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【船级社】 DNV-CP-0244.pdf
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【船级社】 DNV-CP-0244.pdf
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CLASS PROGRAMME
Approvalofmanufacturers
DNV-CP-0244 EditionSeptember2021
Rolledsteelproducts-stainlesssteel
ThecontentofthisservicedocumentisthesubjectofintellectualpropertyrightsreservedbyDNVAS(“DNV”).Theuser
acceptsthatitisprohibitedbyanyoneelsebutDNVand/oritslicenseestoofferand/orperformclassification,certification
and/orverificationservices,includingtheissuanceofcertificatesand/ordeclarationsofconformity,whollyorpartly,onthe
basisofand/orpursuanttothisdocumentwhetherfreeofchargeorchargeable,withoutDNV’spriorwrittenconsent.DNV
isnotresponsiblefortheconsequencesarisingfromanyuseofthisdocumentbyothers.
ThePDFelectronicversionofthisdocumentavailableattheDNVwebsitednv.comistheofficialversion.Ifthere
areanyinconsistenciesbetweenthePDFversionandanyotheravailableversion,thePDFversionshallprevail.
DNVAS
![](https://csdnimg.cn/release/download_crawler_static/88583538/bg2.jpg)
FOREWORD
DNVclassprogrammescontainproceduralandtechnicalrequirementsincludingacceptance
criteriaforobtainingandretainingcertificatesforobjectsandorganisationsrelatedto
classification.
©
DNVASSeptember2021
Anycommentsmaybesentbye-mailtorules@dnv.com
Thisservicedocumenthasbeenpreparedbasedonavailableknowledge,technologyand/orinformationatthetimeofissuanceofthis
document.TheuseofthisdocumentbyotherpartiesthanDNVisattheuser'ssolerisk.DNVdoesnotacceptanyliabilityorresponsibility
forlossordamagesresultingfromanyuseofthisdocument.
![](https://csdnimg.cn/release/download_crawler_static/88583538/bg3.jpg)
CHANGES–CURRENT
ThisdocumentsupersedestheMay2016editionofDNVGL-CP-0244.
Thenumberingand/ortitleofitemscontainingchangesishighlightedinred.
ChangesSeptember2021
Topic Reference Description
Namechangeofclass
programme
Theprogrammehasamendedthescope,andhencethe
nameischangedfromRolledausteniticandferritic-austenitic
stainlesssteelproductstoRolledsteelproducts-stainlesssteel
Scopeoftheclassprogramme Sec.1[2] Additionofmartensitic,martensitic-austenitic,precipitation
hardenedandferriticsteel.
Manufactureofstarting
material/semi-finishedsteel
products
Sec.1,Sec.2 Requirementsformetallurgicalprocessingandchemical
compositionpartlymovedfromSec.1toSec.2.
Requirementsforwelding Sec.1,Sec.2 ReferencetoDNV-CP-0352added,inclusionofrepairwelding
andjoiningbywelding.
Recordstobesubmitted Sec.2[9] Informationaddedwhichshallbesubmitted:
— productionstatisticsforchemichalcompositionand
mechanicalproperties
— detailsanddescriptionforchemicalanalysis
— metallographicanalysisandmechanicaltesting
— procedureforthicknessmeasurement.
Traceability Sec.3 Requirementaddedthatthetraceabilityoftheproducts,
specimenpositionsandtestresultsshallbetraceable.
Testscopeformartensitic,
martensitic-austenitic,
precipitationhardenedand
ferriticsteel
Sec.3 Wordingaddedthatthetestingscopeforthesesteeltypesshall
beagreedcase-by-case.
Testscopeincaseofseveral
materialgrades
Sec.3 Wordingaddedthatunderspecificconditionstheamountof
steelgradessubjectedtotestingmaybereduced.
Weldabilitytesting Sec.3[2] Specificrequirementsdeletedfromthisclassprogrammewhich
arealreadyspecifiedinDNV-RU-SHIPPt.2Ch.4.
RebrandingtoDNV All ThisdocumenthasbeenrevisedduetotherebrandingofDNV
GLtoDNV.Thefollowinghavebeenupdated:thecompany
name,materialandcertificatedesignations,andreferencesto
otherdocumentsintheDNVportfolio.Someofthedocuments
referredtomaynotyethavebeenrebranded.Ifso,pleasesee
therelevantDNVGLdocument.
Editorialcorrections
Inadditiontotheabovestatedchanges,editorialcorrectionsmayhavebeenmade.
Changes-current
Classprogramme:Approvalofmanufacturers—DNV-CP-0244.EditionSeptember2021 Page3
Rolledsteelproducts-stainlesssteel
DNVAS
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CONTENTS
Changes–current.................................................................................................. 3
Section1General....................................................................................................5
1Objective..............................................................................................5
2Scopeandapplication..........................................................................5
3Requestforapproval........................................................................... 6
4References........................................................................................... 7
Section2Documentationrequirements.................................................................. 8
1Generalinformation.............................................................................8
2Manufacturingsummary...................................................................... 8
3Processingvariablesrelatedtometallurgy..........................................8
4Chemicalcomposition.......................................................................... 8
5Reheating.............................................................................................8
6Rolling..................................................................................................8
7Heattreatment.................................................................................... 9
8Welding................................................................................................9
9Records,testfacilitiesandprocedures................................................9
10Testresultsandrecords....................................................................9
Section3Approvaltesting.................................................................................... 11
1Testproductsandsamples................................................................11
2Testingscopeandrequirements........................................................12
AppendixAApprovalrangebasedontestedgrade...............................................15
Changes–historic................................................................................................16
Contents
Classprogramme:Approvalofmanufacturers—DNV-CP-0244.EditionSeptember2021 Page4
Rolledsteelproducts-stainlesssteel
DNVAS
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