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BRITISHSTANDARDBSEN10222-1:1998IncorporatingAmendmentNo.1Steelforgingsforpressurepurposes—Part1:GeneralrequirementsforopendieforgingsTheEuropeanStandardEN10222-1:1998,withtheincorporationofamendmentA1:2002,hasthestatusofaBritishStandardICS77.140.85 BSEN10222-1:1998ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorBoard,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15May1998©BSI11October2002ISBN0580290263NationalforewordThisBritishStandardistheEnglishlanguageversionofEN10222-1:1998,includingamendmentA1:2002,publishedbytheEuropeanCommitteeforStandardization(CEN).TogetherwithEN10222-2to-4itsupersedesBS1503:1989whichwillbewithdrawnwhenthefourpartsofEN10222arepublished.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeISE/73,Steelsforpressurepurposes,toSubcommitteeISE/73/3,Steelforgingsforpressurepurposes,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to15andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateComments1392311October2002AdditionofAnnexZAEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN10222-1January1998+A1April2002ICS77.140.85Descriptors:Ironandsteelproducts,forgings,steels,pressureequipment,designation,manufacturing,surfacecondition,grades:quality,chemicalcomposition,mechanicalproperties,sampling,tests,inspection,markingEnglishversionSteelforgingsforpressurepurposes—Part1:Generalrequirementsforopendieforgings(includingamendmentA1:2002)Piècesforgéesenacierpourappareilsàpression—Partie1:Prescriptionsgénéralesconcernantlespiècesobtenuesparforgeagelibre(inclutl’amendementA1:2002)SchmiedestückeausStahlfürDruckbehälter—Teil1:AllgemeineAnforderungenanFreiformschmiedestücke(enthältÄnderungA1:2002)ThisEuropeanStandardwasapprovedbyCENon26October1997.AmendmentA1wasapprovedbyCENon14March2002.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.CENEuropeanCommitteeforStandardizationComitéEuropéendeNormalisationEuropäischesKomiteefürNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1998CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN10222-1:1998+A1:2002EEN10222-1:1998©BSI11October20022ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeECISS/TC28“Steelforgings”,theSecretariatofwhichisheldbyBSI.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyJuly1998,andconflictingnationalstandardsshallbewithdrawnatthelatestbyJuly1998.ThetitlesoftheotherPartsofthisEuropeanStandardare:AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.ForewordtoamendmentA1ThisdocumentEN10222-1:1998/A1:2002,hasbeenpreparedbyTechnicalCommitteeECISS/TC28Steelforgings,theSecretariatofwhichisheldbyBSI.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyOctober2002,andconflictingnationalstandardsshallbewithdrawnatthelatestbyOctober2002.ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropeanFreeTradeAs