Designation:B700−08(Reapproved2014)StandardSpecificationforElectrodepositedCoatingsofSilverforEngineeringUse1ThisstandardisissuedunderthefixeddesignationB700;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversrequirementsforelectrodepos-itedcoatingsofsilverusedforengineeringpurposesthatmaybemat,bright,orsemibrightandarenotlessthan98%silverpurity.1.2Coatingsofsilvercoveredbythisspecificationareusuallyemployedforsolderablesurfaces,electricalcontactcharacteristics,highelectricalandthermalconductivity,ther-mocompressionbonding,wearresistanceofload-bearingsurfaces,andspectralreflectivity.1.3IntheAppendixesimportantcharacteristicsofelec-trodepositedsilvercoatingsarebrieflydescribedwhichmustbeconsideredwhenusedinengineeringapplications,namelyelectricalconductivity(seeAppendixX1),silvermigration(seeAppendixX2),thickness(seeAppendixX3),hardness(seeAppendixX4),andatmospherictarnish(seeAppendixX5).1.4Thefollowinghazardscaveatpertainsonlytothetestmethodssectionofthisspecification:Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B183PracticeforPreparationofLow-CarbonSteelforElectroplatingB242GuideforPreparationofHigh-CarbonSteelforElec-troplatingB252GuideforPreparationofZincAlloyDieCastingsforElectroplatingandConversionCoatingsB253GuideforPreparationofAluminumAlloysforElec-troplatingB254PracticeforPreparationofandElectroplatingonStainlessSteelB281PracticeforPreparationofCopperandCopper-BaseAlloysforElectroplatingandConversionCoatingsB322GuideforCleaningMetalsPriortoElectroplatingB343PracticeforPreparationofNickelforElectr...
