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1、Designation:A29/A29M–04StandardSpecificationforSteelBars,CarbonandAlloy,Hot-Wrought,General1RequirementsforThisstandardisissuedunderthe®xeddesignationA29/A29M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumber
2、inparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.3Thevaluesstatedininch-poundunitsorSIunitsareto1.1Thisspeci®cation2coversagroupofc
3、ommonrequire-beregardedasthestandard.Withinthetext,theSIunitsarementswhich,unlessotherwisespeci®edinthepurchaseordershowninbrackets.Thevaluesstatedineachsystemarenotorinanindividualspeci®cation,shallapplytocarbonandalloyexactequivalents;therefore,eachsystemmustbeusedinde-steelbarsundere
4、achofthefollowingASTMspeci®cations(orpendentlyoftheother.CombiningvaluesfromthetwosystemsunderanyotherASTMspeci®cationwhichinvokesthismayresultinnonconformancewiththespeci®cation.speci®cationorportionsthereof):1.4Forpurposesofdeterminingconformancetothisspeci-®cationandthevariousmateria
5、lspeci®cationsreferencedinTitleofSpecificationASTMDesignationA1.1,dimensionalvaluesshallberoundedtothenearestunitinHot-RolledCarbonSteelBars:theright-handplaceof®guresusedinexpressingthelimitingSteelBars,Carbon,QuenchedandTemperedA321valuesinaccordancewiththeroundingmethodofPracticeSteel
6、BarsandShapes,CarbonRolledfrom“T’’RailsA499SteelBars,Carbon,MerchantQuality,M-GradesA575E29.SteelBars,Carbon,Hot-Wrought,SpecialQualityA576SteelBars,Carbon,MerchantQuality,MechanicalA663NOTE1ÐSpeci®cationA29previouslylisteddimensionaltolerancesPropertiesforcold-®nishedbars;thesearenowfo
7、undinSpeci®cationA108.SteelBars,Carbon,Hot-Wrought,SpecialQuality,Me-A675chanicalProperties2.ReferencedDocumentsSteelBarsforSprings,CarbonandAlloyA6892.1ASTMStandards:3Cold-FinishedCarbonSteelBars:SteelBars,Carbon,Cold-Finished,StandardQualityA108A108Speci®cationforSteelBars,Ca
