ISO-13920

DFIJTSCHENORMNovember1996GeneraltolerancesforweldedconstructionsTolerancesforlengths,angles,shapeandPositionDIN(ISO13920:1996)EnglishVersionofDINENISO13920ENISO13920ThisStandardincorporatestheEnglishVersionofIso13920.ICS25.160.00Descriptors:Tolerances,welding.Schweißen-AllgemeintoleranzenfürSchweißkonstruktionen-LängenundWinkelmaße,FormundLage(ISO13920:1996)SupersedesDIN8570-1andeditions.DIN8570-3,October1987EuropeanStandardENISO13920:1996hastheStatusofaDINStandard.Acommaisusedasthedecimalmarker.NationalforewordThisStandardhasbeenpublishedinaccordancewithadecisiontakenbyCEN/TC121toadopt,withoutalteration,InternationalStandardISO13920asaEuropeanStandard.TheresponsibleGerrnanbodyinvolvedinitspreparationwastheNormenausschußSchweißtechnik(WeldingStandardsCornrnittee).TheDINStandardscorrespondingtotheInternationaVEuropeanStandardsreferredtoinclause2oftheENareasfollows:ISO3599EDINEN13385ISO6906EDINEN13385ISO8015EDINISO8015ISO/DIS463EDINENISO463prENISO1101EDINISO1101AmendmentsDIN8570-1andDIN8570-3,October1987editions,havebeensupersededbythespecificationsofENISO13920,whichisidenticaltoISO13920.ToleranceclassZhasbeendropped.PreviouseditionsDIN8570-1:1971-04,1974-10,1987-10;DIN8570-3:1974-10,1987-10;DIN25029:1962-04.Standardsreferredto(andnotincludedinNormativereferences)EDINEN13385GeometricalProductSpecifications(GPS)-Dimensionalmeasuringinstrurnents-Verniercallipers-DesignandrnetrologicalrequirementsGeometricalProductSpecifications(GPS)-Dimensionalmeasuringinstrurnents-Dia1gauges-Designandmetro-logicalrequirementsEDINENISO463ENcomprises5pages.@NoPartofthisStandardrnaybereproducedwithoutthepriorpermlssionofRef.No.DINEN/SO13920:7996-17DINDeutschesInstitutfürNormunge.V.,Berlin.BeuthVerlagGmbH,Berlln,hastheexcluscverlghtofsaleforGerrnanStandards(DIN-Normen).Pricegroup07WesNo.110707.970EUROPEANSTANDARDNORMEEUROPEENNEEUROPÄISCHENORMENISO13920August1996~ICS25.160.00Descriptors:Tolerances,welding.EnglishVersionWeldingGeneraltolerancesforweldedconstructionsDimensionsforlengths,angles,shapeandPosition(ISO13920:1996)Soudage-TolerantesgeneralesrelativesSchweißen-Allgemeintoleranzenfürauxconstructionssoudees-DimensionsSchweißkonstruktionen-Längenunddeslongeursetangles,forrnesetposi-Winkelmaße,FormundLagetions(ISO13920:1996)(ISO13920:1996)ThisEuropeanStandardwasapprovedbyCENon1995-06-20andisidenticaltotheISOStandardasreferredto.CENmernbersareboundtocornplywiththeCENKENELECInterna1RegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalStandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsrnaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AVersioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENrnemberintoitsownlanguageandnotifiedtotheCentralSecretariathastheSamestatusastheofficialversions.CENmernbersarethenationalstandardsbodiesofAustria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Por-tugal,Spain,Sweden,Switzerland,andtheUnitedKingdorn.GENEuropeanCommitteeforStandardizationComiteEuropeendeNormalisationEuropäischesKomiteefürNormungCentralSecretariat:ruedeStassart36,B-1050Brussels01996.CEN-AllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalmembers.Ref.No.ENISO13920:1996EPage2ENISO13920:1996ContentsPagePage0Foreword.......................................25lndicationsondrawings.......................31Scope.......................................22Normativereferences..2......................................6Testing46.1General....................................4.......................3Definitions...................................26.2Straightness................................44Generaltolerances...........................26.3Flatness....................................44.1Tolerancesforlineardirnensions...............26.4Parallelisrn.................................44.2Tolerancesforangulardirnensions.............34.3Straightness,flatnessandparallelismtolerances..37Non-conformity..............................4ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCornrnitteeCEN/TC121‘Welding’,theSecretariatofwhichisheldbyDS,incollaborationwithTechnicalCornrnitteeISO/TC44‘Weldingandalliedprocesses’.ThisEuropeanStandardshallbegiventheStatusofanationalStandard,eitherbypublicationofanidenticaltextorbyendorsernent,andconflictingnationalStandardswithdrawn,byFebruary1997atthelatest.InaccordancewiththeCENKENELECInterna1Regulations,thenationalStandardsorganizationsofthefollowingcountriesareboundtoirnplernentthisEuropeanStandard:Austria,Belgiurn,Denrnark,Finland,France,Gerrnany,Greece,Iceland,Ireland,Italy,Luxernbourg,Netherlands,Norway,Portugal,Spain,Sweden,Switzerland,andtheUnitedKingdorn.1ScooernativereferencesarecitedattheappropriateplaceintheThisEuropeanStandardspecifiesgeneraltolerancesforlinearandangulardirnensionsandforshapeandPositionofweldedstructuresinfourtoleranceclasses,these