1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 3278:2012Aerospace series Sleeves, tubular, protruding head, in corrosion resisting steel, passivated (0,25 mm wall thickness)BS EN 3278:2012 BRITISH STANDARDNational forew
2、ordThis British Standard is the UK implementation of EN 3278:2012. The UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems. A list of organizations represented on this committee can be obtained on request to its secretary.This pub
3、lication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 75715 0 ICS 49.030.99 Compliance with a British Standard cannot confer immun
4、ity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2012.Amendments issued since publicationDate T e x t a f f e c t e dBS EN 3278:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3278 March 2012 ICS 49
5、.030.99 English Version Aerospace series - Sleeves, tubular, protruding head, in corrosion resisting steel, passivated (0,25 mm wall thickness) Srie arospatiale - Douilles tubulaires, tte saillante en acier rsistant la corrosion, passiv (paisser de paroi 0,25 mm) Luft- und Raumfahrt - Hlsen, bersteh
6、ender Kopf, aus korrosionsbestndigem Stahl, passiviert (Wanddicke 0,25 mm) This European Standard was approved by CEN on 24 August 2011. 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
7、 standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version
8、 in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czec
9、h Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION CO
10、MIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3278:2012: EBS EN 3278:2012EN 3278:2012 (E) 2 Contents Page Forew
11、ord . 31 Scope 42 Normative references . 43 Definitions 44 Required characteristics 44.1 Configuration Dimensions Tolerances 44.2 Surface roughness 44.3 Material . 44.4 Surface treatment 45 Designation 76 Marking. 77 Technical requirements 77.1 Manufacture . 77.2 Surface appearance 77.3 Sampling 7BS
12、 EN 3278:2012EN 3278:2012 (E) 3 Foreword This document (EN 3278:2012) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the a
13、pproval of the National Associations and the Official Services of the member countries of ASD, 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 September 2012, and
14、 conflicting national standards shall be withdrawn at the latest by September 2012. 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. Ac
15、cording to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
16、Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3278:2012EN 3278:2012 (E) 4 1 Scope This European standard specifies the characteristics and technical requirements for pr
17、otruding head tubular sleeves, in corrosion resisting steel, which may be plain or provided with a series of annular grooves. They are for use in aerospace assemblies whose maximum operating temperature does not exceed 650 C. 2 Normative references The following documents, in whole or in part, are n
18、ormatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2175, Aerospace series - Heat resisting alloy FE-PA2602
19、 (X4NiCrTiMoV26-15) - Solution treated and precipitation treated - Sheet, strip and plate - 0,5 mm = 850 MPa EN 2424, Aerospace series Marking of aerospace products EN 2516, Aerospace series Passivation of corrosion resistant steels ISO 2859 (all parts), Sampling procedures for inspection by attribu
20、tes 3 Definitions 3.1 Crack: Rupture in the material 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 material. 3.3 Lap: Surface defect caused by folding over metal fins or
21、sharp corners and then rolling or forging them into the surface. 4 Required characteristics 4.1 Configuration Dimensions Tolerances The configuration shall be in accordance with the figure; the dimensions and tolerances shall conform to the values shown in the figure and in tables 1 and 2 after pass
22、ivation. 4.2 Surface roughness See figure. The values apply after passivation. 4.3 Material Steel EN 2175, received in the annealed condition and cold worked during manufacture. 4.4 Surface treatment Passivation EN 2516. BS EN 3278:2012EN 3278:2012 (E) 5 Values in micrometres apply prior to surface
23、treatment. Plain form (code “P“) Grooved form (code “G“) Key 1 Unspecified dimensions: as plain form a Ref. b Pitch of grooves c Form of groove at manufacturers option d Enlarged Figure 1 Configuration BS EN 3278:2012EN 3278:2012 (E) 6 Table 1 Dimensions Dimensions in millimetres Diameter code D E F
24、 H K max. min. max. min. 0,3 0,5 0,5 040 3,999 3,960 4,499 4,474 8,5 3 4 050 4,999 4,960 5,499 5,474 10 3 5,5 060 5,999 5,960 6,499 6,474 11,5 4,5 7 080 7,994 7,955 8,494 8,470 14,5 6 7 100 9,994 9,955 10,494 10,470 17,5 7,5 10 Table 2 Lengths and masses Dimensions in millimetres Diameter code 040 0
25、50 060 080 100 Form Length Mass Code L5,00+kg/1 000 pieces aPlain 030 3 0,167 0,215 045 4,5 0,206 0,264 0,325 060 6 0,246 0,312 0,383 0,489 075 7,5 0,285 0,361 0,441 0,565 0,799 090 9 0,325 0,410 0,499 0,642 0,894 105 10,5 0,364 0,459 0,557 0,719 0,989 120 12 0,404 0,508 0,615 0,795 1,085 135 13,5 0
26、,443 0,556 0,673 0,872 1,180 150 15 0,483 0,605 0,731 0,949 1,276 165 16,5 0,520 0,654 0,790 1,025 1,371 180 18 0,562 0,703 0,848 1,102 1,466 195 19,5 0,601 0,751 0,906 1,179 1,562 210 21 0,641 0,800 0,964 1,256 1,657 225 22,5 0,680 0,849 1,022 1,332 1,753 240 24 0,720 0,898 1,080 1,409 1,848 255 25
27、,5 0,759 0,947 1,138 1,486 1,943 Grooved 25 0,747 0,931 1,119 1,460 1,912 aCalculated on basis of 7,95 kg/dm3. BS EN 3278:2012EN 3278:2012 (E) 7 5 Designation Each sleeve shall only be designated as in the following example: Description blockSLEEVE Identity blockEN 3278 P 040 045 Number of EN Standa
28、rd P = Form code (See figure) 040 = diameter code (See table 1) 045 = length code (See table 2) Where the following codes apply: P = plain form G = grooved form NOTE If necessary, the originator code S 9005 may be introduced between the description block and the identity block. 6 Marking EN 2424, st
29、yle G. In addition, the quantity shall be stated on the package. 7 Technical requirements 7.1 Manufacture The sleeve 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 la
30、ps. Under visual examination, the sleeve 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, using normal or reduced ins
31、pection methods. The acceptable quality level (AQL) is 1 %. This page deliberately left blankThis page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view o
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