Designation:F3055−14aStandardSpecificationforAdditiveManufacturingNickelAlloy(UNSN07718)withPowderBedFusion1ThisstandardisissuedunderthefixeddesignationF3055;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisspecificationcoversadditivelymanufacturedUNSN07718componentsusingfull-meltpowderbedfusionsuchaselectronbeammeltingandlasermelting.Thecomponentsproducedbytheseprocessesareusedtypicallyinapplicationsthatrequiremechanicalpropertiessimilartomachinedforgingsandwroughtproducts.Componentsmanufacturedtothisspecificationareoften,butnotnecessarily,postprocessedviamachining,grinding,electricaldischargemachining(EDM),polishing,andsoforthtoachievedesiredsurfacefinishandcriticaldimensions.1.2Thisspecificationisintendedfortheuseofpurchasersorproducers,orboth,ofadditivelymanufacturedUNSN07718componentsfordefiningtherequirementsandensuringcom-ponentproperties.1.3Usersareadvisedtousethisspecificationasabasisforobtainingcomponentsthatwillmeettheminimumacceptancerequirementsestablishedandrevisedbyconsensusofthemembersofthecommittee.1.4Userrequirementsconsideredmorestringentmaybemetbytheadditiontothepurchaseorderofoneormoresupplementaryrequirements,whichmayinclude,butarenotlimitedto,thoselistedinSupplementaryRequirementsS1–S16.1.5Units—ThevaluesstatedinSIunitsaretoberegardedasthestandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B213TestMethodsforFlowRateofMetalPowdersUsingtheHallFlowmeterFunnelB214TestMethodforSieveAnalysisofMetalPowdersB243TerminologyofPowderMetallurgyB311T...
