foldin
24、g over metal fins or sharp corners and then rolling or forging them into the surface 4 Required characteristics 4.1 Configuration - Dimensions - Masses See Figure 1 and Tables 1 and 2. Dimensions and tolerances are expressed in millimetres and apply after surface treatment. 1) Published as AECMA Pre
25、standard at the date of publication of this standard. EN 4304:2005 (E) 5 4.2 Material EN 2175, received in the annealed condition and cold work during manufacture 4.3 Surface treatment EN 2516 Values in micrometres apply prior to surface treatment. Remove sharp edges 0,1 to 0,2. Key 1 Z: Number of g
26、rooves. The Pitch of groove = 2 aUnspecified dimensions: as plain form bAt manufacturers option cForm of groove at manufacturers option Figure 1 Plain form (code “P“) Grooved form (code “G“) a3,2 0,8 EN 4304:2005 (E) 6 Table 1 D1D2D3L2L3L4L5R Z Diameter codemax. min. 0,3 max. min. 0,5 0,5 + 0,25 0,0
27、5 040 3,999 3,96 6,5 4,499 4,474 1 1,12 5 5 050 4,999 4,96 7,8 5,499 5,474 1,32 5,5 060 5,999 5,96 9,7 6,499 7,4741,5 1,62 4 7 080 7,994 7,955 12,7 8,494 8,47 2 2,12 7 6 100 9,994 9,955 15,7 10,494 10,47 2,4 2,52 6 10 5 120 11,994 11,995 19,4 12,494 12,47 3 3,12 0,5 Table 2 Diameter code 040 050 060
28、 080 100 120 Length Form code acode L1050,+Mass b030 3 0,075 0,080 045 4,5 0,114 0,128 0,159 0,267 0,417 060 6 0,153 0,177 0,212 0,343 0,512 0,476 075 7,5 0,193 0,225 0,266 0,419 0,606 0,589 090 9 0,232 0,274 0,319 0,496 0,701 0,702 105 10,5 0,271 0,322 0,373 0,572 0,796 0,816 120 12 0,310 0,371 0,4
29、26 0,648 0,890 0,929 135 13,5 0,350 0,419 0,480 0,724 0,985 1,042 150 15 0,389 0,468 0,533 0,801 1,080 1,156 165 16,5 0,428 0,516 0,587 0,877 1,174 1,269 180 18 0,468 0,565 0,640 0,953 1,269 1,382 195 19,5 0,508 0,613 0,694 1,029 1,364 1,495 210 21 0,5547 0,662 0,747 1,106 1,459 1,608 225 22,5 0,586
30、 0,710 0,801 1,182 1,553 1,721 240 24 0,625 0,759 0,855 1,258 1,648 1,835 P 250 25 0,651 0,791 0,891 1,309 1,711 1,910 G 250 25 0,651 0,791 0,891 1,309 1,711 1,910 aSee Figure 1. bApproximate values (kg/1 000 pieces), calculated on the basis of 7,85 kg/dm3, given for information purposes onlyEN 4304
31、:2005 (E) 7 5 Designation EXAMPLE Description block SLEEVE Identity block EN4304P050045 Number of this standard Form code (see Table 2 and Figure 1) Diameter code (see Table 1) Length code (see Table 2) NOTE If necessary, the code I9005 shall be placed between the description block and the identity
32、block. 6 Marking EN 2424, style G 7 Technical specification 7.1 Manufacture The sleeves shall be formed by a drawing process from sheet or strip stock to form a one piece tubular section and head. 7.2 Surface appearance The sleeves shall be free from cracks, seams and laps. Under visual examination,
33、 the sleeves may show axial flow lines in the tubular section typical of a drawn sleeve. The flow lines shall be continuous at the fillet radius. A slight visible orange peel effect is also permissible. 7.3 Sampling In conformity with ISO 2859-1, using normal or reduced inspection methods. The accep
34、tance quality limit (AQL) is 1 %. BS EN 4304:2005BSI389 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 and at the international level. It is incorporated b
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