1、Designation:B86214Standard Specification forTitanium and Titanium Alloy Welded Pipe1This standard is issued under the fixed designation B862;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 parent
2、heses 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 U.S.Department of Defense.1.Scope*1.1 This specification covers the requirements for 33 gradesof titanium a
3、nd titanium alloy welded pipe intended for generalcorrosion resisting and elevated temperature service 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 3
4、UNS R50550.Unalloyed titanium,1.1.4 Grade 5UNS R56400.Titanium alloy(6%aluminum,4%vanadium),1.1.5 Grade 7UNS R52400.Unalloyed titanium plus 0.12to 0.25%palladium,1.1.5.1 Grade 7HUNS R52400.Unalloyed titanium plus0.12 to 0.25%palladium(Grade 7 with 58 ksi(400 MPa)minimum UTS),1.1.6 Grade 9UNS R56320.
5、Titanium alloy(3%aluminum,2.5%vanadium),1.1.7 Grade 11UNS R52250.Unalloyed titanium plus0.12 to 0.25%palladium,1.1.8 Grade 12UNS R53400.Titanium alloy(0.3%molybdenum,0.8%nickel),1.1.9 Grade 13UNS R53413.Titanium alloy(0.5%nickel,0.05%ruthenium),1.1.10 Grade 14UNS R53414.Titanium alloy(0.5%nickel,0.0
6、5%ruthenium),1.1.11 Grade 15UNS R53415.Titanium alloy(0.5%nickel,0.05%ruthenium),1.1.12 Grade 16UNS R52402.Unalloyed titanium plus0.04 to 0.08%palladium,1.1.12.1 Grade 16HUNS R52402.Unalloyed titaniumplus 0.04 to 0.08%palladium(Grade 16 with 58 ksi(400MPa)minimum UTS),1.1.13 Grade 17UNS R52252.Unall
7、oyed titanium plus0.04 to 0.08%palladium,1.1.14 Grade 18UNS R56322.Titanium alloy(3%aluminum,2.5%vanadium plus 0.04 to 0.08%palladium),1.1.15 Grade 19UNS R58640.Titanium alloy(3%aluminum,8%vanadium,6%chromium,4%zirconium,4%molybdenum),1.1.16 Grade 20UNS R58645.Titanium alloy(3%aluminum,8%vanadium,6%
8、chromium,4%zirconium,4%molybdenum)plus 0.04 to 0.08%palladium,1.1.17 Grade 21UNS R58210.Titanium alloy(15%molybdenum,3%aluminum,2.7%niobium,0.25%silicon),1.1.18 Grade 23UNS R56407.Titanium alloy(6%aluminum,4%vanadium,extra low interstitial,ELI),1.1.19 Grade 24UNS R56405.Titanium alloy(6%aluminum,4%v
9、anadium)plus 0.04 to 0.08%palladium,1.1.20 Grade 25UNS R56403.Titanium alloy(6%aluminum,4%vanadium)plus 0.3 to 0.8%nickel and 0.04 to0.08%palladium,1.1.21 Grade 26UNS R52404.Unalloyed titanium plus0.08 to 0.14%ruthenium,1.1.21.1 Grade 26HUNS R52404.Unalloyed titaniumplus 0.08 to 0.14%ruthenium(Grade
10、 26 with 58 ksi(400MPa)minimum UTS),1.1.22 Grade 27UNS R52254.Unalloyed titanium plus0.08 to 0.14%ruthenium,1.1.23 Grade 28UNS R56323.Titanium alloy(3%aluminum,2.5%vanadium)plus 0.08 to 0.14%ruthenium,1.1.24 Grade 29UNS R56404.Titanium alloy(6%aluminum,4%vanadium with extra low interstitial elements
11、(ELI)plus 0.08 to 0.14%ruthenium,1.1.25 Grade 33UNS R53442.Titanium alloy(0.4%nickel,0.015%palladium,0.025%ruthenium,0.15%chromium),1.1.26 Grade 34UNS R53445.Titanium alloy(0.4%nickel,0.015%palladium,0.025%ruthenium,0.15%chromium),1.1.27 Grade 35UNS R56340.Titanium alloy(4.5%aluminum,2%molybdenum,1.
12、6%vanadium,0.5%iron,0.3%silicon),1.1.28 Grade 37UNS R52815.Titanium alloy(1.5%aluminum),1.1.29 Grade 38UNS R54250.Titanium alloy(4%aluminum,2.5%vanadium,1.5%iron),and1This specification is under the jurisdiction of ASTM Committee B10 onReactive and Refractory Metals and Alloys and is the direct resp
13、onsibility ofSubcommittee B10.01 on Titanium.Current edition approved Nov.1,2014.Published November 2014.Originallyapproved in 1995.Last previous edition approved in 2013 as B862 13a.DOI:10.1520/B0862-14.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,10
14、0 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 1.1.30 Grade 39UNS R53390.Titanium alloy(0.25%iron,0.4%silicon).NOTE1H grade material is identical to the corresponding numericgrade(that is,Grade 2H=Grade 2)except for the higher guaranteedminimum UTS,and may always be c
15、ertified as meeting the requirementsof its corresponding numeric grade.Grades 2H,7H,16H,and 26H areintended primarily for pressure vessel use.1.2 Pipe 8 in.NPS(nominal pipe size)and larger is mostfrequently custom made for an order.In such cases,thepurchaser carefully should consider the applicabili
16、ty of thisspecification.Since the pipe is custom made,the purchasermay choose a wall thickness other than those in Table 1 to meetspecific operating conditions.The purchaser may also be betterserved to specify only the portions of this specification that arerequired to meet the operating conditions(for example,annealing,flattening test,chemistry,properties,etc.).1.3 Optional supplementary requirements are provided forpipe where a greater degree of testing is desired.Thesesupplementary requiremen
