ASTM-A108-2013-冷加工碳素钢及合金钢棒材规格

Designation:A108−13StandardSpecificationforSteelBar,CarbonandAlloy,Cold-Finished1ThisstandardisissuedunderthefixeddesignationA108;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationcoverscold-finishedcarbonandalloysteelbarsproducedinstraightlengthandcoiltochemicalcompositions.Cold-finishedbarsaresuitableforheattreatment,formachiningintocomponents,orforuseintheas-finishedconditionasshafting,orinconstructionalapplications,orforothersimilarpurposes(Note1).Gradesofsteelareidentifiedbygradenumbersorbychemicalcompo-sition.NOTE1—AguidefortheselectionofsteelbarsiscontainedinPracticeA400.1.2SomeendusesmayrequireoneormoreoftheavailabledesignationsshownunderSupplementaryRequirements.Supplementaryrequirementsshallapplyonlywhenspecifiedindividuallybythepurchaser.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2A29/A29MSpecificationforSteelBars,CarbonandAlloy,Hot-Wrought,GeneralRequirementsforA304SpecificationforCarbonandAlloySteelBarsSubjecttoEnd-QuenchHardenabilityRequirementsA322SpecificationforSteelBars,Alloy,StandardGradesA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA400PracticeforSteelBars,SelectionGuide,Composition,andMechanicalPropertiesA510/A510MSpecificationforGeneralRequirementsforWireRodsandCoarseRoundWire,CarbonSteel,andAlloySteelA576SpecificationforSteelBars,Carbon,Hot-Wrought,SpecialQuality2.2OtherDocuments:SAEHandbookandSAEJ1086RecommendedPracticeforNumberingMetalsandAlloys(UNS)3AISTBarSteels:SteelProductManual43.Terminology3.1Definitions:3.1.1producttolerancelevels—cold-finishedsteelbarisproducedwithuptothree(3)increasinglytighttolerancelevels,fortheindividualproductcharacteristics,dependentonthemethodofmanufacturenecessarytomeetpurchaser-orderedspecificationrequirements.(ProductToleranceLevel1isselected,unlessotherwisespecifiedbypurchaser.)4.OrderingInformation4.1Ordersforcold-finishedsteelbartothisspecificationshouldincludethefollowingitemstoadequatelydescribethematerial:4.1.1Nameofmaterial,4.1.2ASTMspecificationnumberanddateofissue,4.1.3Chemicalcomposition,orsteelgradedesignationorlimitsasdefinedinSpecificationA29/A29M,4.1.4Siliconlevel,ifrequired,4.1.5Additionalmachinability-enhancingelements(seeFootnoteFtoTable1ofSpecificationA29/A29M),4.1.6SurfaceCondition(SurfacetoleranceslistedinTableA1.7,TableA1.8,andTableA1.9),4.1.7ToleranceLevels(ReferencetoleranceslistedinTableA1.1throughTableA1.9),4.1.8Shape(round,hexagon,square,flat,etc.),size,andlength,4.1.9Reportofheatanalysis,ifrequired,4.1.10Enduse,1ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.15onBars.CurrenteditionapprovedAug.15,2013.PublishedAugust2013.Originallyapprovedin1926.Lastpreviouseditionapprovedin2007asA108–07.DOI:10.1520/A0108-13.2ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.3AvailablefromSAEInternational(SAE),400CommonwealthDr.,Warrendale,PA15096-0001,(AIST),180ThornHillRoad,Warrendale,PA15086–7528,*ASummaryofChangessectionappearsattheendofthisstandardCopyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959.UnitedStates14.1.11Additionstothespecificationandspecialorsupple-mentaryrequirements,ifrequired,and4.1.12Forcoiledproduct,thecoilweights,insidediameter,outsidediameter,andcoilheightlimitations,whenrequired.NOTE2—Atypicalorderingdescriptionisasfollows:SteelBar;ASTMA108,dated_____;ASTMSteelGrade-1117;CoarseGrain;ColdDrawn;1.500-in.(38.10-mm)diameterround;12ft(3657.61mm)long;HeatAnalysisRequired;PrecisionMachinedParts.NOTE3—Amorecomplexorderingdescriptionisasfollows:SteelBar;ASTMA108,dated____;ASTMSteelGrade-1045;FineGrain;ColdDrawn,Turned,GroundandPolished;chamferbothends;MechanicalPropertyTestResults;Hardnesstest;2.000-in.(50.80-mm)diameterround;12ft(3657.61mm)long;HeatAnalysisRequired;PrecisionMachinedParts.5.GeneralRequirements5.1Materialfurnishedunderthisspecificationshallcon-formtotheapplicablerequirementsofthecurrenteditionofSpecificationA29/A29M.6.MaterialsandManufacture6.1Feedstock—Cold-finishedsteelbarshallbeproducedfromhot-wroughtcarbonoralloysteelbar(SpecificationA29/A29M),orfromhot-wroughtroddesignatedforcold-finishedbar(SpecificationA510/A510M).6.2Condition—Theproductshallbefurnishedinoneofthefollowingconditionsasspecifiedbythepurchaser.6.2.1Rounds:6.2.1.1Colddrawn,6.2.1.2Colddrawn,turned,andpolished,6.2.1