Designation:F2281−04(Reapproved2017)StandardSpecificationforStainlessSteelandNickelAlloyBolts,HexCapScrews,andStuds,forHeatResistanceandHighTemperatureApplications1ThisstandardisissuedunderthefixeddesignationF2281;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversthechemicalandmechanicalrequirementsforstainlesssteelandnickelalloybolts,hexcapscrews,andstuds,1⁄4in.diameterandlarger,intendedforuseattemperaturesupto1800°F(982°C),andinapplicationswhereresistancetoheatandtheeffectsofhightemperaturearetobeconsidered.SeeAppendixX1forServiceApplication.Awidevarietyofmaterialsarecoveredinthisspecificationwhichcanbeusedathightemperaturesasafunctionofthespecificalloyproperties,aswellasenvironmentalrequire-mentsincludingcorrosiveenvironments.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2A262PracticesforDetectingSusceptibilitytoIntergranularAttackinAusteniticStainlessSteelsA276SpecificationforStainlessSteelBarsandShapesA342/A342MTestMethodsforPermeabilityofWeaklyMagneticMaterialsA380PracticeforCleaning,Descaling,andPassivationofStai...
