BS EN 729-4-1995 Quality requirements for welding

BRITISHSTANDARDBSEN729-4:1995Qualityrequirementsforwelding—Fusionweldingofmetallicmaterials—Part4:ElementaryqualityrequirementsTheEuropeanStandardEN729-4:1994hasthestatusofaBritishStandardUDC621.791.5:669:658.562BSEN729-4:1995ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorBoard,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15January1995©BSI12-1998ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceWEE/-/1/6Draftforcomment92/75859DCISBN0580231348CooperatingorganizationsTheEuropeanCommitteeforStandardization(CEN),underwhosesupervisionthisEuropeanStandardwasprepared,comprisesthenationalstandardsorganizationsofthefollowingcountries:AustriaOesterreichischesNormungsinstitutBelgiumInstitutbelgedenormalisationDenmarkDanskStandardFinlandSuomenStandardisoimisliito,r.y.FranceAssociationfrançaisedenormalisationGermanyDeutschesInstitutfürNormunge.V.GreeceHellenicOrganizationforStandardizationIcelandTechnologicalInstituteofIcelandIrelandNationalStandardsAuthorityofIrelandItalyEnteNazionaleItalianodiUnificazioneLuxembourgInspectionduTravailetdesMinesNetherlandsNederlandsNormalisatie-instituutNorwayNorgesStandardiseringsforbundPortugalInstitutoPortuguèsdaQualidadeSpainAsociaciónEspañoladeNormalizaciónyCertificaciónSwedenStandardiseringskommissioneniSverigeSwitzerlandAssociationsuissedenormalisationUnitedKingdomBritishStandardsInstitutionAmendmentsissuedsincepublicationAmd.No.DateCommentsBSEN729-4:1995©BSI12-1998iContentsPageCooperatingorganizationsInsidefrontcoverNationalforewordiiForeword2TextofEN729-43NationalannexNA(informative)CommitteesresponsibleInsidebackcoverNationalannexNB(informative)Cross-referencesInsidebackcoverBSEN729-4:1995ii©BSI12-1998NationalforewordThisBritishStandardhasbeenpreparedunderthedirectionoftheEngineeringSectorBoardandistheEnglishlanguageversionofEN729-4:1994Qualityrequirementsforwelding—Fusionweldingofmetallicmaterials—Part4:Elementaryqualityrequirements,publishedbytheEuropeanCommitteeforStandardization(CEN).EN729-4wasproducedastheresultofinternationaldiscussioninwhichtheUKtookanactivepart.TherehaspreviouslybeennodirectBritishStandardequivalenttothisstandard.ApplicationStandardsmayrequestthemanufacturertocomplywithoneofthePartsofEN729.Itisassumedthattheexecutionoftheprovisionsofthisdocumentisentrustedtosuitablyqualifiedandexperiencedpersons.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,theENtitlepage,pages2to4,aninsidebackcoverandabackcover.Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehadamendmentsincorporated.Thiswillbeindicatedintheamendmenttableontheinsidefrontcover.EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN729-4September1994UDC621.791.5:669:658.562Descriptors:Welding,fusionwelding,weldedconstructions,metalproducts,quality,qualityassurance,manufacturingEnglishversionQualityrequirementsforwelding—Fusionweldingofmetallicmaterials—Part4:ElementaryqualityrequirementsExigencesdequalitéensoudage—Soudageparfusiondesmatériauxmétalliques—Partie4:ExigencesdequalitéélémentaireSchweißtechnischeQualitätsanforderungen—SchmelzschweißenmetallischerWerkstoffe—Teil4:Elementar-QualitätsanforderungenThisEuropeanStandardwasapprovedbyCENon1994-09-06.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.CENEuropeanCommitteeforStandardizationComitéEuropéendeNormalisationEuropäischesKomiteefürNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1994CopyrightreservedtoCENmembersRef.No.EN729-4:1994EEN729-4:1994©BSI12-19982ForewordThisEuropeanStandardwaspreparedbytheTechnicalCommitteeCEN/TC121,Welding,ofwhichthesecretariatisheldbyDS.CEN/TC121hasdecidedtosubmitthefinaldraftforformalvotebyitsresolution173/1993.Theresultwaspositive.EN729iscomposedofthefourfollowingparts:—EN729-1,Qualityrequirementsforwelding—Fusionweldingofmetallicmaterials—Part1:Guidelinesforselectionanduse;—EN729-2,Qualityrequirementsforwelding—Fusionweldingmetallicmaterials—Part2:Comprehensivequalityrequirements;—EN729-3,Qualityrequirementsforwelding—Fusionweldingofmetallicmaterials—Part3:Standardqualityrequirements;—EN729-4,Qualityrequi