1、BRITISH STANDARD AEROSPACE SERIES BS EN 2258:1997 Circular tubes for fluids in aluminium and aluminium alloys Diameter 3,2 mm k D k 100 mm Thickness 0,6 mm k a k 2,5 mm Dimensions The European Standard EN 2258:1997 has the status of a British Standard ICS 49.040.10BSEN 2258:1997 This British Standar
2、d, having been prepared under the directionof the Engineering SectorBoard, was published underthe authority of the Standards Board and comes into effect on 15June1997 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference ACE/61 Draft for comment 95/702855
3、DC ISBN 0 580 26683 4 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ACE/61, Inspection and testing requirements for aerospace metallic materials, upon which the following bodies were represented: Aluminium Federation Br
4、itish Investment Casting Trade Association Copper Development Association Light Metal Founders Association Ministry of Defence National Physical Laboratory Society of British Aerospace Companies Limited UK Steel Association Amendments issued since publication Amd. No. Date CommentsBSEN 2258:1997 BSI
5、 11-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 0 Introduction 3 1 Scope 3 2 Normative references 3 3 Form 3 4 Recommended dimensions and mass 3 5 Tolerances 5 Figure 1 3 Table 1 4 Table 2 5 Table 3 5 Table 4 5 Table 5 5BSEN 2258:1997 ii BSI 11-1999
6、 National foreword This British Standard has been prepared by Technical Committee ACE/61 and is the English language version of EN2258:1997 Aerospace series Circular tubes for fluids in aluminium and aluminium alloys Diameter 3,2 mm k Dk100mm Thickness 0,6 mm k a k 2,5 mm Dimensions, published by th
7、e European Committee for Standardization (CEN). EN2258:1997was produced as a result of international discussions in which the United Kingdom took an active part. Cross-references The British Standards corresponding to the European Standards referred to in the text are identical in number and title w
8、ith those given in clause 2. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of p
9、ages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 5 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EU
10、ROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2258 January 1997 ICS 49.040.10 Descriptors: Aircraft industry, pipelines, pipes, tubes, aluminium, aluminium alloys, dimensions English version Aerospace series Circular tubes for fluids in aluminium and aluminium alloys Diameter 3,2 mm k D k 100 m
11、m Thickness 0,6 mm k a k 2,5 mm Dimensions Srie arospatiale Tubes circulaires pour canalisations en aluminium et alliages daluminium Diamtres 3,2 mm u Du 100mm Epaisseurs 0,6 mm u au 2,5mm Dimensions Luft- und Raumfahrt Runde Leitungsrohre aus Aluminium und Aluminiumlegierungen Durchmesser 3,2 mm u
12、D u 100 mm Wanddicken 0,6 mm u a u 2,5 mm Mae This European Standard was approved by CEN on 1996-08-04. 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.
13、 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. The European Standards exist in three official versions (English, French, German). A version in any other language made by translation u
14、nder 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, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Nethe
15、rlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 Copyright reserved to CEN members Ref. No. EN 2258:1997 EEN2
16、258:1997 BSI 11-1999 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and th
17、e 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 July 1997, and conflicting national standards shall be withd
18、rawn at the latest by July 1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherl
19、ands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.EN2258:1997 BSI 11-1999 3 0 Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. 1 Scope This standard
20、specifies the dimensions and tolerances of circular tubes for fluids in aluminium and aluminium alloys, diameter 3,2 mm k D k 100 mm, thickness 0,6 mm k a k 2,5 mm, for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from ot
21、her publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment o
22、r revision. For undated references the latest edition of the publication referred to applies. EN 3848, Aerospace series Semi-finished products Method of measuring form deviations 1) . EN 4258, Aerospace series Metallic materials General organization of standardization Links between types of EN stand
23、ards and their use 1) . 3 Form SeeFigure 1. 4 Recommended dimensions and mass 4.1 Diameter, thickness, section and mass SeeTable 1. 1) Published as AECMA Prestandard at the date of publication of this standard Figure 1 EN2258:1997 4 BSI 11-1999 Table 1 4.2 Length The order shall specify that circula
24、r tubes may be supplied in fixed or in random lengths. In the event of a supply of random length the minimum and maximum values for the lengths shall be specified on the order. D a Sections a Linear D a Sections a Linear Nominal Nominal of flow of annulus mass b Nominal Nominal of flow of annulus ma
25、ss b mm mm mm 2 mm 2 kg/m mm mm mm 2 mm 2 kg/m 3,2 0,6 3,14 4,90 0,0138 32 0,8 725,8 78,4 0,220 4 0,8 4,5 8,04 0,0225 32 1,0 706,9 97,4 0,273 5 0,6 11,3 8,29 0,023 32 1,2 688,1 116,1 0,325 5 0,8 9,1 10,55 0,030 32 1,6 651,4 152,8 0,428 6 0,6 18,1 10,2 0,029 32 2,0 615,7 188,5 0,528 6 0,8 15,2 13,1 0
26、,037 40 0,8 1158,1 98,5 0,276 6 1,0 12,6 15,7 0,044 40 1,0 1134,1 122,5 0,343 8 0,6 36,3 13,9 0,039 40 1,2 1110,4 146,3 0,409 8 0,8 32,2 18,1 0,051 40 1,6 1063,6 193,0 0,540 8 1,0 28,3 22,0 0,062 40 2,0 1017,9 238,8 0,669 10 0,6 60,8 17,7 0,050 50 0,8 1839,8 123,6 0,346 10 0,8 55,4 23,1 0,065 50 1,0
27、 1809,6 153,9 0,431 10 1,0 50,3 28,3 0,079 50 1,6 1720,2 243,3 0,681 10 1,2 45,4 33,2 0,093 50 2,0 1662,0 301,6 0,845 12 0,6 91,6 21,5 0,060 63 0,8 2960,9 156,3 0,438 12 0,8 84,9 28,1 0,079 63 1,0 2922,5 194,8 0,545 12 1,0 78,5 34,6 0,097 63 1,2 2884,3 232,9 0,652 12 1,2 72,4 40,7 0,114 63 1,6 2808,
28、6 308,6 0,864 12 1,6 60,8 52,3 0,146 63 2,0 2734,0 383,3 1,073 16 0,8 162,8 38,2 0,107 63 2,5 2642,1 475,2 1,330 16 1,0 153,9 47,1 0,132 70 0,8 3674,5 173,9 0,487 16 1,6 128,7 72,4 0,203 70 1,0 3631,7 216,8 0,607 20 0,8 265,9 48,2 0,135 70 1,2 3589,1 259,4 0,726 20 1,0 254,5 59,7 0,167 70 1,6 3504,6
29、 343,8 0,963 20 1,2 243,3 70,9 0,198 70 2,0 3421,2 427,3 1,196 20 1,6 221,7 92,5 0,259 80 1,6 4632,5 394,1 1,103 25 0,8 430,0 60,8 0,170 80 2,0 4536,5 490,1 1,372 25 1,0 415,5 75,4 0,211 80 2,5 4417,9 608,7 1,704 25 1,2 401,1 89,7 0,251 100 1,6 7359,4 494,6 1,385 25 1,6 373,2 117,6 0,329 100 2,0 723
30、8,2 615,7 1,724 100 2,5 7088,2 765,8 2,144 a For information b For information, calculated with a density of 2,8 kg/dm 3EN2258:1997 BSI 11-1999 5 5 Tolerances 5.1 Dimensional tolerances 5.1.1 Diameter See Table 2. Table 2 5.1.2 Thickness See Table 3. Table 3 5.1.3 Length See Table 4; only applicable
31、 to tubes supplied in fixed lengths Table 4 5.2 Geometric tolerances Straightness 5.2.1 Method of measurement and symbols See EN 3848. 5.2.2 Tolerances See Table 5. Table 5 Dimensions in millimetres Diameter Tolerances 3,2 k D k 16 0,06 16 1 000 Dimensions in millimetres Diameter Straightness deviat
32、ion Y 2on any length X 2 a 6 k D k 100 k 1,7 a X 2= 1 000 +3 0 +4 0 +6 0 +10 0BS EN 2258:1997 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at
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