| Common ASTM/ASME Titanium Grades |
| Grade |
Description |
| Grade 1 |
Unalloyed titanium, low oxygen, low strength |
| Grade 2 |
Unalloyed titanium, standard oxygen, medium strength |
| Grade 3 |
Unalloyed titanium, medium oxygen, high strength |
| Grade 4 |
Unalloyed titanium, high oxygen, extra high strength |
| Grade 5 |
Titanium alloy (6% aluminum, 4% vanadium). Mainly aerospace applications |
| Grade 7 |
Unalloyed titanium plus 0.12% to 0.25% palladium, standard oxygen, medium strength |
| Grade 9 |
Titanium alloy (3% aluminum, 2.5% vanadium), high strength. Mainly aerospace applications |
| Grade 11 |
Unalloyed titanium plus 0.12% to 0.25% palladium, low oxygen, low strength |
| Grade 12 |
Titanium alloy (0.3% molybdenum, 0.8% nickel), high strength |
| Grade 13 |
Titanium alloy (0.5% nickel, 0.05% ruthenium), low oxygen |
| Grade 14 |
Titanium alloy (0.5% nickel, 0.05% ruthenium), standard oxygen |
| Grade 15 |
Titanium alloy (0.5% nickel, 0.05% ruthenium), medium oxygen |
| Grade 16 |
Unalloyed titanium plus 0.04% to 0.08% palladium, standard oxygen, medium strength |
| Grade 17 |
Unalloyed titanium plus 0.04% to 0.08% palladium, low oxygen, low strength |
| Grade 18 |
Titanium alloy (3% aluminum, 2.5% vanadium plus 0.04% to 0.08% palladium), |
| Grade 19 |
Titanium alloy (3% aluminum, 8% vanadium, 6% chromium, 4% zirconium, 4% molybdenum) |
| Grade 20 |
Titanium alloy (3% aluminum, 8% vanadium, 6% chromium, 4% zirconium, 4% molybdenum) plus 0.04% to 0.08% palladium |
| Grade 21 |
Titanium alloy (15% molybdenum, 3% aluminum, 2.7% niobium, 0.25% silicon) |
| Grade 23 |
Titanium alloy (6% aluminum, 4% vanadium, extra low interstitial, ELI) |
| Grade 24 |
Titanium alloy (6% aluminum, 4% vanadium) plus 0.04% to 0.08% palladium |
| Grade 25 |
Titanium alloy (6% aluminum, 4% vanadium) plus 0.3% to 0.8% nickel and 0.04% to 0.08% palladium |
| Grade 26 |
Unalloyed titanium plus 0.08% to 0.14% ruthenium, standard oxygen, medium strength |
| Grade 27 |
Unalloyed titanium plus 0.08% to 0.14% ruthenium, low oxygen,low strength |
| Grade 28 |
Titanium alloy (3% aluminum, 2.5% vanadium) plus 0.08% to 0.14% ruthenium |
| Grade 29 |
Titanium alloy (6% aluminum, 4% vanadium with extra low interstitial elements (ELI) plus 0.08% to 0.14% ruthenium |
