1、BRITISH STANDARD AEROSPACE SERIES BS EN 3145:2002 Round bars, hot rolled in steel Normal tolerances Diameter 6mm D 250 mm Dimensions The European Standard EN 3145:2001 has the status of a British Standard ICS 49.025.10; 49.035 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS
2、EN 3145:2002 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 11 January 2002 BSI 11 January 2002 ISBN 0 580 37999 X National foreword This Brit
3、ish Standard is the official English language version of EN 3145:2001. 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 th
4、is committee 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”,
5、or by using 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
6、 immunity 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 U
7、K. Summary 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 C
8、ommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3145 December2001 ICS49.025.10 Englishversion AerospaceseriesRoundbars,hotrolledinsteelNormal tolerancesDiameter6mm D 250mmDimensions SriearospatialeBarresrondes,lamineschauden acierTolrancesnormalesDiamtres6mm D 250 mmDimensions LuftundRaumfah
9、rtRundstangen,warmgewalztaus StahlNormaleToleranzenDurchmesser6mm D 250mmMae ThisEuropeanStandardwasapprovedbyCENon2May2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptod
10、atelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlang
11、uageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCO
12、MMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3145:2001EEN3145:2001(E) 2 Foreword ThisEuropeanStandardhasbeenprepa
13、redbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshall
14、begiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyJune2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyJune2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplem
15、entthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN3145:2001(E) 3 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstandardsforaerospac
16、eapplications.Thegeneral organizationofthisseriesisdescribedinEN4258. 1 Scope Thisstandardspecifiesthedimensionsandtolerancesof: Roundbars,hotrolled insteel Normaltolerances Diameter6mm D 250mm foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferencep
17、rovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferen
18、cesthe latesteditionofthepublicationreferredtoapplies. EN3848 AerospaceseriesSemifinishedmetallicproductsMethodofmeasuringformdeviations EN4258 AerospaceseriesMetallicmaterialsGeneralorganizationofstandardizationLinks betweentypesofENstandardsandtheiruse 3 Form Seefigure1. Figure1EN3145:2001(E) 4 4
19、Recommendeddimensionsandmass 4.1 Diameterandmass Seetable1. Table1 Nominal D mm Linearmass a kg/m 6 0,222 8 0,3955 10 0,617 12 0,888 14 1,21 16 1,58 18 2,00 20 2,47 22 2,98 24 3,55 25 3,85 26 4,17 28 4,83 30 5,55 32 6,31 34 7,13 36 7,99 38 8,90 40 9,96 42 10,9 45 12,5 50 15,4 60 22,2 65 26,0 70 30,2
20、 75 34,7 80 39,5 90 49,9 100 61,7 120 88,8 125 96,3 140 121 150 139 160 158 180 200 200 247 250 385 a Forinformation,calculatedwithadensityof7,85kg/dm 3EN3145:2001(E) 5 4.2 Length Theordershallspecifyifbarsaretobesuppliedinfixedorinrandomlengths.Intheeventofasupplyof randomlengthstheminimumandmaximu
21、mvaluesforthelengthsshallbespecifiedontheorder. 5 Tolerances 5.1 Dimensionaltolerances 5.1.1 Diameter Seetable2. Table2 Dimensionsinmillimetres Diameter Tolerances 6 D 15 0,4 15 D 25 0,5 25 D 35 0,6 35 D 50 0,8 50 D 80 1 80 D 100 1,3 100 D 120 1,5 120 D 160 2 160 D 200 2,5 200 D 250 3,0 5.1.2 Length
22、 Seetable3,onlyapplicabletobarssuppliedinfixedlengths. Table3 Dimensionsinmillimetres Length Tolerance 6000 10 0 5.2 Geometrictolerances 5.2.1 Straightness 5.2.1.1 Methodofmeasurementandsymbols SeeEN3848.EN3145:2001(E) 6 5.2.1.2 Tolerances Seetable4. Table4 Dimensionsinmillimetres Straightnessdeviat
23、ion: Diameter Y 1 permetre Y 2 onanylength X 2 a 6 D 80 4 1,2 80 D 250 2,5 0,75 a X2 300 5.2.2 Roundness 5.2.2.1 Methodofmeasurement SeeEN3848. 5.2.2.2 Tolerances Seetable5. Table5 Dimensionsinmillimetres Diameter Roundnessdeviation 6 D 15 0,32 15 D 25 0,4 25 D 35 0,48 35 D 50 0,64 50 D 80 0,8 80 D
24、100 1,04 100 D 120 1,2 120 D 160 1,6 160 D 200 2,0 200 D 250 2,4BS EN 3145:2002 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 inter
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