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ASTM B861-24

Standard Specification for Titanium and Titanium Alloy Seamless Pipe
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1.1Β 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:

1.1.1Β Grade 1β€”UNS R50250. Unalloyed titanium,

1.1.2Β Grade 2β€”UNS R50400. Unalloyed titanium,

1.1.2.1Β Grade 2Hβ€”UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),

1.1.3Β Grade 3β€”UNS R50550. Unalloyed titanium,

1.1.4Β Grade 5β€”UNS R56400. Titanium alloy (6 % aluminum, 4 % vanadium),

1.1.5Β Grade 7β€”UNS R52400. Unalloyed titanium plus 0.12 % to 0.25 % palladium,

1.1.5.1Β Grade 7Hβ€”UNS R52400. Unalloyed titanium plus 0.12 % to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),

1.1.6Β Grade 9β€”UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.7Β Grade 11β€”UNS R52250. Unalloyed titanium plus 0.12 % to 0.25 % palladium,

1.1.8Β Grade 12β€”UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.9Β Grade 13β€”UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.10Β Grade 14β€”UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.11Β Grade 15β€”UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.12Β Grade 16β€”UNS R52402. Unalloyed titanium plus 0.04 % to 0.08 % palladium,

1.1.12.1Β Grade 16Hβ€”UNS R52402. Unalloyed titanium plus 0.04 % to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS),

1.1.13Β Grade 17β€”UNS R52252. Unalloyed titanium plus 0.04 % to 0.08 % palladium,

1.1.14Β Grade 18β€”UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.04 % to 0.08 % palladium),

1.1.15Β Grade 19β€”UNS R58640. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),

1.1.16Β Grade 20β€”UNS R58645. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 % to 0.08 % palladium,

1.1.17Β Grade 21β€”UNS R58210. Titanium alloy (15 % molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),

1.1.18Β Grade 23β€”UNS R56407. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI),

1.1.19Β Grade 24β€”UNS R56405. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,

1.1.20Β Grade 25β€”UNS R56403. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and 0.04 % to 0.08 % palladium,

1.1.21Β Grade 26β€”UNS R52404. Unalloyed titanium plus 0.08 % to 0.14 % ruthenium,

1.1.21.1Β Grade 26Hβ€”UNS R52404. Unalloyed titanium plus 0.08 % to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS),

1.1.22Β Grade 27β€”UNS R52254. Unalloyed titanium plus 0.08 % to 0.14 % ruthenium,

1.1.23Β Grade 28β€”UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.08 % to 0.14 % ruthenium),

1.1.24Β Grade 29β€”UNS R56404. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI plus 0.08 % to 0.14 % ruthenium),

1.1.25Β Grade 33β€”UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.26Β Grade 34β€”UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.27Β Grade 35β€”UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),

1.1.28Β Grade 36β€”UNS R58450. Titanium alloy (45 % niobium),

1.1.29Β Grade 37β€”UNS R52815. Titanium alloy (1.5 % aluminum), and

1.1.30Β Grade 38β€”UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron).

Note 1:Β H grade material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher guaranteed minimum UTS, and may always be certified as meeting the requirements of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H are intended primarily for pressure vessel use.

1.2Β The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3Β 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.

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.

SDO ASTM: ASTM International
Document Number B861
Publication Date April 1, 2024
Language en - English
Page Count 9
Revision Level 24
Supercedes
Committee B10.01
Publish Date Document Id Type View
April 1, 2024 B0861-24 Revision
Nov. 1, 2019 B0861-19 Revision
Nov. 1, 2014 B0861-14 Revision
July 1, 2013 B0861-13 Revision
May 1, 2010 B0861-10 Revision
Aug. 1, 2009 B0861-09 Revision
Aug. 1, 2008 B0861-08A Revision
May 15, 2008 B0861-08 Revision
June 1, 2006 B0861-06A Revision
April 1, 2006 B0861-06 Revision
Jan. 1, 2005 B0861-05E01 Revision
Jan. 1, 2005 B0861-05 Revision
Nov. 1, 2003 B0861-03 Revision
Oct. 10, 2002 B0861-02 Revision
Nov. 10, 2001 B0861-01 Revision
Nov. 10, 2001 B0861-00 Revision