ASTM B 338 : 2017 : EDT 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
Hardcopy , PDF
18-09-2019
English
18-09-2019
Important note : All end users must be registered with an Account prior to user licenses being assigned.| Committee |
B 10
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| DocumentType |
Standard
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| Pages |
10
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| Supersedes |
1.1This specification2 covers the requirements for 28 grades of titanium and titanium alloy tubing intended for surface condensers, evaporators, and heat exchangers, 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 7—UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.4.1Grade 7H—UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),
1.1.5Grade 9—UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),
1.1.6Grade 11—UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.7Grade 12—UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
1.1.8Grade 13—UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.9Grade 14—UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.10Grade 15—UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.11Grade 16—UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.11.1Grade 16H—UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS),
1.1.12Grade 17—UNS R52252. Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.13Grade 18—UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium,
1.1.14Grade 26—UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.14.1Grade 26H—UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS),
1.1.15Grade 27—UNS R52254. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.16Grade 28—UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium,
1.1.17Grade 30—UNS R53530. Titanium alloy (0.3 % cobalt, 0.05 % palladium),
1.1.18Grade 31—UNS R53532. Titanium alloy (0.3 % cobalt, 0.05 % palladium),
1.1.19Grade 33—UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.20Grade 34—UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.21Grade 35—UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),
1.1.22Grade 36—UNS R58450. Titanium alloy (45 % niobium),
1.1.23Grade 37—UNS R52815. Titanium alloy (1.5 % aluminum),
1.1.24Grade 38—UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron), and
1.1.25Grade 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.
1.2The 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.
1.3This 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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