Designation:A722/A722M−15StandardSpecificationforHigh-StrengthSteelBarsforPrestressedConcrete1ThisstandardisissuedunderthefixeddesignationA722/A722M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1ThisspecificationcoversTypeIandTypeIIhigh-strengthsteelbarsintendedforuseinprestressedconcreteconstructionorinprestressedgroundanchors.TypeIbarshaveaplainsurface.TypeIIbarshavesurfacedeformations.Barsareofaminimumtensilestrengthlevelof150000psi[1035MPa].1.2Asupplementaryrequirement(S1)isprovidedforusewherebendtestsofbarsarerequiredbythepurchaser.Thesupplementaryrequirementappliesonlywhenspecifiedinthepurchaseorder.1.3Thetextofthisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.4Thisspecificationisapplicableforordersineitherinch-poundunits(asSpecificationA722)orinSIunits(asSpecificationA722M).1.5Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththespecification.2.ReferencedDocuments2.1ASTMStandards:2A370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA700GuideforPackaging,Marking,andLoadingMethodsforSteelProductsforShipmentA751TestMethods,Practices,andTerminologyforChemi-calAnalysisofSteelProducts2.2MilitaryStandard:3MIL-STD-129MarkingforShipmentandStorage2.3U.S.FederalStandard:3Fed.Std.123MarkingforShipment(CivilAgencies)3.OrderingInformation3.1Ordersforhigh-strengthsteelbarsunderthisspecifica-tionshallcontainthefollowinginformation:3.1.1Quantity,3.1.2Sizeandlength,3.1.3Typ...
