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1、...QQ-W293ANovember12,1971SUPERSEDINGFed.Speo.QQ-~-290April5,1954FEDEIMLSPECIFICATIONtrn22tBLpLATING(nEcTsDDEf1351TE0)Thisspecificationwasapprovedbythecommissioner,..:FederalSupplyService,GeneralServicesAdminiatrati.on;fortheuseofeJ.1Federal.agencies.1.SCOPEANDC
2、LAMZFICATION1.1@&.Thisspecificationcoverstherequirements‘forelectrodepositednickelplatingonsteel,copperandcopperalloys,andzincandzincalloys.1.2Classification.1.2.1Claeset3.Electrodepositednickelplatingcoveredbythiespecificationshallbeofthefollowinsclasses,asspec
3、ified(see6.2):Class1-Corronionprotectiveplating.Claes2-Engineeringpl.ati.ng1.2.2Grades.class1platingibdlbeofthefollowinggrades,asspecified(see6.2):GradeA-0.0016inchthick.GradeB-0.0012inchthickGradeC-0.0010inchthickGradeD-0.0008inchthickGradeE-0.0006inchthickGrad
4、eF-0.0004inchthickGradeG-,0.0002inchthick;:.APPiJCABLEDOCIJMFIJ’232.1Thefollowingdocuments,oftheissueineffectondateofinvitationforbids“ox”requestforproposal,formapartofthe.speci-ficationtotheextentspecifiedherein.cM-N-290A.,..,.,....,..,,.,..-Fsdsra2Specificati
5、on:QQ-S-6Z-&dS~r,412.oy,HotRolledandOddFirrkhal(General.FsderslSt.admi:Fed.TestMethodStd.No.151-Metals;TedMetheds.(ActivitiesoutsidetheFedsrsJ.GovernmentmayobteincopiasofFsders2Specifications,Stsndsrde,,and“RandbodcsasuutlinsdunderCensrsJ.Informationinthe”Iudexo
6、fFederslSpectiicationea!dS&n&r&tiatthepricesindicatsdi.theIndex.TheIndex,whichinshdes~ti.emomeUpplEIUEntiaeissued,isforsaleonas.bsorip.@OnbaeiebYtiefipmi.tetientOfDOc=n+=~U.S,OuvermnentPrintingOffice,,Wa6hiugt0n,Ik720402.(SiuglecopiesofthisepeoifioationdothsrFed
7、erslSpecificati.onerequiredbyactivitiesoutsidetheFederelOover-tforbiddiugpurpose=SZ.eavailabletitho.tckcgefr~Rustie~eStiCeCentisattheOeneralServioesAddniatrat.ionReg20nal0ffioe8inBoston,NewYork,Weshingten,DC,AtI-anti,obicage,KnnsasCity,MD,FortWOfi,Dan.er,ScuIFra
8、ncieco,L09Angeles,andSeattle,WA.(FederalCOvarnmentaot.ivitieamayobtaincopiesofFederslSpecifications,Sttu&.rdE,sndHandhoksandtheIndexofFedaralSpecifi@at30~andStandardr