1、Designation:B34813Standard Specification forTitanium and Titanium Alloy Bars and Billets1This standard is issued under the fixed designation B348;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in p
2、arentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1.Scope*1.1 This specification2covers annealed titanium and tita-nium alloy bars
3、 and billets as follows:1.1.1 Grade 1UNS R50250.Unalloyed titanium,1.1.2 Grade 2UNS R50400.Unalloyed titanium,1.1.2.1 Grade 2HUNS R50400.Unalloyed titanium(Grade 2 with 58 ksi(400 MPa)minimum UTS),1.1.3 Grade 3UNS R50550.Unalloyed titanium,1.1.4 Grade 4UNS R50700.Unalloyed titanium,1.1.5 Grade 5UNS
4、R56400.Titanium alloy(6%aluminum,4%vanadium),1.1.6 Grade 6UNS R54520.Titanium alloy(5%aluminum,2.5%tin),1.1.7 Grade 7UNS R52400.Unalloyed titanium plus 0.12to 0.25%palladium,1.1.7.1 Grade 7HUNS R52400.Unalloyed titanium plus0.12 to 0.25%palladium(Grade 7 with 58 ksi(400 MPa)minimum UTS),1.1.8 Grade
5、9UNS R56320.Titanium alloy(3%aluminum,2.5%vanadium),1.1.9 Grade 11UNS R52250.Unalloyed titanium plus0.12 to 0.25%palladium,1.1.10 Grade 12UNS R53400.Titanium alloy(0.3%molybdenum,0.8%nickel),1.1.11 Grade 13UNS R53413.Titanium alloy(0.5%nickel,0.05%ruthenium),1.1.12 Grade 14UNS R53414.Titanium alloy(
6、0.5%nickel,0.05%ruthenium),1.1.13 Grade 15UNS R53415.Titanium alloy(0.5%nickel,0.05%ruthenium),1.1.14 Grade 16UNS R52402.Unalloyed titanium plus0.04 to 0.08%palladium,1.1.14.1 Grade 16HUNS R52402.Unalloyed titaniumplus 0.04 to 0.08%palladiumm(Grade 16 with 58(400 MPa)ksi minimum UTS),1.1.15 Grade 17
7、UNS R52252.Unalloyed titanium plus0.04 to 0.08%palladium,1.1.16 Grade 18UNS R56322.Titanium alloy(3%aluminum,2.5%vanadium)plus 0.04 to 0.08%palladium,1.1.17 Grade 19UNS R58640.Titanium alloy(3%aluminum,8%vanadium,6%chromium,4%zirconium,4%molybdenum),1.1.18 Grade 20UNS R58645.Titanium alloy(3%aluminu
8、m,8%vanadium,6%chromium,4%zirconium,4%molybdenum)plus 0.04%0.08%palladium,1.1.19 Grade 21UNS R58210.Titanium alloy(15%molybdenum,3%aluminum,2.7%niobium,0.25%silicon),1.1.20 Grade 23UNS R56407.Titanium alloy(6%aluminum,4%vanadium with extra low interstitial elements,ELI),1.1.21 Grade 24UNS R56405.Tit
9、anium alloy(6%aluminum,4%vanadium)plus 0.04%to 0.08%palladium,1.1.22 Grade 25UNS R56403.Titanium alloy(6%aluminum,4%vanadium)plus 0.3%to 0.8%nickel and0.04%to 0.08%palladium,1.1.23 Grade 26UNS R52404.Unalloyed titanium plus0.08 to 0.14%ruthenium,1.1.23.1 Grade 26HUNS R52404.Unalloyed titaniumplus 0.
10、08 to 0.14%ruthenium(Grade 26 with 58 ksi(400MPa)minimum UTS),1.1.24 Grade 27UNS R52254.Unalloyed titanium plus0.08 to 0.14%ruthenium,1.1.25 Grade 28UNS R56323.Titanium alloy(3%aluminum,2.5%vanadium plus 0.080.14%ruthenium),1.1.26 Grade 29UNS R56404.Titanium alloy(6%aluminum,4%vanadium,extra low int
11、erstitial,ELI plus 0.08to 0.14%ruthenium),1.1.27 Grade 30UNS R53530.Titanium alloy(0.3%cobalt,0.05%palladium),1.1.28 Grade 31UNS R53532.Titanium alloy(0.3%cobalt,0.05%palladium),1.1.29 Grade 32UNS R55111.Titanium alloy(5%aluminum,1%tin,1%zirconium,1%vanadium,0.8%molybdenum),1.1.30 Grade 33UNS R53442
12、.Titanium alloy(0.4%nickel,0.015%palladium,0.025%ruthenium,0.15%chromium),1This specification is under the jurisdiction of ASTM Committee B10 onReactive and Refractory Metals and Alloys and is the direct responsibility ofSubcommittee B10.01 on Titanium.Current edition approved July 1,2013.Published
13、August 2013.Originallyapproved in 1959.Last previous edition approved in 2011 as B348 11.DOI:10.1520/B0348-13.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SB-348 in Section II of that Code.*A Summary of Changes section appears at the end of this standardCopyright
14、 ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 1.1.31 Grade 34UNS R53445.Titanium alloy(0.4%nickel,0.015%palladium,0.025%ruthenium,0.15%chromium),1.1.32 Grade 35UNS R56340.Titanium alloy(4.5%aluminum,2%molybdenum,1.6%vanadium,0.5%iron,0.3%silicon
15、),1.1.33 Grade 36UNS R58450.Titanium alloy(45%niobium),1.1.34 Grade 37UNS R52815.Titanium alloy(1.5%aluminum),and1.1.35 Grade 38UNS R54250.Titanium alloy(4%aluminum,2.5%vanadium,1.5%iron).NOTE1H grade material is identical to the corresponding numericgrade(that is,Grade 2H=Grade 2)except for the hig
16、her guaranteedminimum UTS,and may always be certified as meeting the requirementsof its corresponding numeric grade.Grades 2H,7H,16H,and 26H areintended primarily for pressure vessel use.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:3E8 Test Methods for Tension Testing of Metallic Materials
