Standard Specification for Titanium and Titanium Alloy Seamless Pipe

ABSTRACT
This specification covers the requirements for 34 grades of titanium and titanium alloy seamless pipe intended for general corrosion resisting and elevated temperature service. Alloys may be supplied in the following conditions: Grades 5, 23, 24, 25, 29, 35, or 36 – annealed or aged; Grades 9, 18, 28, or 38 – cold-worked and stress-relieved or annealed; Grades 9, 18, 23, 28, or 29 – transformed-beta condition; and Grades 19, 20, or 21 – solution-treated or solution-treated and aged. The grades shall conform to the required chemical composition for nitrogen, carbon, hydrogen, iron, oxygen, aluminum, vanadium, tin, ruthenium, palladium, chromium, nickel, niobium, zirconium, silicon, and titanium. Chemical analysis and product analysis shall be performed. Mechanical requirements shall conform to the required room temperature values for tensile strength, yield strength, and elongation. The following shall also be performed: tension, flattening, bend, and hydrostatic tests.
SCOPE
1.1 This specification covers the requirements for 34 grades of titanium and titanium alloy seamless pipe intended for general corrosion resisting and elevated temperature service as follows:  
1.1.1 Grade 1—UNS R50250. Unalloyed titanium,  
1.1.2 Grade 2—UNS R50400. Unalloyed titanium,
1.1.2.1 Grade 2H—UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),  
1.1.3 Grade 3—UNS R50550. Unalloyed titanium,  
1.1.4 Grade 5—UNS R56400. Titanium alloy (6 % aluminum, 4 % vanadium),  
1.1.5 Grade 7—UNS R52400. Unalloyed titanium plus 0.12 % to 0.25 % palladium,
1.1.5.1 Grade 7H—UNS R52400. Unalloyed titanium plus 0.12 % to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),  
1.1.6 Grade 9—UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),  
1.1.7 Grade 11—UNS R52250. Unalloyed titanium plus 0.12 % to 0.25 % palladium,  
1.1.8 Grade 12—UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),  
1.1.9 Grade 13—UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),  
1.1.10 Grade 14—UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),  
1.1.11 Grade 15—UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),  
1.1.12 Grade 16—UNS R52402. Unalloyed titanium plus 0.04 % to 0.08 % palladium,
1.1.12.1 Grade 16H—UNS R52402. Unalloyed titanium plus 0.04 % to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS),  
1.1.13 Grade 17—UNS R52252. Unalloyed titanium plus 0.04 % to 0.08 % palladium,  
1.1.14 Grade 18—UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.04 % to 0.08 % palladium),  
1.1.15 Grade 19—UNS R58640. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),  
1.1.16 Grade 20—UNS R58645. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 % to 0.08 % palladium,  
1.1.17 Grade 21—UNS R58210. Titanium alloy (15 % molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),  
1.1.18 Grade 23—UNS R56407. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI),  
1.1.19 Grade 24—UNS R56405. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,  
1.1.20 Grade 25—UNS R56403. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and 0.04 % to 0.08 % palladium,  
1.1.21 Grade 26—UNS R52404. Unalloyed titanium plus 0.08 % to 0.14 % ruthenium,
1.1.21.1 Grade 26H—UNS R52404. Unalloyed titanium plus 0.08 % to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS),  
1.1.22 Grade 27—UNS R52254. Unalloyed titanium plus 0.08 % to 0.14 % ruthenium,  
1.1.23 Grade 28—UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.08 % to 0.14 % ruthenium),  
1.1.24 Grade 29—UNS R56404. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI plus 0.08 % to 0.14 % ruthenium),  
1.1.25 Grade 33—UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium...

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Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: B861 − 24
Standard Specification for
1
Titanium and Titanium Alloy Seamless Pipe
This standard is issued under the fixed designation B861; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript 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 1.1.14 Grade 18—UNS R56322. Titanium alloy (3 %
aluminum, 2.5 % vanadium plus 0.04 % to 0.08 % palladium),
1.1 This specification covers the requirements for 34 grades
1.1.15 Grade 19—UNS R58640. Titanium alloy (3 %
of titanium and titanium alloy seamless pipe intended for
aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 %
general corrosion resisting and elevated temperature service as
molybdenum),
follows:
1.1.16 Grade 20—UNS R58645. Titanium alloy (3 %
1.1.1 Grade 1—UNS R50250. Unalloyed titanium,
aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 %
1.1.2 Grade 2—UNS R50400. Unalloyed titanium,
molybdenum) plus 0.04 % to 0.08 % palladium,
1.1.2.1 Grade 2H—UNS R50400. Unalloyed titanium
1.1.17 Grade 21—UNS R58210. Titanium alloy (15 %
(Grade 2 with 58 ksi (400 MPa) minimum UTS),
molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),
1.1.3 Grade 3—UNS R50550. Unalloyed titanium,
1.1.18 Grade 23—UNS R56407. Titanium alloy (6 %
1.1.4 Grade 5—UNS R56400. Titanium alloy (6 %
aluminum, 4 % vanadium, extra low interstitial, ELI),
aluminum, 4 % vanadium),
1.1.19 Grade 24—UNS R56405. Titanium alloy (6 %
1.1.5 Grade 7—UNS R52400. Unalloyed titanium plus
0.12 % to 0.25 % palladium, aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,
1.1.5.1 Grade 7H—UNS R52400. Unalloyed titanium plus 1.1.20 Grade 25—UNS R56403. Titanium alloy (6 %
0.12 % to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and
minimum UTS), 0.04 % to 0.08 % palladium,
1.1.6 Grade 9—UNS R56320. Titanium alloy (3 %
1.1.21 Grade 26—UNS R52404. Unalloyed titanium plus
aluminum, 2.5 % vanadium), 0.08 % to 0.14 % ruthenium,
1.1.7 Grade 11—UNS R52250. Unalloyed titanium plus
1.1.21.1 Grade 26H—UNS R52404. Unalloyed titanium
0.12 % to 0.25 % palladium,
plus 0.08 % to 0.14 % ruthenium (Grade 26 with 58 ksi
1.1.8 Grade 12—UNS R53400. Titanium alloy (0.3 %
(400 MPa) minimum UTS),
molybdenum, 0.8 % nickel),
1.1.22 Grade 27—UNS R52254. Unalloyed titanium plus
1.1.9 Grade 13—UNS R53413. Titanium alloy (0.5 %
0.08 % to 0.14 % ruthenium,
nickel, 0.05 % ruthenium),
1.1.23 Grade 28—UNS R56323. Titanium alloy (3 %
1.1.10 Grade 14—UNS R53414. Titanium alloy (0.5 %
aluminum, 2.5 % vanadium plus 0.08 % to 0.14 % ruthenium),
nickel, 0.05 % ruthenium),
1.1.24 Grade 29—UNS R56404. Titanium alloy (6 %
1.1.11 Grade 15—UNS R53415. Titanium alloy (0.5 %
aluminum, 4 % vanadium, extra low interstitial, ELI plus
nickel, 0.05 % ruthenium),
0.08 % to 0.14 % ruthenium),
1.1.12 Grade 16—UNS R52402. Unalloyed titanium plus
1.1.25 Grade 33—UNS R53442. Titanium alloy (0.4 %
0.04 % to 0.08 % palladium,
nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 %
1.1.12.1 Grade 16H—UNS R52402. Unalloyed titanium
chromium),
plus 0.04 % to 0.08 % palladium (Grade 16 with 58 ksi
1.1.26 Grade 34—UNS R53445. Titanium alloy (0.4 %
(400 MPa) minimum UTS),
nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 %
1.1.13 Grade 17—UNS R52252. Unalloyed titanium plus
chromium),
0.04 % to 0.08 % palladium,
1.1.27 Grade 35—UNS R56340. Titanium alloy (4.5 %
aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron,
1 0.3 % silicon),
This specification is under the jurisdiction of ASTM Committee B10 on
Reactive and Refractory Metals and Alloys and is the direct responsibility of
1.1.28 Grade 36—UNS R58450. Titanium alloy (45 %
Subcommittee B10.01 on Titanium.
niobium),
Current edition approved April 1, 2024. Published April 2024. Originally
1.1.29 Grade 37—UNS R52815. Titanium alloy (1.5 %
approved in 1995. Last previous edition approved in 2019 as B861 – 19. DOI:
10.1520/B0861-24. aluminum), and
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B861 − 24
1.1.30 Grade 38—UNS R54250. Titanium alloy (4 % 3. Terminology
aluminum, 2.5 % vanadium, 1.5 % iron).
3.1 Definitions:
NOTE 1—H grade material is identical to the corresponding numeric
3.1.1 lot, n—a number of pieces of pipe of the same nominal
grade (that is, Grade 2H = Grade 2) except for the higher guaranteed
size and wall thickn
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: B861 − 19 B861 − 24
Standard Specification for
1
Titanium and Titanium Alloy Seamless Pipe
This standard is issued under the fixed designation B861; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript 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 34 grades of titanium and titanium alloy seamless pipe intended for general
corrosion resisting and elevated temperature service as follows:
1.1.1 Grade 1—UNS R50250. Unalloyed titanium,
1.1.2 Grade 2—UNS R50400. Unalloyed titanium,
1.1.2.1 Grade 2H—UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),
1.1.3 Grade 3—UNS R50550. Unalloyed titanium,
1.1.4 Grade 5—UNS R56400. Titanium alloy (6 % aluminum, 4 % vanadium),
1.1.5 Grade 7—UNS R52400. Unalloyed titanium plus 0.120.12 % to 0.25 % palladium,
1.1.5.1 Grade 7H—UNS R52400. Unalloyed titanium plus 0.120.12 % to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa)
minimum UTS),
1.1.6 Grade 9—UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),
1.1.7 Grade 11—UNS R52250. Unalloyed titanium plus 0.120.12 % to 0.25 % palladium,
1.1.8 Grade 12—UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
1.1.9 Grade 13—UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.10 Grade 14—UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.11 Grade 15—UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.12 Grade 16—UNS R52402. Unalloyed titanium plus 0.040.04 % to 0.08 % palladium,
1
This specification is under the jurisdiction of ASTM Committee B10 on Reactive and Refractory Metals and Alloys and is the direct responsibility of Subcommittee
B10.01 on Titanium.
Current edition approved Nov. 1, 2019April 1, 2024. Published November 2019April 2024. Originally approved in 1995. Last previous edition approved in 20142019 as
B861 – 14.B861 – 19. DOI: 10.1520/B0861-19.10.1520/B0861-24.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B861 − 24
1.1.12.1 Grade 16H—UNS R52402. Unalloyed titanium plus 0.040.04 % to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa)
(400 MPa) minimum UTS),
1.1.13 Grade 17—UNS R52252. Unalloyed titanium plus 0.040.04 % to 0.08 % palladium,
1.1.14 Grade 18—UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.040.04 % to 0.08 % palladium),
1.1.15 Grade 19—UNS R58640. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 %
molybdenum),
1.1.16 Grade 20—UNS R58645. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 %
molybdenum) plus 0.040.04 % to 0.08 % palladium,
1.1.17 Grade 21—UNS R58210. Titanium alloy (15 % molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),
1.1.18 Grade 23—UNS R56407. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI),
1.1.19 Grade 24—UNS R56405. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.040.04 % to 0.08 % palladium,
1.1.20 Grade 25—UNS R56403. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.30.3 % to 0.8 % nickel and 0.040.04 %
to 0.08 % palladium,
1.1.21 Grade 26—UNS R52404. Unalloyed titanium plus 0.080.08 % to 0.14 % ruthenium,
1.1.21.1 Grade 26H—UNS R52404. Unalloyed titanium plus 0.080.08 % to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa)
(400 MPa) minimum UTS),
1.1.22 Grade 27—UNS R52254. Unalloyed titanium plus 0.080.08 % to 0.14 % ruthenium,
1.1.23 Grade 28—UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.080.08 % to 0.14 % ruthenium),
1.1.24 Grade 29—UNS R56404. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI plus 0.080.08 % to
0.14 % ruthenium),
1.1.25 Grade 33—UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.26 Grade 34—UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.27 Grade 35—UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),
1.1.28 Grade 36—UNS R58450. Titanium alloy (45 % niobium),
1.1.29 Grade 37—UNS R52815. Titanium alloy (1.5 % aluminum), and
1.1.30 Grade 38—UNS R54250. Titanium alloy (4 % aluminum, 2.5
...

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