IACS Rec69 船用铸钢探伤标准.pdf

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1、No.69No.69Guidelinesfornon-destructiveexamination(June2000)(Rev.1ofmarinesteelcastingsMay2004)TABLEOFCONTENTS1.General1.1Scope2.PersonnelRequirements2.1Qualifications3.CastingCondition3.1HeatTreatment3.2SurfaceCondition4.ExtentofExaminations4.1Castingstobeexamined4.2Zonestobee

2、xamined5.ExaminationProcedures5.1VisualInspections5.2SurfaceCrackDetection5.3VolumetricInspections6.AcceptanceCriteria6.1VisualTesting6.2SurfaceCrackDetection6.3VolumetricTesting7.Reporting8.RectificationofDefectsAnnex1Extentandmethodsofnon-destructiveexaminationtobeappliedtot

3、ypicalhullsteelcastings.▼69-1IACSRec.2000/Rev.12004No.691.GeneralNo.69(contd)1.1Scope1.1.1Thisdocumentisintendedtogivegeneralguidanceontheextent,methodsandrecommendedqualitylevelsapplicabletothenon-destructiveexaminations(NDE),ofmarinesteelcastings,exceptinthosecaseswherealter

4、nativecriteriahavebeenotherwiseapprovedorspecified.1.1.2Althoughnodetailedguidelinesaregivenformachinerycomponents,therequirementsintheseguidelinesmayapplycorrespondinglyconsideringtheirmaterials,kinds,shapesandstressconditionsbeingsubjected.2.PersonnelRequirements2.1Qualifica

5、tions2.1.1PersonnelcarryingoutNDEaregenerallytobequalifiedandcertifiedtoLevelIIofarecognisedcertificationschemesuchasEN473,ISO9712orSNT-TC-1A.2.1.2PersonnelresponsiblefortheNDEactivityincludingapprovalofproceduresshouldbequalifiedandcertifiedtoLevelIII.2.1.3Personnelqualificat

6、ionsaretobeverifiedbycertification.3.CastingCondition3.1HeatTreatment3.1.1Non-destructiveexaminationsappliedforacceptancepurposesshouldbemadeafterthefinalheattreatmentofthecasting.Whereintermediateinspec-tionshavebeenperformedthemanufacturershallfurnishthedocumentationoftheres

7、ultsuponrequestoftheSurveyor.3.2SurfaceCondition3.2.1Castingsaretobeexaminedinthefinaldeliveryconditionfreefromanymate-rialsuchasscale,dirt,greaseorpaintthatmightaffecttheefficacyoftheinspection.Athincoatingofcontrastpaintispermissiblewhenusingmagneticparticletechniques.3.2.2U

8、nlessotherwisespecifiedintheorder,magneticparticletestshallbe