ISO 04803-2021.docx

INTERNATIONA1.STANDARDISO4803editionSecond2021101.aboratoryg1.asswareBorosi1.icateg1.asstubingVerreriedeIaboratoireTubesenverreborosi1.icateCOPYRIGHTPROTECTEDDOCUMENT©ISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.orbmtndH0tf1.t×t'oni(nc4nmpe*Mqnrt<ifp5tcopyp>iat<)nmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountryoftherequester.f),WV>fifiHipB1.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11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(Siding)thickness26.3 1.ength26.4 Straightness2Bib1.iography8ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsthtiugh(ISOtchn0ibMriiRj)tvcekuPWf1.PbrjGgbOdy1.nrf1.rOaiiaHI6tanddki4oTOWhidb'carrtedimitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO.a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare。智SFR½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.opmerUW4io÷uwMM41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(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¾es地w¼w.isO.orgiso/forewordhtm1.ThisdocumentwaspreparedbyTechnica1.CommitteeISO/TC48,1.aboratoryequipment.Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO4803:1978),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreviouseditionareasfo1.1.ows:updateofthedimensionsandto1.erances;d/&厢ifWtMnCoMMtftvcandprecisedescriptionofthementionedqua1.ityCharactehsticsandAnyfeedbackorquestionsonthisdocumentshou1.dbedirectedtotheuser'snationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefound3twww4MheFg三eHbeRM三).Introductionresistance.Borosi1.icateveryg1.asseshydro1.yticresistance,averyhighacidresistanceThea1.ka1.i-eartha1.ka1.iphysica1.ProPertieSStandard,materia1.inref1.ectedbythestandardizationofthecomposition,chemica1.andthermoindustriesresistance.Theotherapp1.icationapp1.icationsIaboratoriespropertiescheniica1.,pharmaceutica1.Borosi1.icateg1.assisac1.assofg1.ass,whichisc1.assifiedinISO12775.Borosi1.icateg1.assesshowpropertiessuchhighcancontaina1.ka1.iearthsorbefreeofa1.ka1.iearths,andmediumfreeborosi1.icateg1.asseshaveavery1.owcoefficientofmean1.ineartherma1.expansiona1.phaof3,3×10-6K-(inthetemperaturerangefrom20to300),Theywerefirstdeve1.opedin1887andconstitutesincethenanindustria1.ofthewhichisISO3585.Thesespecia1.characteristicsmakethisg1.asspreferab1.efortechnica1.purposeswithhighchemica1.andandfoodshockwe1.1.asfie1.dOftechnica1.Hiain1.ywheretheseforareneeded.1.aboratoryg1.assware-Borosi1.icateg1.asstubing1 Scopedimensions,apparatusdenomination,designation,requiremen1.sandinspectionme1.hods.documen1.defines2 NormativereferencesconstitutesrequirementS1.ateStCditiondocurncntxeferencedreferences,(inc1.udingamendments)app1.ies.app1.ies.ISOTermsanddefinitionsPropertiesNotermsanddefinitionsare1.istedinthisdocument.4DesignationTheMateria1.categoriesofwa1.1.thicknessspecifiedsha1.1.hedenotedas1.ight,mediumandheavy.5.1 Genera1.defects.harmfu1.tensionsandtheirapp1.icabi1.itysha1.1.neitherbeimpairedbystriaenorotherg1.ass5.2 Hydro1.yticresistancethanTherma1.coefficientofexpansionTheg1.asssha1.1.haveatherma1.coefficientofexpansionof(3,3±0,1)×10-6K-overatemperaturerangeThisdocumentspecifiesrequirementsforborosi1.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