ISO-6947-2011

ReferencenumberISO6947:2011(E)©ISO2011INTERNATIONALSTANDARDISO6947Thirdedition2011-05-15Weldingandalliedprocesses—WeldingpositionsSoudageettechniquesconnexes—PositionsdesoudageISO6947:2011(E)COPYRIGHTPROTECTEDDOCUMENT©ISO2011Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO'smemberbodyinthecountryoftherequester.ISOcopyrightofficeCasepostale56•[e-mail]©ISO2011–AllrightsreservedISO6947:2011(E)©ISO2011–AllrightsreservediiiContentsPageForeword............................................................................................................................................................ivIntroduction.........................................................................................................................................................v1Scope......................................................................................................................................................12Termsanddefinitions...........................................................................................................................13Weldingpositions..................................................................................................................................13.1Mainweldingpositions.........................................................................................................................13.2Weldingpositionsforproduction........................................................................................................53.3Weldingpositionsfortesting...............................................................................................................54Designation............................................................................................................................................5AnnexA(informative)Limitsoftheslopeofaweldaxisandtherotationoftheweldfaceabouttheweldaxisforweldingpositionsinproductionwelds..................................................................7AnnexB(informative)Comparisonofinternational,EuropeanandUSdesignations..............................13Bibliography......................................................................................................................................................17ISO6947:2011(E)iv©ISO2011–AllrightsreservedForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part2.ThemaintaskoftechnicalcommitteesistoprepareInternationalStandards.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ISO6947waspreparedbyTechnicalCommitteeISO/TC44,Weldingandalliedprocesses,SubcommitteeSC7,Representationandterms.Thisthirdeditioncancelsandreplacesthesecondedition(ISO6947:1990),whichhasbeentechnicallyrevised.RequestsforofficialinterpretationsofanyaspectofthisInternationalStandardshouldbedirectedtotheSecretariatofISO/TC44/SC7viayournationalstandardsbody.Acompletelistingofthesebodiescanbefoundat(E)©ISO2011–AllrightsreservedvIntroductionThisInternationalStandardprovidespositionsforstandarddiscretetestpieceorientationPA,PB,H-L045,etc.thathavebeenspecifiedinthisInternationalStandardsincethefirstedition(ISO6947:1980).Inthisrevision,positionsaredefinedforproductionwelding.Thesepositionsareflat,horizontal,vertical,andoverhead.Unliketestingpositions,thesepositionsarecontiguous.Thedirectionofweldingisanessentialparameterfordeterminingtheweldingposition,e.g.upordown.Theweldingpositionisnotdependentonthegeometricalarrangementofthejoint,e.g.buttorfilletjoint,orthatofthesemi-finishedproduct.Weldsofalltypesandinalldirectionsarecovered.Themainpositionshavebeengivensymbolswhichcaneasilybeusedfordesignationpurposes;thesesymbolswerechosenindependentlyofpossiblemeaningfulabbreviations,i.e.theyarenotderivedfromanyparticularlanguage.Therelationshipbetweentestingpositionsandproductionweldingpositionsisspecifiedelsewhere,e.g.inISO9606[1]orI