Designation:B749−14StandardSpecificationforLeadandLeadAlloyStrip,Sheet,andPlateProducts1ThisstandardisissuedunderthefixeddesignationB749;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversleadsheet,strip,andplateofvariousalloysintendedforuseinchemicalplants,soundattenuation,roofing,vibrationdampening,flashingandweatherstripping,waterproofing,andradiationshielding.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B29SpecificationforRefinedLeadE8TestMethodsforTensionTestingofMetallicMaterialsE10TestMethodforBrinellHardnessofMetallicMaterialsE18TestMethodsforRockwellHardnessofMetallicMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE37TestMethodsforChemicalAnalysisofPigLeadE87MethodsforChemicalAnalysisofLead,Tin,AntimonyandTheirAlloys(PhotometricMethod)(Withdrawn1983)3E112TestMethodsforDeterminingAverageGrainSize3.Terminology3.1Definitions:3.1.1lot,n—shallconsistofalltheleadsheet,strip,orplateofthesamealloyproducedbyonemanufacturerandofferedfordeliveryatonetimeforsamplingandinspectionfromonemanufacturingorsmeltingheat.3.1.2plate,n—anyproductover0.187in.(4.75mm)inthicknessandover10in.(254mm)inwidth.3.1.3sheet,n—products0.187in.(4...
