Designation:F594−09(Reapproved2015)StandardSpecificationforStainlessSteelNuts1ThisstandardisissuedunderthefixeddesignationF594;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverstherequirementsforstainlesssteelnuts0.25to1.50in.,inclusive,innominaldiameterinanumberofalloysincommonuseandintendedforserviceapplicationsrequiringgeneralcorrosionresistance.1.2Sevengroupsofstainlesssteelalloysarecovered,includingtenaustenitic,twoferritic,fourmartensitic,andoneprecipitationhardening.GroupAlloysAConditionB1304,305,304L384,18–9LW,302HQC(CW)coldworkedD2316,316L(CW)coldworkedD3321,347(CW)coldworkedD4430E(CW)coldworkedD5410F(H)hardenedandtempered6431(H)hardenedandtempered7630(AH)agedhardenedAUnlessotherwisespecifiedontheinquiryandorder,thechoiceofanalloyfromwithinagroupshallbeatthediscretionofthefastenermanufacturer(see6.1).BSee4.2foroptions.CWhenapprovedbythepurchaser,alloys303,303Se,orXM1maybefurnished.DSizes0.75in.andlargermaybehotworkedandsolutionannealed.EWhenapprovedbythepurchaser,alloy430Fmaybefurnished.FWhenapprovedbythepurchaser,alloy416or416Semaybefurnished.1.3Supplementaryrequirementsofanoptionalnatureareprovided,applicableonlywhenagreeduponbythemanufac-turerandthepurchaseratthetimeoftheinquiryandorder.1.4Suitablebolts,hexcapscrews,andstudsforusewithnutsincludedinthisspecificationarecoveredbySpecificationF593.Unlessotherwisespecified,allbolts,hexcapscrews,andstudsusedwiththesenutsshallconformtotherequirementsofSpecificationF593andshallbeofthesamealloygroup.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesno...
