ASTM A834一般工业用的普通要求的铸铁的标准规范.docx

ASTM A834一般工业用的普通要求的铸铁的标准规范.docx

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ASTMA834一般工业用的普通要求的铸铁的标准规范

Designation:

A834–95（Reapproved2001

StandardSpecificationfor

CommonRequirementsforIronCastingsforGeneral

IndustrialUse1

ThisstandardisissuedunderthefixeddesignationA834;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon（eindicatesaneditorialchangesincethelastrevisionorreapproval.

1.Scope

1.1ThisspecificationcoversagroupofrequirementsthataremandatoryrequirementswhenusedinconjunctionwiththefollowingironcastingspecificationsissuedbyASTM:

ASTMSpecification2

A47

A48

A197

A220

A278

A319

A395

A436

A439

A518

A532

A536

A571

A823

A842

A874

A897

1.2Thisspecificationalsocoversagroupofsupplementaryrequirementswhichmaybeappliedtotheabovespecificationsasindicatedherein.Theseareprovidedforusewhenadditionaltestingorinspectionisdesiredandapplyonlywhenspecifiedindividuallybythepurchaserintheorder.

1.3Therequirementsoftheindividualmaterialspecifica-tion,andthisgeneralspecificationshallprevailinthesequencenamed.

1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.

2.ReferencedDocuments

2.1ASTMStandards:

A47SpecificationforFerriticMalleableIronCastings2

A48SpecificationforGrayIronCastings2

A197SpecificationforCupolaMalleableIron2

A220SpecificationforPearliticMalleableIron2A247TestMethodforEvaluatingtheMicrostructureofGraphiteinIronCastings2

A278SpecificationforGrayIronCastingsforPressure-ContainingPartsforTemperaturesUpto650°F2

A319SpecificationforGrayIronCastingsforElevatedTemperaturesforNon-PressureContainingParts2

A395SpecificationforFerriticDuctileIronPressure-RetainingCastingsforUseatElevatedTemperatures2

A436SpecificationforAusteniticGrayIronCastings2

A439SpecificationforAusteniticDuctileIronCastings2A518SpecificationforCorrosion-ResistantHigh-SiliconIronCastings2

A532SpecificationforAbrasion-ResistantCastIrons2

A536SpecificationforDuctileIronCastings2

A571SpecificationforAusteniticDuctileIronCastingsforPressure-ContainingPartsSuitableforLow-TemperatureService2

A644TerminologyRelatingtoIronCastings2

A802/A802MPracticeforSteelCastings,SurfaceAccep-tanceStandards,VisualExamination2

A823SpecificationforStaticallyCastPermanentMoldGrayIronCastings2

A842SpecificationforCompactedGraphiteIronCastings2A874SpecificationforFerriticDuctileIronCastingsSuit-ableforLow-TemperatureService2

A897SpecificationforAustemperedDuctileIronCastings2A919TerminologyRelatingtoHeatTreatmentofMetals3E8TestMethodsforTensionTestingofMetallicMaterials4E10TestMethodforBrinellHardnessofMetallicMateri-als4

E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications5

E30TestMethodsforChemicalAnalysisofSteel,CastIron,Open-HearthIron,andWroughtIron6

E59PracticeforSamplingSteelandIronforDeterminationofChemicalComposition7

E94GuideforRadiographicTesting8

1ThisspecificationisunderthejurisdictionofASTMCommitteeA04onIronCastingsandisthedirectresponsibilityofSubcommitteeA04.01onGrayandWhiteIronCastings.

CurrenteditionapprovedOct.10,1995.PublishedDecember1995.OriginallypublishedasA834–84.LastpreviouseditionA834–94.

2AnnualBookofASTMStandards,Vol01.02.

3Discontinued;see1999AnnualBookofASTMStandards,Vol01.01.

4AnnualBookofASTMStandards,Vol03.01.

5AnnualBookofASTMStandards,Vol14.02.

6Discontinued;see1994AnnualBookofASTMStandards,Vol03.05.

7Discontinued;see1995AnnualBookofASTMStandards,Vol03.05.

8AnnualBookofASTMStandards,Vol03.03.

1

Copyright©ASTM,100BarrHarborDrive,WestConshohocken,PA19428-2959,UnitedStates.

E165TestMethodforLiquidPenetrantExamination8

E351TestMethodsforChemicalAnalysisofCastIron—AllTypes9

E689ReferenceRadiographsforDuctileIronCastings8E709GuideforMagneticParticleExamination8

E802ReferenceRadiographsforGrayIronCastingsUpto41⁄2in.（114mminThickness82.2MilitaryStandard:

MIL-STD-129MarkingforShipmentandStorage102.3FederalStandard:

Fed.Std.No.123MarkingforShipment（CivilAgencies103.Terminology3.1Definitions:

3.1.1DefinitionsformanytermscommontoironcastingsandtheirheattreatmentarefoundinTerminologyA919andTerminologyA64

4.AclassificationofgraphitestructureisfoundinTestMethodA247.

4.OrderingInformation

4.1Thepurchaseorderforcastingsorderedunderthisspecificationshallstipulatetheapplicablematerialspecifica-tion（s,gradeofiron,andanyoptionsoradditionstothebasicrequirements,includingthesupplementaryrequirementsin-cludedinthisspecification.

5.TensileRequirements

5.1Theindividualproductspecificationsvaryastowhethertensiontestsarerequired.Forthisreason,andtodeterminespecifictestrequirements,theindividualproductspecificationshallbereviewed.Whenrequired,tensiontestsshallbedeterminedinaccordancewithTestMethodsE8.

6.ChemicalRequirements

6.1Theindividualproductspecificationsvaryastowhetherchemicalanalysisisrequired.Todeterminespecificrequire-ments,theindividualproductspecificationshouldbereviewed.6.2SamplingshallbeconductedinaccordancewithTestMethodE59.SpectrographicorothermethodssuchasthoseinTestMethodsE30andE351maybeusedforchemicalanalysis.Intheeventofadisputeregardingchemicalcompo-sition,TestMethodsE351andE30shallbeusedforrefereepurposes.

6.3Thechemicalanalysisfortotalcarbonshallbemadeonchilledpencil-typespecimensorfromthinwafersapproxi-mately1⁄32in.（0.8mmthickcutfromtestcoupons.Drillingsarenotreliablebecauseofaprobablelossofgraphite.

6.4Chemicalanalysisresultsshallberounded,inaccor-dancewithPracticeE29,tothenearestunitinthelastright-handplaceofvaluesinthetableofchemicalrequire-ments.

6.5Aproductanalysismaybemadebythepurchaserfrommaterialrepresentingeachheat,lot,orcasting.Theanalysisshallbemadeonrepresentativematerial.Samplesforcarbon

analysisshallbetakennocloserthan¼in.toacastsurface,andshallfollowthepracticein5.3,exceptwherethesizeorshapeofthecastingdoesnotpermitsuchsampling.Thechemicalcompositionthusdeterminedshallmeettherequire-mentsspecifiedintheapplicablespecificationforthegradeinvolved.

7.Workmanship,Finish,andAppearance

7.1Allcastingsshallbemadeinaworkman-likemannerandshallconformtothedimensionsondrawingsfurnishedbythepurchaserbeforemanufactureisstarted.Ifthepatternissuppliedbythepurchaser,thedimensionsofthecastingshallbeaspredictedbythepattern.

8.Sampling

8.1Alotshallconsistofoneofthefollowing:

8.1.1Allthemetalfromasingleheatinginabatch–typemeltingfurnace.

8.1.2Allthemetalpouredfromtwoormorebatch–typemeltingfurnacesintoasingleladleorasinglecasting.

8.1.3Allthemetalpouredfromacontinuousmeltingfurnaceforagivenperiodoftimebetweenchangesincharge,processingconditions,oraim-forchemistry,or4h,whicheveristheshorterperiod.

8.1.3.1Thepurchasermayagreetoextendthe4-htimeperiodto8hifthemanufacturercandemonstratesufficientprocesscontroltowarrantsuchanextension.

9.Inspection

9.1Alltestsandinspectionsrequiredbythisspecificationshallbeperformedbythemanufacturerorotherreliablesourceswhoseserviceshavebeencontractedforbythemanufacturer.Completerecordsofalltestsandinspectionsshallbemaintainedbythemanufacturerandshallbeavailableforreviewbythepurchaser.

9.2Themanufacturershallaffordthepurchaser’sinspectorallreasonablefacilitiesnecessarytosatisfythatthematerialisbeingproducedandfurnishedinaccordancewiththeappli-cablespecification.Foundryinspectionbythepurchasershallnotinterfereunnecessarilywiththemanufacturer’soperations.9.3Whenagreeduponbetweenmanufacturerandpur-chaser,testspecimensorunbrokentestbarsfromthesamelotshallbesavedforaperiodof3monthsafterdateofthetestreport.

9.4Whenunbrokentestbarsarereprocessedwithcastingsforrehearing,testspecimensfromthesebarsshallbesaved,asdescribedin9.3.

9.5Thepurchaserreservestherighttoperformanyinspec-tionssetforthinthespecificationwheresuchinspectionsaredeemednecessarytoassurethatsuppliesandservicesconformtotheprescribedrequirements.

10.Repair

10.1Anyrepairshallbemadeinaccordancewiththerequirementsoftheindividualspecificationusingproceduresqualifiedbythemanufacturerforthetypeofrepairinvolved.11.RejectionandRehearing

11.1Castingswhichfailtoconformtotherequirementsspecifiedwheninspectedortestedbythepurchaserorhisagent

9

AnnualBookofASTMStandards,Vol03.05.10

AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700RobbinsAve.,Philadelphia,PA19111-5094,Attn:

NPODS.

mayberejected.Rejectionshallbereportedtothemanufac-turerorsupplierpromptlyandinwriting.Incaseofdissatis-factionwiththetestresults,themanufacturerorsuppliermaymakeclaimforarehearing.

12.PackagingandPackageMarking

12.1Unlessotherwisespecifiedinthecontractorpurchaseorder,cleaning,preservation,andpackagingofcastingsshallbeinaccordancewiththemanufacturer’scommercialpractice.Packingandmarkingshallalsobeadequatetoidentifythecontentsandtoensureacceptanceandsafedeliverybythecarrierforthemodeoftransportationemployed.

12.2GovernmentProcurement—Whenspecifiedinthecon-tractorpurchaseorder,marking