ISO 04803-2021.docx

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1、INTERNATIONA1.STANDARDISO4803editionSecond2021101.aboratoryg1.asswareBorosi1.icateg1.asstubingVerreriedeIaboratoireTubesenverreborosi1.icateCOPYRIGHTPROTECTEDDOCUMENTISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.orbmtndH0tf1.ttoni(nc4nmpe*MqnrtiatfifiHipB1.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.1

2、1觥曲ite：图洲跳触OQrgPub1.ishedinSwitzer1.andContentsForewordivIntroductionv2 Scope13 Normativereferences14 Termsanddefinitions15 Designation1Materia)15.1 Genera1.152HydrO1.yt1.C6Rangeofsizesandto1.erances26.1 Diameterandwa1.1.thickness26.1.1 Determinationofouterdiameter26.2 WM1.ZhiCt)MOtditfmti(ERMf(Sidi

3、ng)thickness26.3 1.ength26.4 Straightness2Bib1.iography8ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsthtiugh(ISOtchn0ibMriiRj)tvcekuPWf1.PbrjGgbOdy1.nrf1.rOaiiaHI6tanddki4oTOWhidbcarrtedimitteehasbeenestab1.ishedhastherighttoberepresentedonth

4、atcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO.a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintended

5、foritsfurthermaintenanceare。智SFR幽of1.SO1.EC(VifY1.的M51bFhtheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/direc1.ives).RMonrights.dE小脚蝴橱卿SnSi嘏趣出即的植般眈doc1.三梯眶牌甲辰subjectofanypatentrightsidentifiedduringthedeve1.opmerUW4iouwMM41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsr

6、eceived(seewww.iso.org/patents).Anytradeusedinthisconstitutenameendorsement.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsandU明泉加OrRan里幅5悯SaSS忠!S窿inwJ憎ftknBar池部Udead焦es地ww.isO.orgiso/forewordhtm1.Thisdocument

7、waspreparedbyTechnica1.CommitteeISO/TC48,1.aboratoryequipment.Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO4803:1978),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreviouseditionareasfo1.1.ows:updateofthedimensionsandto1.erances;d/&厢ifWtMnCoMMtftvcandprecisedescriptionofthe

8、mentionedqua1.ityCharactehsticsandAnyfeedbackorquestionsonthisdocumentshou1.dbedirectedtotheusersnationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefound3twww4MheFg三eHbeRM三).Introductionresistance.Borosi1.icateveryg1.asseshydro1.yticresistance,averyhighacidresistanceThea1.ka1.i-eartha1.ka1.i

9、physica1.ProPertieSStandard,materia1.inref1.ectedbythestandardizationofthecomposition,chemica1.andthermoindustriesresistance.Theotherapp1.icationapp1.icationsIaboratoriespropertiescheniica1.,pharmaceutica1.Borosi1.icateg1.assisac1.assofg1.ass,whichisc1.assifiedinISO12775.Borosi1.icateg1.assesshowpro

10、pertiessuchhighcancontaina1.ka1.iearthsorbefreeofa1.ka1.iearths,andmediumfreeborosi1.icateg1.asseshaveavery1.owcoefficientofmean1.ineartherma1.expansiona1.phaof3,310-6K-(inthetemperaturerangefrom20to300),Theywerefirstdeve1.opedin1887andconstitutesincethenanindustria1.ofthewhichisISO3585.Thesespecia1

11、.characteristicsmakethisg1.asspreferab1.efortechnica1.purposeswithhighchemica1.andandfoodshockwe1.1.asfie1.dOftechnica1.Hiain1.ywheretheseforareneeded.1.aboratoryg1.assware-Borosi1.icateg1.asstubing1 Scopedimensions,apparatusdenomination,designation,requiremen1.sandinspectionme1.hods.documen1.define

12、s2 NormativereferencesconstitutesrequirementS1.ateStCditiondocurncntxeferencedreferences,(inc1.udingamendments)app1.ies.app1.ies.ISOTermsanddefinitionsPropertiesNotermsanddefinitionsare1.istedinthisdocument.4DesignationTheMateria1.categoriesofwa1.1.thicknessspecifiedsha1.1.hedenotedas1.ight,mediuman

13、dheavy.5.1 Genera1.defects.harmfu1.tensionsandtheirapp1.icabi1.itysha1.1.neitherbeimpairedbystriaenorotherg1.ass5.2 Hydro1.yticresistancethanTherma1.coefficientofexpansionTheg1.asssha1.1.haveatherma1.coefficientofexpansionof(3,30,1)10-6K-overatemperaturerangeThisdocumentspecifiesrequirementsforboros

14、i1.icate3,3g1.asstubingaccordingtoISO3585for1.aboratorymateria1.,outerdiameterrangefrom4to300mm.ThisThefo1.1.owingdocumentsarereferredtointhetextinSUChawaythatsomeora1.1.oftheircontentundatedreferences,theofthisoftheFordateddocumenton1.ytheanyeditioncitedForISO719,G1.assHydro1.y1.icresistanceofg1.assgrainsat98Methodoftestandc1.assification33585,Borosi1.icateg1.ass3.3ISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses:IECE1.ectropedia:avai1.ab1.eathttps:/www.e1.ectropedia.org/Tubingsh