Designation:A184/A184M−06(Reapproved2011)StandardSpecificationforWeldedDeformedSteelBarMatsforConcreteReinforcement1ThisstandardisissuedunderthefixeddesignationA184/A184M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoversmaterialinmat(orsheet)formfabricatedfromdeformedsteelbarstobeusedforthereinforcementofconcrete.Matsconsistoftwolayersofbarsthatareassembledatrightanglestoeachother.Matsareassembledbyweldingattheintersections.1.2Thisspecificationisapplicableforordersineitherinch-poundunits(asSpecificationA184)orSIunits(asSpecificationA184M).1.3Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedinde-pendentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththisspecification.2.ReferencedDocuments2.1ASTMStandards:2A615/A615MSpecificationforDeformedandPlainCarbon-SteelBarsforConcreteReinforcementA700PracticesforPackaging,Marking,andLoadingMeth-odsforSteelProductsforShipmentA706/A706MSpecificationforLow-AlloySteelDeformedandPlainBarsforConcreteReinforcement2.2U.S.MilitaryStandard:MIL-STD-129MarkingforShipmentandStorage32.3U.S.FederalStandard:FedStdNo.123MarketingforShipments(CivilAgencies)33.OrderingInformation3.1Itshallbetheresponsibilityofthepurchasertospecifyallrequirementsthatarenecessaryformaterialorderedtothisspecification.Suchrequirementsshallinclude,butarenotlimitedto,thefollowing:3.1.1Quantity,3.1.2Sizeandspacingofmembersineachdirection,3.1.3Graderequired(Grade40or60)[280or420],3.1.4Typeofsteelasappropriate(seeSection4),3.1.5ASTMdesignationA184/A184Mandyearofissue.NOTE1—Atypicalorderingdescr...
