Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM B861-08a

Standard Specification for Titanium and Titanium Alloy Seamless Pipe

Standard Specification for Titanium and Titanium Alloy Seamless Pipe B0861-08A ASTM|B0861-08A|en-US Standard Specification for Titanium and Titanium Alloy Seamless Pipe Standard new BOS Vol. 02.04 Committee B10
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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 1Unalloyed titanium, low oxygen,

1.1.2 Grade 2Unalloyed titanium, standard oxygen,

1.1.2.1 Grade 2HUnalloyed titanium (Grade 2 with 58 ksi minimum UTS),

1.1.3 Grade 3Unalloyed titanium, medium oxygen,

1.1.4 Grade 5Titanium alloy (6 % aluminum, 4 % vanadium),

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 % aluminum, 2.5 % vanadium),

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 % ruthenium), low oxygen,

1.1.10 Grade 14Titanium alloy (0.5 % nickel, 0.05 % ruthenium), 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 to 0.08 % palladium (Grade 16 with 58 ksi minimum UTS),

1.1.13 Grade 17Unalloyed titanium 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, 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 % 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 to 0.14 % ruthenium (Grade 26 with 58 ksi 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 33Titanium 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 36Titanium alloy (45 % niobium),

1.1.29 Grade 37Titanium alloy (1.5 % aluminum), and

1.1.30 Grade 38Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron).

Note 1—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.

The H grades were added in response to a user association request based on 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 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.

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Details
Book of Standards Volume: 02.04
Developed by Subcommittee: B10.01
Pages: 9
DOI: 10.1520/B0861-08A
ICS Code: 77.150.50