Designation:F2281−04(Reapproved2012)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-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A262PracticesforDetectingSusceptibilitytoIntergranularAttackinAusteniticStainlessSteelsA276SpecificationforStainlessSteelBarsandShapesA342/A342MTestMethodsforPermeabilityofFeeblyMagneticMaterialsA380PracticeforCleaning,Descaling,andPassivationofStainlessSteelParts,Equipment,andSystemsA484/A484MSpecificationforGeneralRequirementsforStainlessSteelBars,Billets,andForgingsA493SpecificationforStainlessSteelWireandWireRodsforColdHeadingandColdForgingA564/A564MSpecificationforHot-RolledandCold-FinishedAge-HardeningStainlessSteelBarsandShapesA582/A58...
