ASTM-A29／A29M热锻及冷加工碳素钢和合金钢棒

Designation:A29/A29M–05StandardSpecificationforSteelBars,CarbonandAlloy,Hot-Wrought,GeneralRequirementsfor1ThisstandardisissuedunderthefixeddesignationA29/A29M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecification2coversagroupofcommonrequire-mentswhich,unlessotherwisespecifiedinthepurchaseorderorinanindividualspecification,shallapplytocarbonandalloysteelbarsundereachofthefollowingASTMspecifications(orunderanyotherASTMspecificationwhichinvokesthisspecificationorportionsthereof):TitleofSpecificationASTMDesignationAHot-RolledCarbonSteelBars:SteelBars,Carbon,QuenchedandTemperedA321SteelBarsandShapes,CarbonRolledfrom“T’’RailsA499SteelBars,Carbon,MerchantQuality,M-GradesA575SteelBars,Carbon,Hot-Wrought,SpecialQualityA576SteelBars,Carbon,MerchantQuality,MechanicalPropertiesA663/A663MSteelBars,Carbon,Hot-Wrought,SpecialQuality,Me-chanicalPropertiesA675/A675MSteelBarsforSprings,CarbonandAlloyA689Cold-FinishedCarbonSteelBars:SteelBars,CarbonandAlloy,Cold-FinishedA108Cold-DrawnStress-RelievedCarbonSteelBarsSub-jecttoMechanicalPropertyRequirementsA311/A311MHot-RolledAlloySteelBars:SteelBars,Alloy,StandardGradesA322CarbonandAlloySteelBarsSubjecttoEnd-QuenchHardenabilityRequirementsA304SteelBars,Alloy,Hot-WroughtorCold-Finished,QuenchedandTemperedA434SteelBars,Alloy,Hot-Wrought,forElevatedTempera-tureorPressure-ContainingParts,orBothA739Cold-FinishedAlloySteelBars:SteelBars,Alloy,Hot-RolledorCold-Finished,QuenchedandTemperedA434SteelBars,Carbon,Hot-WroughtorCold-Finished,SpecialQuality,forPressurePipingComponentsA696AThesedesignationsrefertothelatestissueoftherespectivespecifications,whichappeareitherintheAnnualBookofASTMStandards,Vol01.05,orasreprintsobtainablefromASTM.1.2Incaseofanyconflictinrequirements,therequirementsofthepurchaseorder,theindividualmaterialspecification,andthisgeneralspecificationshallprevailinthesequencenamed.1.3Thevaluesstatedininch-poundunitsorSIunitsaretoberegardedasthestandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedinde-pendentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.4Forpurposesofdeterminingconformancetothisspeci-ficationandthevariousmaterialspecificationsreferencedin1.1,dimensionalvaluesshallberoundedtothenearestunitintheright-handplaceoffiguresusedinexpressingthelimitingvaluesinaccordancewiththeroundingmethodofPracticeE29.NOTE1—SpecificationA29previouslylisteddimensionaltolerancesforcold-finishedbars;thesearenowfoundinSpecificationA108.2.ReferencedDocuments2.1ASTMStandards:3A108SpecificationforSteelBars,CarbonandAlloy,Cold-FinishedA304SpecificationforCarbonandAlloySteelBarsSub-jecttoEnd-QuenchHardenabilityRequirementsA311/A311MSpecificationforCold-Drawn,Stress-RelievedCarbonSteelBarsSubjecttoMechanicalProp-ertyRequirementsA321SpecificationforSteelBars,Carbon,QuenchedandTemperedA322SpecificationforSteelBars,Alloy,StandardGradesA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA434SpecificationforSteelBars,Alloy,Hot-WroughtorCold-Finished,QuenchedandTemperedA499SpecificationforSteelBarsandShapes,CarbonRolledfrom“T”RailsA575SpecificationforSteelBars,Carbon,MerchantQual-ity,M-GradesA576SpecificationforSteelBars,Carbon,Hot-Wrought,SpecialQuality1ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.15onBars.CurrenteditionapprovedMay1,2005.PublishedMay2005.Originallyapprovedin1957.Lastpreviouseditionapprovedin2004asA29/A29M–04e1.2ForASMEBoilerandPressureVesselCodeapplicationsseerelatedSpecifi-cationSA-29/SA-29MinSectionIIofthatCode.3ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.1*ASummaryofChangessectionappearsattheendofthisstandard.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.A663/A663MSpecificationforSteelBars,Carbon,Mer-chantQuality,MechanicalPropertiesA675/A675MSpecificationforSteelBars,Carbon,Hot-Wrought,SpecialQuality,MechanicalPropertiesA689SpecificationforCarbonandAlloySteelBarsforSpringsA696SpecificationforSteelBars,Carbon,Hot-WroughtorCold-Finished,SpecialQualityforPressurePipingCom-ponentsA700PracticesforPackaging,Marking,andLoadingMethodsforSteelProductsforDomesticShipmentA739SpecificationforSteelBars,Alloy,Hot-Wrought,forElevatedTemperatureorPressure-ContainingParts,orBothA751TestMethods,Practices,andTerminologyforChemicalAnalysisofSteelProductsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE112TestMethodsforDeterminingAverageGrainSize2.2FederalS