1.1 This specification covers 39 grades of annealed titanium and titanium alloy forgings as follows:
1.1.1 Grade F-1—UNS R50250. Unalloyed titanium,
1.1.2 Grade F-2—UNS R50400. Unalloyed titanium,
1.1.2.1 Grade F-2H—UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),
1.1.3 Grade F-3—UNS R50550. Unalloyed titanium,
1.1.4 Grade F-4—UNS R50700. Unalloyed titanium,
1.1.5 Grade F-5—UNS R56400. Titanium alloy (6 % aluminum, 4 % vanadium),
1.1.6 Grade F-6—UNS R54520. Titanium alloy (5 % aluminum, 2.5 % tin),
1.1.7 Grade F-7—UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.7.1 Grade F-7H—UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),
1.1.8 Grade F-9—UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),
1.1.9 Grade F-11—UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.10 Grade F-12—UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
1.1.11 Grade F-13—UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.12 Grade F-14—UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.13 Grade F-15—UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.14 Grade F-16—UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.14.1 Grade F-16H—UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS),
1.1.15 Grade F-17—UNS R52252. Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.16 Grade F-18—UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 % to 0.08 % palladium,
1.1.17 Grade F-19—UNS R58640. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),
1.1.18 Grade F-20—UNS R58645. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 to 0.08 % palladium,
1.1.19 Grade F-21—UNS R58210. Titanium alloy (3 % aluminum, 2.7 % niobium, 15 % molybdenum, 0.25 % silicon),
1.1.20 Grade F-23—UNS R56407. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitials, ELI),
1.1.21 Grade F-24—UNS R56405. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 to 0.08 % palladium,
1.1.22 Grade F-25—UNS R56403. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 to 0.8 % nickel and 0.04 to 0.08 % palladium,
1.1.23 Grade F-26—UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.23.1 Grade F-26H—UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS),
1.1.24 Grade F-27—UNS R52254. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.25 Grade F-28—UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.08 to 0.14 % ruthenium),
1.1.26 Grade F-29—UNS R56404. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI plus 0.08 to 0.14 % ruthenium),
1.1.27 Grade F-30—UNS R53530. Titanium alloy (0.3 % cobalt, 0.05 % palladium),
1.1.28 Grade F-31—UNS R53532. Titanium alloy (0.3 % cobalt, 0.05 % palladium),
1.1.29 Grade F-32—UNS R55111. Titanium alloy (5 % aluminum, 1 % vanadium, 1 % tin, 1 % zirconium, 0.8 % molybdenum),
1.1.30 Grade F-33—UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.31 Grade F-34—UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.32 Grade F-35—UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),
1.1.33 Grade F-36—UNS R58450. Titanium alloy (45 % niobium),
1.1.34 Grade F-37—UNS R52815. Titanium alloy (1.5 % aluminum), and
1.1.35 Grade F-38—UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron).