ASTM-B381-2013

Designation:B381−13StandardSpecificationforTitaniumandTitaniumAlloyForgings1ThisstandardisissuedunderthefixeddesignationB381;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecification2covers39gradesofannealedtita-niumandtitaniumalloyforgingsasfollows:1.1.1GradeF-1—UNSR50250.Unalloyedtitanium,1.1.2GradeF-2—UNSR50400.Unalloyedtitanium,1.1.2.1GradeF-2H—UNSR50400.Unalloyedtitanium(Grade2with58ksi(400MPa)minimumUTS),1.1.3GradeF-3—UNSR50550.Unalloyedtitanium,1.1.4GradeF-4—UNSR50700.Unalloyedtitanium,1.1.5GradeF-5—UNSR56400.Titaniumalloy(6%aluminum,4%vanadium),1.1.6GradeF-6—UNSR54520.Titaniumalloy(5%aluminum,2.5%tin),1.1.7GradeF-7—UNSR52400.Unalloyedtitaniumplus0.12to0.25%palladium,1.1.7.1GradeF-7H—UNSR52400.Unalloyedtitaniumplus0.12to0.25%palladium(Grade7with58ksi(400MPa)minimumUTS),1.1.8GradeF-9—UNSR56320.Titaniumalloy(3%aluminum,2.5%vanadium),1.1.9GradeF-11—UNSR52250.Unalloyedtitaniumplus0.12to0.25%palladium,1.1.10GradeF-12—UNSR53400.Titaniumalloy(0.3%molybdenum,0.8%nickel),1.1.11GradeF-13—UNSR53413.Titaniumalloy(0.5%nickel,0.05%ruthenium),1.1.12GradeF-14—UNSR53414.Titaniumalloy(0.5%nickel,0.05%ruthenium),1.1.13GradeF-15—UNSR53415.Titaniumalloy(0.5%nickel,0.05%ruthenium),1.1.14GradeF-16—UNSR52402.Unalloyedtitaniumplus0.04to0.08%palladium,1.1.14.1GradeF-16H—UNSR52402.Unalloyedtitaniumplus0.04to0.08%palladium(Grade16with58ksi(400MPa)minimumUTS),1.1.15GradeF-17—UNSR52252.Unalloyedtitaniumplus0.04to0.08%palladium,1.1.16GradeF-18—UNSR56322.Titaniumalloy(3%aluminum,2.5%vanadium)plus0.04%to0.08%palladium,1.1.17GradeF-19—UNSR58640.Titaniumalloy(3%aluminum,8%vanadium,6%chromium,4%zirconium,4%molybdenum),1.1.18GradeF-20—UNSR58645.Titaniumalloy(3%aluminum,8%vanadium,6%chromium,4%zirconium,4%molybdenum)plus0.04to0.08%palladium,1.1.19GradeF-21—UNSR58210.Titaniumalloy(3%aluminum,2.7%niobium,15%molybdenum,0.25%silicon),1.1.20GradeF-23—UNSR56407.Titaniumalloy(6%aluminum,4%vanadium,extralowinterstitials,ELI),1.1.21GradeF-24—UNSR56405.Titaniumalloy(6%aluminum,4%vanadium)plus0.04to0.08%palladium,1.1.22GradeF-25—UNSR56403.Titaniumalloy(6%aluminum,4%vanadium)plus0.3to0.8%nickeland0.04to0.08%palladium,1.1.23GradeF-26—UNSR52404.Unalloyedtitaniumplus0.08to0.14%ruthenium,1.1.23.1GradeF-26H—UNSR52404.Unalloyedtitaniumplus0.08to0.14%ruthenium(Grade26with58ksi(400MPa)minimumUTS),1.1.24GradeF-27—UNSR52254.Unalloyedtitaniumplus0.08to0.14%ruthenium,1.1.25GradeF-28—UNSR56323.Titaniumalloy(3%aluminum,2.5%vanadiumplus0.08to0.14%ruthenium),1.1.26GradeF-29—UNSR56404.Titaniumalloy(6%aluminum,4%vanadium,extralowinterstitial,ELIplus0.08to0.14%ruthenium),1.1.27GradeF-30—UNSR53530.Titaniumalloy(0.3%cobalt,0.05%palladium),1.1.28GradeF-31—UNSR53532.Titaniumalloy(0.3%cobalt,0.05%palladium),1.1.29GradeF-32—UNSR55111.Titaniumalloy(5%aluminum,1%vanadium,1%tin,1%zirconium,0.8%molybdenum),1.1.30GradeF-33—UNSR53442.Titaniumalloy(0.4%nickel,0.015%palladium,0.025%ruthenium,0.15%chromium),1ThisspecificationisunderthejurisdictionofASTMCommitteeB10onReactiveandRefractoryMetalsandAlloysandisthedirectresponsibilityofSubcommitteeB10.01onTitanium.CurrenteditionapprovedJuly1,2013.PublishedAugust2013.Originallyapprovedin1961.Lastpreviouseditionapprovedin2010asB381–10ε1.DOI:10.1520/B0381-13.2ForASMEBoilerandPressureVesselCodeapplications,seerelatedSpecifi-cationSB-381inSectionIIofthatCode.*ASummaryofChangessectionappearsattheendofthisstandardCopyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959.UnitedStates11.1.31GradeF-34—UNSR53445.Titaniumalloy(0.4%nickel,0.015%palladium,0.025%ruthenium,0.15%chromium),1.1.32GradeF-35—UNSR56340.Titaniumalloy(4.5%aluminum,2%molybdenum,1.6%vanadium,0.5%iron,0.3%silicon),1.1.33GradeF-36—UNSR58450.Titaniumalloy(45%niobium),1.1.34GradeF-37—UNSR52815.Titaniumalloy(1.5%aluminum),and1.1.35GradeF-38—UNSR54250.Titaniumalloy(4%aluminum,2.5%vanadium,1.5%iron).NOTE1—Hgradematerialisidenticaltothecorrespondingnumericgrade(thatis,Grade2H=Grade2)exceptforthehigherguaranteedminimumUTS,andmayalwaysbecertifiedasmeetingtherequirementsofitscorrespondingnumericgrade.Grades2H,7H,16H,and26Hareintendedprimarilyforpressurevesseluse.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:3B348SpecificationforTitaniumandTitaniumAlloyBarsandBilletsE8TestMethodsforTensionTestingofMetallicMaterialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE539TestMethodforAnalysisofTitaniumAlloysbyX-RayFluorescenceSpectrometryE1409TestMethodforDeterminationofOxygenandNitro-geninTitaniumandTitaniumAlloysbytheInertGasFusionTechniqueE1447TestMethodforDeterminationofHydrogeninTita-niumandTitaniumAlloysbyInertGasFusionThermalConductivity/