1.1 This specification covers 35 grades of annealed titanium and titanium alloy forgings as follows:

1.1.1 Grade F-1Unalloyed titanium,

1.1.2 Grade F-2Unalloyed titanium,

1.1.3 Grade F-3Unalloyed titanium,

1.1.4 Grade F-4Unalloyed titanium,

1.1.5 Grade F-5Titanium alloy (6 % aluminum, 4 % vanadium),

1.1.6 Grade F-6Titanium alloy (5 % aluminum, 2.5 % tin),

1.1.7 Grade F-7Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.8 Grade F-9Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.9 Grade F-11Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.10 Grade F-12Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.11 Grade F-13Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.12 Grade F-14Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.13 Grade F-15Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.14 Grade F-16Unalloyed titanium plus 0.04 % to 0.08 % palladium,

1.1.15 Grade F-17Unalloyed titanium plus 0.04 % to 0.08 % palladium,

1.1.16 Grade F-18Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 % to 0.08 % palladium,

1.1.17 Grade F-19Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),

1.1.18 Grade F-20Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 % to 0.08 % palladium,

1.1.19 Grade F-21Titanium alloy (3 % aluminum, 2.7 % niobium, 15 % molybdenum, 0.25 % silicon),

1.1.20 Grade F-23Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitials, ELI),

1.1.21 Grade F-24Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,

1.1.22 Grade F-25Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and 0.04 % to 0.08 % palladium,

1.1.23 Grade F-26Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.24 Grade F-27Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.25 Grade F-28Titanium alloy (3% aluminum, 2.5% vanadium plus 0.08-0.14% ruthenium),

1.1.26 Grade F-29Titanium alloy (6% aluminum, 4% vanadium, extra low interstitial, ELI plus 0.08-0.14% ruthenium),

1.1.27 Grade F-30Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.28 Grade F-31Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.29 Grade F-32Titanium alloy (5 % aluminum, 1 % vanadium, 1 % tin, 1 % zirconium, 0.8 % molybdenum),

1.1.30 Grade F-33Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.31 Grade F-34Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.32 Grade F-35Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),

1.1.33 Grade F-36Titanium alloy (45 % niobium),

1.1.34 Grade F-37Titanium alloy (1.5 % aluminum), and

1.1.35 Grade F-38Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron).

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.