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1、Designation:A29/A29M–04StandardSpecificationforSteelBars,CarbonandAlloy,Hot-Wrought,General1RequirementsforThisstandardisissuedunderthe®xeddesignationA29/A29M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthes
2、esindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.3Thevaluesstatedininch-poundunitsorSIunitsareto1.1Thisspeci®cation2coversagroupofcommonrequire-beregarde
3、dasthestandard.Withinthetext,theSIunitsarementswhich,unlessotherwisespeci®edinthepurchaseordershowninbrackets.Thevaluesstatedineachsystemarenotorinanindividualspeci®cation,shallapplytocarbonandalloyexactequivalents;therefore,eachsystemmustbeusedinde-steelbarsundereachofthefollowingASTMspeci®cation
4、s(orpendentlyoftheother.CombiningvaluesfromthetwosystemsunderanyotherASTMspeci®cationwhichinvokesthismayresultinnonconformancewiththespeci®cation.speci®cationorportionsthereof):1.4Forpurposesofdeterminingconformancetothisspeci-®cationandthevariousmaterialspeci®cationsreferencedinTitleofSpecificatio
5、nASTMDesignationA1.1,dimensionalvaluesshallberoundedtothenearestunitinHot-RolledCarbonSteelBars:theright-handplaceof®guresusedinexpressingthelimitingSteelBars,Carbon,QuenchedandTemperedA321valuesinaccordancewiththeroundingmethodofPracticeSteelBarsandShapes,CarbonRolledfrom“T’’RailsA499SteelBars,Ca
6、rbon,MerchantQuality,M-GradesA575E29.SteelBars,Carbon,Hot-Wrought,SpecialQualityA576SteelBars,Carbon,MerchantQuality,MechanicalA663NOTE1ÐSpeci®cationA29previouslylisteddimensionaltolerancesPropertiesforcold-®nishedbars;thesearenowfoundinSpeci®cationA108.SteelBars,Carbon,Hot-Wrought,SpecialQuality,
7、Me-A675chanicalProperties2.ReferencedDocumentsSteelBarsforSprings,CarbonandAlloyA6892.1ASTMStandards:3Cold-FinishedCarbonSteelBars:SteelBars,Carbon,Cold-Finished,StandardQualityA108A108Speci®cationforSteelBars,Ca
