gse82c4 - adc-ga.com

1 00-P-416Fi October1991 SUPERSEDING~-P-416E18 Aprtl1986 FEDERALSPECIFICATIONPLATING,CADMIUM(ELEC TRODEPOSITED)Thisspecificationhasbeenapp rovedbytheCommissioner,FederalSupplyServ ice,GeneralServicesAdminlstratlon, ,asspecified( ) ( )111-Withsupplementaryphosphatetreatment ( ) ~ ,theissuesofthesedocumentsarethoselisted intheissueoftheDepartmentofDefenseIndexo fSpecificationsandStandards(0001SS)andsu pplementthereto,citedinthesolicitation( ).Beneficialcomments(recommendations,add itions,deletions)andanypertinentdatawhic hmaybeofuseInimprovingthisdocumentshould beaddressedto:NavalAirEngineeringCenter, SystemsEngineeringandStandardizationDepa rtment(Code5312),Lakehurst,NJ08733-5100, byusingtheattachedStandardizationDocumen tImprovementProposal(DDForm1426).

2 Distributionisunlimited,QQ-P-416 FSPECIFICATIONSFEDERALTT-C-490-MILITARYM IL-S-5000-MIL-S-5002-MIL-S-8844-MIL-C-81 562-STANDARDSFEDERALFED-STD-151-t41 LITARYMIL-STD-105 MIL-STD-1312-1 MIL-STD-MIL-STD-MIL-STD-312-5312-12312-1 4 CleaningMethodsForFerrousSurfacesandPret reatmentsForOrganicCoatingsSteel,Chrome- Nickel-Molybdenum,(E4340),BarsandReforgi ngStockSurfaceTreatmentsandInorganicCoat ingsforMetalSurfacesofHeaponsSystemsStee lBars,ReforgingStock,andMechanicalTubing ,LOWA lloy,PremiumQualltyCoating,Cadmium,TinCa dmiumandZinc(MechanicallyDeposited)Metal s.

3 TestMethodsSamplingProcedureandTablesfor InspectionbyAttributesFastenerTestMethod s-Method1,SaltSprayFastenerTestMethods-M ethod5,StressDurabilityFastenerTestMetho ds-Method12,ThicknessofMetallicCoatingsF astenerTestMethods-Method14,StressDurabi lity(InternallyThreadedFasteners)(Unless otherwiseindicated,copiesoffederalandmil itaryspecifica-tionsandstandardsareavail ablefr&ntheStandardizationDocumentsOrder Desk,Building4D,700 RobblnsAvenue,Philadelphia,PA19111-5094. ) , ,theissuesofdocumentsnotlistedintheDODIS S aretheissuesofthedocumentscitedinthesoli citation( ).

4 AMERICANSOCIETYFORTESTINGANDMATERIALS(AS TM)ASTM8117-SaltSpray(Fog)TestingASTM624 4-MeasurementofThicknessofAnodicCoatings onAlum~numandofotherNonconductiveCoating sonNonmagneticBasisMetalswithEddy-Curren tInstrumentsASTM6487-MeasurementofMetala ndOxideCoatingThicknessesbyMicroscopical ExaminationofaCrossSection7L(&P-416 FASTM8499-MeasurementofCoatingThicknesse sbytheMagneticMethod:NonmagneticCoatings onMagneticBasisMetalsASTM8504-Measuremen tofThicknessofMetallicCoatingsbytheCoulo metricMethodASTMB567-MeasurementofCoatin gThicknessbytheBetaBackscatterMethodASTM B568-MeasurementofCoatingThicknessbyX-Ra ySpectrometryASTME8-TensionTestingofMeta llfcMater~als(Applicationforcopiesshould beaddressedtotheAmericanSocietyforTestin gandMaterials(ASTM),1916 RaceStreet,Philadelphia,PA19103-1187.))

5 ( ) , ,however, ( ),partshavinganultimatetensilestrengthof greaterthan200ksi(orttRC43) ( ),partswhichhavebeenmachined,ground,cold formed,orcoldstraightenedafterheattreatm ent,shallreceiveastressrelieftreatmentin accordancewithTableIorTableIA,asapplicab le,priortoshotpeening,cleaning, , ( ), (orHRC36)orabove,shallbecleanedinaccorda ncewithMIL-S-5002 (picklingIsnotpermitted). (reverse) (direct) operations,thearticle, ( ),theIbeappliedafterallbasismetalheattre atmentsandmechanicalsuchasmachining,braz ing,welding,forming, ( ),cadm~umshalldirectlyonthebasismetalwit houtapreliminaryplatingofothermetal,exce ptinthecaseofpartsmadeofcorrosionresista ntalloysonwhichapreliminaryplatingofnick elorcoppermaybenecessary,oronpartsmadeof aluminumonwhichapreliminarytreatment,suc hasthezincateprocess, ( ), ,includingrootsofthreads,corners, ( )

6 ,theuseofbrighteningagents,orotheradditi veswhichproducebrighteneddeposits,inthep latingsolutionisprohibitedoncomponentswi thanultimatetensilestrengthof160ksi(orii RC36) (notcausedbybrighteningagents)ordulllust ershallbeacceptable( ). ,trackrollerstuds,andendwashersofneedlet rackrollerbearings,theamountofbrighten-e raddedtotheplatingbathshallbelimitedto20 % ( ),orstatedintheendproductspecificationor drawing,allpartsshallbebakedwithin4hours aftertheplatingoperationiscompletedasspe cifiedinTableIorTableIA, , ( ). ( ),thecadmiumplatingshallbeTypeIIonpartst hatwillnotsubsequentlybecompletelycoated andTypeIIIonpartsthatwillsubsequentlybec ompletelycoated( ).

7 ( ),thechromatetreatmentrequ~redforconvers iontoTypeIIshallbeatreatmentinorwithanaq ueoussolutionofsalts,acids,orboth,toprod uceacontinuoussmooth,distinctprotectivef ilm,distinctlycolorediridescentbronzetob rowninclud~ngolivedrab,yellow, ( ), ( ), , ,itshallbeClass2,ForTypes11andIII, ,includingpartswithinternalthreads, ,themethodofprotectionshallbespecified( ). ,theplatingshallnotshowseparationfromthe basismetalnorfromanyunderplayingattheint erface, ,theunderplateorcombinationofbothwhichdo notresultinflaklng, ( )shallnotshowwhitecorrosionproductsofcad mium,pitting, ,exceptthatwhitecorrosionproductsattheed gesofspecimens( ) ,hydrogenembrittlementtestingisrequiredf orpartsheattreatedto160ksi(orHRC36)orabo ve,butisnotrequiredforbearings,exceptrod endbearingbodies,trackrollerbearingstuds , , , ,State,andlocalguide~~nes( ).

8 ,adherent,uniformpits,nodules,burning, , ,whichhasbeendemonstratedasresultingfrom rinsing, ,thecontractorisresponsiblefortheperform anceofallinspectionrequirements(examinat ionsandtests) ,thecon-tractormayusehisownoranyotherfac ilitiessuitablefortheperformanceoftheins pectionrequirementsspecifiedherein, ,aspartofmanufacturingoperations,isanacc eptablepracticetoascertainconformancetor equirements,however,thisdoesnotauthorize submissionofknowndefectivematerial,eithe rindicatedoractual, ( ). ( ) ( ) ( ) ,showingalladditionsofchemicalsortreatme ntsolutionstotheunit, ,suchrecords,aswellasreportsofthetestres ults,shallbemadeavail-able, , , , , , , ,theyshallbestripsapproximately1inchwide ,4incheslong, ,theyshallbepanelsnotlessthan6inchesInle ngth,4tnchesInwidth, ,oneormoreheatsofalloysteel4340conformin gtoMIL-S-5000orMIL-S-8844,Classi,orthesa mematerialasthepartbeingrepresented, ~ (Lotbylotinspection).

9 ,method520(electronictest),ASTM6499(magn etictest),ASTMB244(eddycurrent),ASTM6567 (testbybetaradiationbackscatterprinciple )orASTM6568(X-rayspectrometry) ,proceduresInaccordancewithASTM6487(micr oscopic)orASTM6504(coulometric) , ,TypesIIandIII, , (apasteoflevigatedaluminarubbedonwiththe finger).Thephosphatecoatingmayberemovedf romtheType111coatingbyimmersingthespecim enina10percentsolutionofNaOHandscrubbing witharubberpoliceman(usuallytakesfrom10t o15minutes). (Productioncontroltest).Adhesionshallbed eterminedbyscrapingthesurfaceorshearingw ithasharpedge,knife, , , resforTo\pre-plating,cleaning,andplating pro~esses,aswellasthematerials, (Productioncontroltest).

10 Corrosionstanceshallbeconductedinaccorda ncewithASTMB117(saltsDravtest)96hoursor, forfastenerhardware,inaccordancewithMIL- STD~ , ( ) , ,000poundsorreasonableloadlimitsoftesteq uipment, ,thenotchedspecimenprocedure( ) ,trackrollerbearingstuds,andendwashersof needletrackrollerbearingsshallbeeitherth eplatedbearingcomponentornotchedspecimen s, soption, ,lockrings,etc.,whichareinstalledinholes orrods, (ThissectionIsnotapplicabletothisspecifi cation.)NOTES(Thissectioncontainsinforma tionofageneralorexplanatorynaturemaybehe lpful,butisnotmandatory.) partsheat-treat~dto,orhavingultimatetens ilestrengthof160ksi(orHRC36)orgreater, F(232 C) , , ,suchaschainsandsprings,itmaybehelpfulto usethemechanicaldepositionmethodofcadmiu mplating.