1、BRITISH STANDARD AEROSPACE SERIES BS EN 2622:2001 Circular tubes, for fluids in heat resisting alloys Diameter 3,2mm D 100mm Dimensions The European Standard EN 2622:2001 has the status of a British Standard ICS 49.025.99; 49.035 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
2、BS EN 2622:2001 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 22 October 2001 BSI 22 October 2001 ISBN 0 580 38002 5 National foreword This B
3、ritish Standard is the official English language version of EN 2622:2001. 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
4、 this 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 con
6、fer 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 th
7、e UK. 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. Dat
8、e CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2622 September2001 ICS49.080 Englishversion AerospaceseriesCirculartubes,forfluidsinheatresisting alloysDiameter3,2mm D 100mmDimensions SriearospatialeTubescirculaires,pourcanalisations enalliagesrsistantchaudDiamtres3,2mm D 100mmDimensions
9、LuftundRaumfahrtRundeLeitungsrohreaus hochwarmfestenLegierungenDurchmesser3,2mm D 100mmMae ThisEuropeanStandardwasapprovedbyCENon2May2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyal
10、teration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmember
11、intoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingd
12、om. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2622:2001EEN2622:2001(E) 2 Foreword ThisEuropeanStanda
13、rdhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropea
14、nStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyMarch2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyMarch2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countries
15、areboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN2622:2001(E) 3 0 Introduction ThisstandardispartoftheseriesofENmetallicmaterialstan
16、dardsforaerospaceapplications.Thegeneral organizationofthisseriesisdescribedinEN4258. 1 Scope Thisstandardspecifiesthedimensionsandtolerancesof: Circulartubes,forfluids inheatresistingalloys Diameter3,2mm D 100mm foraerospaceapplications. 2 Normativereferences ThisEuropeanStandardincorporatesbydated
17、orundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevisio
18、n.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN3848 AerospaceseriesSemifinishedmetallicproductsMethodofmeasuringformdeviations. EN4258 AerospaceseriesMetallicmaterialsGeneralorganizationofstandardizationLinksbetween typesofENstandardsandtheiruse 3 Form Seefigure1. Figure
19、1EN2622:2001(E) 4 4 Recommendeddimensionsandmass 4.1 Diameter,thicknessandmass Seetable1. Table1 Linearmass a inkg/m fornominal ainmm: Nominal D mm 0,32 0,40 0,50 0,60 0,80 1,00 1,20 1,60 2,00 2,50 3,2 0,023 0,029 0,034 4,0 0,030 0,037 0,045 0,052 5,0 0,047 0,057 0,067 0,086 6,0 0,057 0,070 0,082 0,
20、106 8,0 0,077 0,095 0,113 0,147 10,0 0,098 0,121 0,144 0,187 0,229 12,0 0,118 0,146 0,174 0,228 0,280 16,0 0,159 0,197 0,235 0,309 0,382 0,452 0,586 20,0 0,296 0,391 0,483 0,574 0,749 25,0 0,373 0,493 0,611 0,727 0,953 1,171 1,431 32,0 0,635 0,789 0,941 1,238 1,527 1,877 40,0 0,798 0,992 1,185 1,563
21、 1,934 2,386 50,0 1,002 1,247 1,490 1,971 2,443 3,022 63,0 1,266 1,578 1,887 2,5 3,105 3,849 80,0 2,010 2,406 3,192 3,970 4,930 100,0 4,006 4,988 6,203 a Forinformation,calculatedwithadensityof8,1kg/dm 3 4.2 Length Theordershallspecifyiftubesaretobesuppliedinfixedorinrandomlengths.Intheeventofasuppl
22、yof randomlengthstheminimumandmaximumvaluesforthelengthsshallbespecifiedontheorder. 5 Tolerances 5.1 Dimensionaltolerances 5.1.1 Diameter Seetable2. Table2 Dimensionsinmillimetres Diameter Tolerances 3,2 D 32 0,08 32 D 50 0,10 50 D 63 0,13 63 D 80 0,18 80 D 100 0,20EN2622:2001(E) 5 5.1.2 Thickness S
23、eetable3. Table3 Dimensionsinmillimetres Thickness Tolerances 0,32 a 0,5 0,04 0,5 a 1,2 0,05 1,2 a 1,6 0,06 1,6 a 2,0 0,08 2,0 a 2,5 0,10 5.1.3 Length Seetable4,onlyapplicabletotubessuppliedinfixedlengths. Table4 Dimensionsinmillimetres Length Tolerances 1000 0,05 0 1000 0,1 0 5.2 Geometrictolerance
24、s 5.2.1 Straightness 5.2.1.1 Methodofmeasurementandsymbols SeeEN3848. 5.2.1.2 Tolerances Seetable5. Table5 Dimensionsinmillimetres Diameter Straightnessdeviation Y 1 permetre 3,2 D 100 2EN2622:2001(E) 6 5.2.2 Roundness 5.2.2.1 Methodofmeasurementandsymbol SeeEN3848. 5.2.2.2 Tolerances Roundnessdevia
25、tionshallbecontainedwithintheoutsidediametertolerances. 5.2.3 Eccentricity 5.2.3.1 Methodofmeasurementandsymbol SeeEN3848. 5.2.3.2 Tolerances Eccentricityshallbecontainedwithinthethicknesstolerances.BS EN 2622:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the
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