1、Designation: B 861 08aStandard Specification forTitanium and Titanium Alloy Seamless Pipe1This standard is issued under the fixed designation B 861; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numbe
2、r 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 Department of Defense.1. Scope1.1 This specification covers the requirements for 34 gradesof
3、titanium and titanium alloy seamless pipe intended forgeneral corrosion resisting and elevated temperature service asfollows:1.1.1 Grade 1Unalloyed titanium, low oxygen,1.1.2 Grade 2Unalloyed titanium, standard oxygen,1.1.2.1 Grade 2HUnalloyed titanium (Grade 2 with 58ksi minimum UTS),1.1.3 Grade 3U
4、nalloyed titanium, medium oxygen,1.1.4 Grade 5Titanium alloy (6 % aluminum, 4 % vana-dium),1.1.5 Grade 7Unalloyed titanium plus 0.12 to 0.25 %palladium, standard oxygen,1.1.5.1 Grade 7HUnalloyed titanium plus 0.12 to 0.25 %palladium (Grade 7 with 58 ksi minimum UTS),1.1.6 Grade 9Titanium alloy (3 %
5、aluminum, 2.5 % va-nadium),1.1.7 Grade 11Unalloyed titanium plus 0.12 to 0.25 %palladium, low oxygen,1.1.8 Grade 12Titanium alloy (0.3 % molybdenum,0.8 % nickel),1.1.9 Grade 13Titanium alloy (0.5 % nickel, 0.05 % ru-thenium), low oxygen,1.1.10 Grade 14Titanium alloy (0.5 % nickel, 0.05 %ruthenium),
6、standard oxygen,1.1.11 Grade 15Titanium alloy (0.5 % nickel, 0.05 %ruthenium), medium oxygen,1.1.12 Grade 16Unalloyed titanium plus 0.04 to 0.08 %palladium, standard oxygen,1.1.12.1 Grade 16HUnalloyed titanium plus 0.04 to0.08 % palladium (Grade 16 with 58 ksi minimum UTS),1.1.13 Grade 17Unalloyed t
7、itanium plus 0.04 to 0.08 %palladium, low oxygen,1.1.14 Grade 18Titanium alloy (3 % aluminum, 2.5 %vanadium plus 0.04 to 0.08 % palladium),1.1.15 Grade 19Titanium alloy (3 % aluminum, 8 %vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),1.1.16 Grade 20Titanium alloy (3 % aluminum, 8 %vanadium,
8、6 % chromium, 4 % zirconium, 4 % molybdenum)plus 0.04 to 0.08 % palladium,1.1.17 Grade 21Titanium alloy (15 % molybdenum, 3 %aluminum, 2.7 % niobium, 0.25 % silicon),1.1.18 Grade 23Titanium alloy (6 % aluminum, 4 %vanadium, extra low interstitial, ELI),1.1.19 Grade 24Titanium alloy (6 % aluminum, 4
9、%vanadium) plus 0.04 to 0.08 % palladium,1.1.20 Grade 25Titanium alloy (6 % aluminum, 4 %vanadium) plus 0.3 to 0.8 % nickel and 0.04 to 0.08 %palladium,1.1.21 Grade 26Unalloyed titanium plus 0.08 to 0.14 %ruthenium,1.1.21.1 Grade 26HUnalloyed titanium plus 0.08 to0.14 % ruthenium (Grade 26 with 58 k
10、si minimum UTS),1.1.22 Grade 27Unalloyed titanium plus 0.08 to 0.14 %ruthenium,1.1.23 Grade 28Titanium alloy (3 % aluminum, 2.5 %vanadium plus 0.08 to 0.14 % ruthenium),1.1.24 Grade 29Titanium alloy (6 % aluminum, 4 %vanadium, extra low interstitial, ELI plus 0.08 to 0.14 %ruthenium),1.1.25 Grade 33
11、Titanium alloy (0.4 % nickel, 0.015 %palladium, 0.025 % ruthenium, 0.15 % chromium),1.1.26 Grade 34Titanium alloy (0.4 % nickel, 0.015 %palladium, 0.025 % ruthenium, 0.15 % chromium),1.1.27 Grade 35Titanium alloy (4.5 % aluminum, 2 %molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),1.1.28 Grade
12、 36Titanium alloy (45 % niobium),1.1.29 Grade 37Titanium alloy (1.5 % aluminum), and1.1.30 Grade 38Titanium alloy (4 % aluminum, 2.5 %vanadium, 1.5 % iron).NOTE 1H grade material is identical to the corresponding numericgrade (that is, Grade 2H = Grade 2) except for the higher guaranteedminimum UTS,
13、 and may always be certified as meeting the requirements1This 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 Aug. 1, 2008. Published August 2008. Ori
14、ginallyapproved in 1995. Last previous edition approved in 2008 as B 861 08.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H areintended primarily for pressure vessel use
15、.The H grades were added in response to a user association request basedon its study of over 5200 commercial Grade 2, 7, 16, and 26 test reports,where over 99 % met the 58 ksi minimum UTS.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mat
16、hematicalconversions to SI units that are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ASTM Standards:2A 370 Test Methods and Definitions for Mechanical Testingof Steel ProductsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance w
17、ith SpecificationsE 539 Test Method for X-Ray Fluorescence SpectrometricAnalysis of 6Al-4V Titanium AlloyE 1409 Test Method for Determination of Oxygen andNitrogen in Titanium and Titanium Alloys by the Inert GasFusion TechniqueE 1447 Test Method for Determination of Hydrogen inTitanium and Titanium
18、 Alloys by the Inert Gas FusionThermal Conductivity/Infrared Detection MethodE 1941 Test Method for Determination of Carbon in Refrac-tory and Reactive Metals and Their AlloysE 2371 Test Method for Analysis of Titanium and TitaniumAlloys by Atomic Emission Plasma SpectrometryE 2626 Guide for Spectro
19、metric Analysis of Reactive andRefractory Metals2.2 ANSI/ASME Standards:3B.1.20.1 Pipe Threads, General Purpose (Inch)B 36.10 Carbon, Alloy and Stainless Steel PipesB 36.19M-1985 Stainless Steel Pipe3. Terminology3.1 Definitions:3.1.1 lot, na number of pieces of pipe of the samenominal size and wall
20、 thickness manufactured by the sameprocess from a single heat of titanium or titanium alloy andheat treated by the same furnace parameters in the samefurnace.3.1.2 seamless pipe, na hollow tubular product producedwith a continuous periphery in all stages of manufacture.4. Ordering Information4.1 Ord
21、ers for materials under this specification shall in-clude the following information as required:4.1.1 Quantity,4.1.2 Grade number (Section 1 and Table 1),4.1.3 Nominal pipe size and schedule (Table 2),4.1.4 Diameter tolerance (Table 3),4.1.5 Length tolerance (see 9.3),4.1.6 Method of manufacture and
22、 finish (Sections 5 and 10),4.1.7 Product analysis, if required (Sections 6 and 7; Table1 and Table 4),4.1.8 Mechanical properties, (Sections 8, 14, 15, and 16 andTable 5),4.1.9 Packaging (Section 23),4.1.10 Inspection and test reports (Sections 19, 20 and 21),and4.1.11 Product marking (Section 22).
23、5. Manufacture5.1 Seamless pipe may be manufactured by any method thatwill yield a product meeting the requirements of this specifi-cation.5.2 Unless specified, cold worked pipe shall be heat treatedat a temperature of not less than 1000F (538C). Hot workedpipe finishing above 1400F (760C) need not
24、be further heattreated. The minimum heat treat conditions for Grade 9, 18,and 28 pipe delivered in the stress relieved condition shall be600F (316C) for at least 30 min.5.2.1 Grade 5, Grade 9, Grade 18, Grade 19, Grade 20,Grade 21, Grade 23, Grade 24, Grade 25, Grade 28, Grade 29,Grade 35, Grade 36,
25、 and Grade 38 alloys may be supplied inthe following conditions:5.2.1.1 Grade 5, Grade 23, Grade 24, Grade 25, Grade 29,Grade 35, or Grade 36annealed or aged condition,5.2.1.2 Grade 9, Grade 18, Grade 28, or Grade 38cold-worked and stress-relieved or annealed,5.2.1.3 Grade 9, Grade 18, Grade 23, Gra
26、de 28, or Grade29transformed-beta condition, and5.2.1.4 Grade 19, Grade 20, or Grade 21solution-treatedor solution-treated and aged.6. Chemical Requirements6.1 The grades of titanium and titanium alloy metal coveredby this specification shall conform to the requirements of thechemical compositions p
27、rescribed in Table 1.6.1.1 The elements listed in Table 1 are intentional alloyadditions or elements which are inherent to the manufacture oftitanium sponge, ingot or mill product.6.1.1.1 Elements other than those listed in Table 1 aredeemed to be capable of occurring in the grades listed in Table1
28、by and only by way of unregulated or unanalyzed scrapadditions to the ingot melt. Therefore, product analysis forelements not listed in Table 1 shall not be required unlessspecified and shall be considered to be in excess of the intentof this specification.6.1.2 Elements intentionally added to the m
29、elt must beidentified, analyzed and reported in the chemical analysis.6.2 When agreed upon by the producer and purchaser andrequested by the purchaser in his written purchase order,chemical analysis shall be completed for specific residualelements not listed in this specification.6.3 At least two sa
30、mples for chemical analysis shall betested to determine chemical composition. Samples shall betaken from the ingot or the opposite extremes of the product tobe analyzed.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annua
31、l Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.B 861 08a2TABLE 1 Chemical RequirementsAComposition, %ElementGrad
32、e 1 Grade 2 Grade 2H Grade 3 Grade 5 Grade 7 Grade 7H Grade 9 Grade 11 Grade 12 Grade 13Nitrogen, max 0.03 0.03 0.03 0.05 0.05 0.03 0.03 0.03 0.03 0.03 0.03Carbon, max 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08Hydrogen,B,Cmax 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.
33、015Iron, max 0.20 0.30 0.30 0.30 0.40 0.30 0.30 0.25 0.20 0.30 0.20Oxygen, max 0.18 0.25 0.25 0.35 0.20 0.25 0.25 0.15 0.18 0.25 0.10Aluminum . . . . 5.56.75. . 2.53.5. . .Vanadium . . . . 3.54.5. . 2.03.0. . .Tin . . . . . . . . . . .Ruthenium . . . . . . . . . . 0.040.06Palladium . . . . . 0.120.2
34、50.120.25. 0.120.25. .Molybdenum . . . . . . . . . 0.20.4.Chromium . . . . . . . . . . .Nickel . . . . . . . . . 0.60.90.40.6Niobium . . . . . . . . . . .Zirconium . . . . . . . . . . .Silicon . . . . . . . . . . .Residuals,D,E,Fmax each0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1Residuals,D,E,Fmax t
35、otal0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4TitaniumGbalance balance balance balance balance balance balance balance balance balance balanceElementComposition, %Grade 14 Grade 15 Grade 16 Grade 16H Grade 17 Grade 18 Grade 19 Grade 20 Grade 21 Grade 23 Grade 24Nitrogen, max 0.03 0.05 0.03 0.03 0.0
36、3 0.03 0.03 0.03 0.03 0.03 0.05Carbon, max 0.08 0.08 0.08 0.08 0.08 0.08 0.05 0.05 0.05 0.08 0.08Hydrogen,B,Cmax0.015 0.015 0.015 0.015 0.015 0.015 0.02 0.02 0.015 0.0125 0.015Iron, max 0.30 0.30 0.30 0.30 0.20 0.25 0.30 0.30 0.40 0.25 0.40Oxygen, max 0.15 0.25 0.25 0.25 0.18 0.15 0.12 0.12 0.17 0.1
37、3 0.20Aluminum . . . . . 2.53.53.04.03.04.02.53.55.56.55.56.75Vanadium . . . . . 2.03.07.58.57.58.5. 3.54.53.54.5Tin . . . . . . . . . . .Ruthenium 0.040.060.040.06. . . . . . . . .Palladium . . 0.040.080.040.080.040.080.040.08. 0.040.08. . 0.040.08Molybdenum . . . . . . 3.54.53.54.514.016.0. .Chrom
38、ium . . . . . . 5.56.55.56.5. . .Nickel 0.40.60.40.6. . . . . . . . .Niobium . . . . . . . . 2.23.2. .Zirconium . . . . . . 3.54.53.54.5. . .Silicon . . . . . . . . 0.150.25. .Residuals,D,E,Fmax each0.1 0.1 0.1 0.1 0.1 0.1 0.15 0.15 0.1 0.1 0.1Residuals,D,E,Fmax total0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
39、0.4 0.4 0.4TitaniumGbalance balance balance balance balance balance balance balance balance balance balanceElementComposition, %Grade 25 Grade 26 Grade 26H Grade 27 Grade 28 Grade 29 Grade 33 Grade 34 Grade 35 Grade 36 Grade 37 Grade 38Nitrogen, max 0.05 0.03 0.03 0.03 0.03 0.03 0.03 0.05 0.05 0.03
40、0.03 0.03Carbon, max 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.04 0.08 0.08Hydrogen,B,Cmax 0.0125 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.0035 0.015 0.015Iron, max or range 0.40 0.30 0.30 0.20 0.25 0.25 0.30 0.30 0.200.800.03 0.30 1.21.8B 861 08a37. Product Analysis7.1 When requested
41、by the purchaser and stated in thepurchase order, an analysis of chemical composition shall bemade on the finished product.7.2 The product analysis tolerances, listed in Table 4 do notbroaden the specified analysis requirements, but cover varia-tions between different laboratories in the measurement
42、 ofchemical content. The manufacturer shall not ship finishedproduct outside of the limits specified in Table 1 for theapplicable grade.8. Tensile Requirements8.1 The tensile properties of the pipe, in the conditionspecified, shall conform to the room temperature requirementsof Table 5. Mechanical p
43、roperties for other conditions may beestablished by written agreement between the manufacturerand the purchaser.9. Permissible Variations in Dimensions9.1 A system of standard pipe sizes approved by ANSI asAmerican National Standard for Stainless Steel Pipe (ANSI/ASME B 36.19M-1985) reproduced as Ta
44、ble 2 shall apply.9.2 DiameterVariations in outside diameter shall not ex-ceed those prescribed in Table 3.9.3 ThicknessThe variation in thickness at any point shallnot be more than 612.5 % of the nominal wall thicknessspecified.9.4 LengthPipe shall be furnished in lengths as specifiedin the purchas
45、e order. No pipe shall be under the specifiedlength and not more than14 in. (6.4 mm) over that specified.9.5 StraightnessThe pipe shall be free of kinks and bendsand the maximum bow of lengths up to 10 ft (3 m) shall notexceed 1:500. For lengths greater than 10 ft, the maximum bowshall not exceed 1:
46、400.10. Finish10.1 The finished pipe shall have smooth ends, be free ofburrs, and shall be free of injurious external and internalimperfections of a nature that will interfere with the purposefor which it is intended. Minor defects may be removedproviding the dimensional tolerances of Section 9 are
47、notexceeded. Unless otherwise specified, the pipe shall be fur-nished free of scale.TABLE 1 ContinuedElementComposition, %Grade 25 Grade 26 Grade 26H Grade 27 Grade 28 Grade 29 Grade 33 Grade 34 Grade 35 Grade 36 Grade 37 Grade 38Oxygen, max orrange0.20 0.25 0.25 0.18 0.15 0.13 0.25 0.35 0.25 0.16 0
48、.25 0.200.30Aluminum 5.56.75. . . 2.5-3.55.5-6.5. . 4.05.0. 1.02.03.54.5Vanadium 3.54.5. . . 2.0-3.03.54.5. . 1.12.1. . 2.03.0Tin . . . . . . . . . . . .Ruthenium . 0.08-0.140.80.140.08-0.140.08-0.140.08-0.140.02-0.040.02-0.04. . . .Palladium 0.040.08. . . . . 0.01-0.020.01-0.02. . . .Molybdenum . .
49、 . . . . . . 1.52.5. . .Chromium . . . . . . 0.1-0.20.1-0.2. . . .Nickel 0.30.8. . . . . 0.35-0.550.35-0.55. . . .Niobium . . . . . . . . . 42.047.0. .Zirconium . . . . . . . . . . . .Silicon . . . . . . . . 0.200.40. . .Residuals,D,E,Fmax each0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1Residuals,D,E,Fmax total0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4TitaniumGbalance balance balance balance balance balance Remainder Remainder Remainder Remainder Remainder balance
