1、BRITISH STANDARD AEROSPACE SERIES BS EN 2049:2001 Aerospace series Extruded channel section, in aluminium alloys Dimensions The European Standard EN 2049:2001 has the status of a British Standard ICS 49.025.20; 49.035 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 2049:2
2、001 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 September 2001 BSI 07-2001 ISBN 0 580 38015 7 National foreword This British Standard is the official Engl
3、ish language version of EN 2049:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/61, Inspection and testing requirements for aerospace metallic materials, which has the responsibility to: A list of organizations represented on this committee can be obtained on r
4、equest 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 Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility o
5、f the BSI Standards Electronic Catalogue. 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.
6、 aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document
7、 comprises a front cover, an inside front cover, the EN title page, pages 2 to 5, and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM
8、EN2049 June2001 ICS49.025.20 Englishversion AerospaceseriesExtrudedchannelsection,inaluminium alloysDimensions SriearospatialeProfilsenUfils,enalliages daluminiumDimensions LuftundRaumfahrtGepreteUProfile,aus AluminiumlegierungenMae ThisEuropeanStandardwasapprovedbyCENon2May2001. CENmembersareboundt
9、ocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEurope
10、anStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepub
11、lic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrigh
12、tsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2049:2001EPage2 EN2049:2001 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStan
13、dardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2001,andconflictingnationalstanda
14、rdsshallbe withdrawnatthelatestbyDecember2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlan
15、ds,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page3 EN2049:2001 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organizationofthisseriesisdescribedinEN4258. 1 Scope Thisstandardspecifiesthedimensionsandtolerancesof: Extru
16、dedchannelsection inaluminiumalloys foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subseq
17、uentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN2066 AerospaceseriesExtrudedsectioninaluminiumandaluminiumalloysGeneraltolerances EN4258 Aerospaceser
18、iesMetallicmaterialsGeneralorganizationofstandardizationLinksbetween typesofENstandardsandtheiruse 3 Form Seefigure1. Figure1Page4 EN2049:2001 4 Recommendeddimensionsandmass 4.1 Height,width,thicknessandmass Seetable1. Table1 Dimensionsandtolerances mm HBS Linearmass a kg/m 15 0,25 15 0,25 2 0,20 0,
19、23 20 0,35 20 0,35 2 0,20 0,31 25 0,40 16 0,30 1,2 0,18 0,18 25 0,40 16 0,30 1,6 0,20 0,24 25 0,40 25 0,40 2,5 0,20 0,49 30 0,50 30 0,50 3 0,25 0,70 32 0,50 16 0,30 1,6 0,20 0,27 32 0,50 16 0,30 2,0 0,20 0,34 32 0,50 20 0,35 1,6 0,20 0,31 32 0,50 20 0,35 2,0 0,20 0,38 40 0,50 20 0,35 2,0 0,20 0,43 4
20、0 0,50 20 0,35 2,5 0,20 0,53 40 0,50 20 0,35 3 0,25 0,62 40 0,50 25 0,40 2,0 0,20 0,49 40 0,50 25 0,40 2,5 0,20 0,60 40 0,50 25 0,40 3 0,25 0,71 40 0,50 40 0,50 4 0,25 1,25 50 0,50 25 0,40 2 0,20 0,54 50 0,50 25 0,40 2,5 0,20 0,67 50 0,50 25 0,40 3,2 0,25 0,84 50 0,50 30 0,50 3 0,25 0,87 50 0,50 30
21、0,50 4 0,25 1,14 50 0,50 32 0,50 2,5 0,20 0,77 50 0,50 32 0,50 3,2 0,25 0,98 60 0,70 30 0,50 3 0,25 0,96 60 0,70 30 0,50 4 0,25 1,25 60 0,70 40 0,50 4 0,25 1,48 60 0,70 40 0,50 5 0,25 1,82 63 0,70 32 0,50 3,2 0,25 1,1 63 0,70 32 0,50 4,0 0,25 1,4 63 0,70 40 0,50 3,2 0,25 1,2 63 0,70 40 0,50 4,0 0,25
22、 1,5 80 0,70 40 0,50 4,0 0,25 1,7 80 0,70 40 0,50 5,0 0,25 2,1 80 0,70 50 0,50 4,0 0,25 1,9 80 0,70 50 0,50 5,0 0,25 2,4 100 0,85 50 0,50 5,0 0,25 2,7 100 0,85 50 0,50 6 0,30 3,16 100 0,85 63 0,70 6 0,30 3,60 125 1,0 63 0,70 5 0,25 3,37 125 1,0 63 0,70 6 0,30 4,02 125 1,0 63 0,70 6,3 0,30 4,4 125 1,
23、0 80 0,70 6 0,30 4,69 125 1,0 80 0,70 8 0,30 6,03 (continued)Page5 EN2049:2001 Table1 (concluded) Dimensionsandtolerances mm HBS Linearmass a kg/m 140 1,20 70 0,70 8 0,30 9,91 140 1,20 70 0,70 10 0,30 7,28 140 1,20 90 0,85 8 0,30 6,81 140 1,20 90 0,85 10 0,30 8,40 160 1,20 80 0,70 8 0,30 6,81 160 1,
24、20 80 0,70 10 0,30 8,40 160 1,20 100 0,85 8 0,30 7,71 160 1,20 100 0,85 10 0,30 9,52 200 1,50 100 0,85 12 0,30 12,66 200 1,50 125 1,0 16 0,30 18,73 250 1,50 100 0,85 16 0,30 18,73 250 1,50 125 1,0 14 0,30 18,50 250 1,50 125 1,0 16 0,30 21,81 a Forinformation,calculatedwithadensityof2,8kg/dm 3 4.2 Be
25、adedradii a) dimensions R 1 = S R 2 = S 4 b) tolerances SeeEN2066. 4.3 Length SeeEN2066. 5 Geometrictolerances SeeEN2066.BS EN 2049:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It pre
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