ASTM B338 Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
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ASTM International
Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
N B338
Annotation
This specification2 covers the requirements for 28 grades of titanium and titanium alloy tubing intended for surface condensers, evaporators, and heat exchangers, as follows:
Grade 1—UNS R50250. Unalloyed titanium,
Grade 2—UNS R50400. Unalloyed titanium,
Grade 2H—UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),
Grade 3—UNS R50550. Unalloyed titanium,
Grade 7—UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium,
Grade 7H—UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),
Grade 9—UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),
Grade 11—UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium,
Grade 12—UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
Grade 13—UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
Grade 14—UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
Grade 15—UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
Grade 16—UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,
