Designation:B248−12StandardSpecificationforGeneralRequirementsforWroughtCopperandCopper-AlloyPlate,Sheet,Strip,andRolledBar1ThisstandardisissuedunderthefixeddesignationB248;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationestablishesthegeneralrequirementscommontoseveralwroughtproductspecifications.Unlessotherwisespecifiedinthepurchaseorderorinanindividualspecification,thesegeneralrequirementsshallapplytocopperandcopper-alloyplate,sheet,strip,androlledbarsuppliedundereachofthefollowingproductspecificationsissuedbyASTM:B36/B36M,B96/B96M,B103/B103M,B121/B121M,B122/B122M,B152/B152M,B169/B169M,B194,B422,B465,B534,B591,B592,B694,B740,B747,B768,andB888.21.2Units—ThisspecificationisthecompanionspecificationtoSISpecificationB248M;therefore,noSIequivalentsareshowninthisspecification.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectondateofmaterialpurchaseformapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:3B36/B36MSpecificationforBrassPlate,Sheet,Strip,AndRolledBarB96/B96MSpecificationforCopper-SiliconAlloyPlate,Sheet,Strip,andRolledBarforGeneralPurposesandPressureVesselsB103/B103MSpecificationforPhosphorBronzePlate,Sheet,Strip,andRolledBarB121/B121MSpecificationforLeadedBrassPlate,Sheet,Strip,andRolledBarB122/B122MSpecificationforCopper-Nickel-TinAlloy,Copper-Nickel-ZincAlloy(NickelSilver),andCopper-NickelAlloyPlate,Sheet,Strip,andRolledBarB152/B152MSpecificationforCopperSheet,Strip,Plate,andRolledBarB169/B169MSpecificationforAluminumBronzeSheet,Strip,andRolledBarB193TestMethodforResistivityofElectricalConductorMaterialsB194SpecificationforCopper-BerylliumAlloyPlate,Sheet,Strip,andRolledBarB248MSpecificationforGeneralRequirementsforW...