ASTM B862-19
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Standard Specification for Titanium and Titanium Alloy Welded Pipe
ASTM International , 11/01/2019
Pages: 10
1.1This specification covers the requirements for 33 grades of titanium and titanium alloy welded pipe intended for general corrosion resisting and elevated temperature service as follows:
1.1.1Grade 1-UNS R50250. Unalloyed titanium,
1.1.2Grade 2-UNS R50400. Unalloyed titanium,
1.1.2.1Grade 2H-UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),
1.1.3Grade 3-UNS R50550. Unalloyed titanium,
1.1.4Grade 5-UNS R56400. Titanium alloy (6 % aluminum, 4 % vanadium),
1.1.5Grade 7-UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.5.1Grade 7H-UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),
1.1.6Grade 9-UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),
1.1.7Grade 11-UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.8Grade 12-UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
1.1.9Grade 13-UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.10Grade 14-UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.11Grade 15-UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.12Grade 16-UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.12.1Grade 16H-UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS),
1.1.13Grade 17-UNS R52252. Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.14Grade 18-UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.04 to 0.08 % palladium),
1.1.15Grade 19-UNS R58640. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),
1.1.16Grade 20-UNS R58645. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 to 0.08 % palladium,
1.1.17Grade 21-UNS R58210. Titanium alloy (15 % molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),
1.1.18Grade 23-UNS R56407. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI),
1.1.19Grade 24-UNS R56405. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 to 0.08 % palladium,
1.1.20Grade 25-UNS R56403. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 to 0.8 % nickel and 0.04 to 0.08 % palladium,
1.1.21Grade 26-UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.21.1Grade 26H-UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS),
1.1.22Grade 27-UNS R52254. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.23Grade 28-UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium,
1.1.24Grade 29-UNS R56404. Titanium alloy (6 % aluminum, 4 % vanadium with extra low interstitial elements (ELI)) plus 0.08 to 0.14 % ruthenium,
1.1.25Grade 33-UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.26Grade 34-UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.27Grade 35-UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),
1.1.28Grade 37-UNS R52815. Titanium alloy (1.5 % aluminum),
1.1.29Grade 38-UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron), and
1.1.30Grade 39-UNS R53390. Titanium alloy (0.25 % iron, 0.4 % silicon).
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.
1.2Pipe 8 in. NPS (nominal pipe size) and larger is most frequently custom made for an order. In such cases, the purchaser carefully should consider the applicability of this specification. Since the pipe is custom made, the purchaser may choose a wall thickness other than those in Table 1 to meet specific operating conditions. The purchaser may also be better served to specify only the portions of this specification that are required to meet the operating conditions (for example, annealing, flattening test, chemistry, properties, etc.).
1.3Optional supplementary requirements are provided for pipe where a greater degree of testing is desired. These supplementary requirements may be invoked by the purchaser, when desired, by specifying in the order.
1.4The 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.
1.5This 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.
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