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1、Designation:B34810StandardSpecificationfor1TitaniumandTitaniumAlloyBarsandBilletsThisstandardisissuedunderthefixeddesignationB348;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearofla
2、streapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1.15Grade17—Unalloyedtitaniumplus0.04to0.08%1.1Thisspecification2coversannealedtitaniumandtita-palladium,niumalloybarsa
3、ndbilletsasfollows:1.1.16Grade18—Titaniumalloy(3%aluminum,2.5%1.1.1Grade1—Unalloyedtitanium,vanadium)plus0.04to0.08%palladium,1.1.2Grade2—Unalloyedtitanium,1.1.17Grade19—Titaniumalloy(3%aluminum,8%1.1.2.1Grade2H—Unalloyedtitanium(Grade2with58vanadium,6%chromium,4%zirconium,4%molybdenum),ks
4、iminimumUTS),1.1.18Grade20—Titaniumalloy(3%aluminum,8%1.1.3Grade3—Unalloyedtitanium,vanadium,6%chromium,4%zirconium,4%molybdenum)1.1.4Grade4—Unalloyedtitanium,plus0.04%–0.08%palladium,1.1.5Grade5—Titaniumalloy(6%aluminum,4%vana-1.1.19Grade21—Titaniumalloy(15%molybdenum,3%dium),aluminum,2.7
5、%niobium,0.25%silicon),1.1.6Grade6—Titaniumalloy(5%aluminum,2.5%tin),1.1.20Grade23—Titaniumalloy(6%aluminum,4%1.1.7Grade7—Unalloyedtitaniumplus0.12to0.25%vanadiumwithextralowinterstitialelements,ELI),palladium,1.1.21Grade24—Titaniumalloy(6%aluminum,4%1.1.7.1Grade7H—Unalloyedtitaniumplus0.1
6、2to0.25%vanadium)plus0.04%to0.08%palladium,palladium(Grade7with58ksiminimumUTS),1.1.22Grade25—Titaniumalloy(6%aluminum,4%1.1.8Grade9—Titaniumalloy(3%aluminum,2.5%va-vanadium)plus0.3%to0.8%nickeland0.04%to0.08%nadium),palladium,1.1.9Grade11—Unalloyedtitaniumplus0.12to0.25%1.1.23Grade26—Unal
7、loyedtitaniumplus0.08to0.14%palladium,ruthenium,1.1.10Grade12—Titaniumalloy(0.3%molybdenum,1.1.23.1Grade26H—Unalloyedtitaniumplus0.08to0.8%nickel),0.14%ruthenium(Grade26with58ksiminimumUTS),1.1.11Grade13—Titaniumalloy(0.5%nickel,0.05%1.1.24Grade27—Unalloyedtit
