ASTM_B_338_-_17.pdf

Designation:B33817Standard Specification forSeamless and Welded Titanium and Titanium Alloy Tubesfor Condensers and Heat Exchangers1This standard is issued under the fixed designation B338;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 parentheses 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 specification2covers the requirements for 28grades of titanium and titanium alloy tubing intended forsurface condensers,evaporators,and heat exchangers,as fol-lows: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 7UNS R52400.Unalloyed titanium plus 0.12to 0.25%palladium,1.1.4.1 Grade 7HUNS R52400.Unalloyed titanium plus0.12 to 0.25%palladium(Grade 7 with 58 ksi(400 MPa)minimum UTS),1.1.5 Grade 9UNS R56320.Titanium alloy(3%aluminum,2.5%vanadium),1.1.6 Grade 11UNS R52250.Unalloyed titanium plus0.12 to 0.25%palladium,1.1.7 Grade 12UNS R53400.Titanium alloy(0.3%molybdenum,0.8%nickel),1.1.8 Grade 13UNS R53413.Titanium alloy(0.5%nickel,0.05%ruthenium),1.1.9 Grade 14UNS R53414.Titanium alloy(0.5%nickel,0.05%ruthenium),1.1.10 Grade 15UNS R53415.Titanium alloy(0.5%nickel,0.05%ruthenium),1.1.11 Grade 16UNS R52402.Unalloyed titanium plus0.04 to 0.08%palladium,1.1.11.1 Grade 16HUNS R52402.Unalloyed titaniumplus 0.04 to 0.08%palladium(Grade 16 with 58 ksi(400MPa)minimum UTS),1.1.12 Grade 17UNS R52252.Unalloyed titanium plus0.04 to 0.08%palladium,1.1.13 Grade 18UNS R56322.Titanium alloy(3%aluminum,2.5%vanadium)plus 0.04 to 0.08%palladium,1.1.14 Grade 26UNS R52404.Unalloyed titanium plus0.08 to 0.14%ruthenium,1.1.14.1 Grade 26HUNS R52404.Unalloyed titaniumplus 0.08 to 0.14%ruthenium(Grade 26 with 58 ksi(400MPa)minimum UTS),1.1.15 Grade 27UNS R52254.Unalloyed titanium plus0.08 to 0.14%ruthenium,1.1.16 Grade 28UNS R56323.Titanium alloy(3%aluminum,2.5%vanadium)plus 0.08 to 0.14%ruthenium,1.1.17 Grade 30UNS R53530.Titanium alloy(0.3%cobalt,0.05%palladium),1.1.18 Grade 31UNS R53532.Titanium alloy(0.3%cobalt,0.05%palladium),1.1.19 Grade 33UNS R53442.Titanium alloy(0.4%nickel,0.015%palladium,0.025%ruthenium,0.15%chromium),1.1.20 Grade 34UNS R53445.Titanium alloy(0.4%nickel,0.015%palladium,0.025%ruthenium,0.15%chromium),1.1.21 Grade 35UNS R56340.Titanium alloy(4.5%aluminum,2%molybdenum,1.6%vanadium,0.5%iron,0.3%silicon),1.1.22 Grade 36UNS R58450.Titanium alloy(45%niobium),1.1.23 Grade 37UNS R52815.Titanium alloy(1.5%aluminum),1.1.24 Grade 38UNS R54250.Titanium alloy(4%aluminum,2.5%vanadium,1.5%iron),and1.1.25 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 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 mathematical1This 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 1,2017.Published July 2017.Originally approvedin 1958.Last previous edition approved in 2014 as B338 14.DOI:10.1520/B0338-17.2For ASME Boiler and Pressure Vessel Code applications,see related Specifi-cation SB-338 in Section II of that Code.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 conversions to SI units that are provided for information onlyand are not considered standard.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsE8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE213 Practice