1、BRITISH STANDARD AEROSPACE SERIES BS EN 2344:2001 Round bars, machined in heat resisting alloys Diameter 10 mm D 180 mm Dimensions The European Standard EN 2344:2001 has the status of a British Standard ICS 49.025.99 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 2344:20
2、01 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 23 October 2001 BSI 23 October 2001 ISBN 0 580 38604 X National foreword This British Standa
3、rd is the official English language version of EN 2334:2001. 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 committ
4、ee can be obtained on request 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 usin
5、g the “Find” facility of 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
6、from legal obligations. 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
7、 of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover 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 CommentsEUR
8、OPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2344 September2001 ICS49.025.99 Englishversion AerospaceseriesRoundbars,machinedinheatresisting alloysDiameter10mm D 180mmDimensions SriearospatialeBarresrondes,usinesenalliages rsistantchaudDiamtres10mm D 180mm Dimensions LuftundRaumfahrtRundstangen,bea
9、rbeitetaus hochwarmfestenLegierungenDurchmesser10mm D 180mmMae ThisEuropeanStandardwasapprovedbyCENon2May2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbib
10、liographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifie
11、dtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTAN
12、DARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2344:2001EEN2344:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEurope
13、anAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestat
14、usofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyMarch2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyMarch2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEurop
15、eanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN2344:2001(E) 3 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplication
16、s.Thegeneral organizationofthisseriesisdescribedinEN4258. 1 Scope Thisstandardspecifiesthedimensionsandtolerancesof: Roundbars,machined inheatresistingalloys Diameter10mm D 180mm foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromot
17、herpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latested
18、itionofthepublicationreferredtoapplies. EN3848 AerospaceseriesSemifinishedmetallicproductsMethodofmeasuringformdeviations EN 4258 AerospaceseriesMetallicmaterialsGeneralorganizationofstandardizationLinks betweentypesofENstandardsandtheiruse 3 Form Seefigure1. Figure1EN2344:2001(E) 4 4 Recommendeddim
19、ensionsandmass 4.1 Diameterandmass Seetable1. Table1 Nominal D mm Linearmass a kg/m 10 0,64 12 0,92 14 1,25 16 1,63 18 2,06 20 2,54 22 3,08 25 3,98 28 4,99 32 6,51 36 8,24 40 10,2 45 12,9 50 15,9 56 20,0 63 25,2 70 31,2 80 40,7 90 51,5 100 63,6 110 77,0 125 99,4 140 125 150 143 180 206 a Forinformat
20、ion,calculatedwithadensityof8,1kg/dm 3 4.2 Length Theordershallspecifyifbarsaretobesuppliedinfixedorinrandomlengths.Intheeventofasupplyof randomlengthstheminimumandmaximumvaluesforthelengthsshallbespecifiedontheorder.EN2344:2001(E) 5 5 Tolerances 5.1 Dimensionaltolerances 5.1.1 Diameter Seetable2. T
21、able2 Dimensionsinmillimetres Diameter Tolerances 10 D 18 0,7 0 18 D 30 0,84 0 30 D 50 1,0 0 50 D 80 1,2 0 80 D 120 1,4 0 120 D 180 1,6 0 5.1.2 Length Seetable3,onlyapplicabletobarssuppliedinfixedlengths. Table3 Dimensionsinmillimetres Length Tolerances 500 5 0 500 0,01 0 5.2 Geometrictolerances 5.2
22、.1 Straightness 5.2.1.1 Methodofmeasurementandsymbols SeeEN3848.EN2344:2001(E) 6 5.2.1.2 Tolerances Seetable4. Table4 Dimensionsinmillimetres Diameter Straightnessdeviation Y 1 permetre 10 D 180 4 5.2.2 Roundness 5.2.2.1 Methodofmeasurement SeeEN3848. 5.2.2.2 Tolerances Roundnessdeviationshallbecont
23、ainedwithinthediametertolerances.BS EN 2344:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorpora
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