THE MOST COMMON ASTM/ASME DEFINED TITANIUM GRADES
Grades 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% aluminium, 4% vanadium)
Grade 7.....Unalloyed titanium plus 0.12% to 0.25% palladium, standard oxygen, medium strength
Grade 9.....Titanium alloy (3% aluminium, 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% aluminium, 2.5% vanadium plus 0.04% to 0.08% palladium),
Grade 19....Titanium alloy (3% aluminium, 8% vanadium, 6% chromium, 4% zirconium, 4% molybdenum)
Grade 20....Titanium alloy (3% aluminium, 8% vanadium, 6% chromium, 4% zirconium, 4% molybdenum) plus 0.04% to 0.08% palladium
Grade 21....Titanium alloy (15% molybdenum, 3% aluminium, 2.7% niobium, 0.25% silicon)
Grade 23....Titanium alloy (6% aluminium, 4% vanadium, extra low interstitial, ELI)
Grade 24....Titanium alloy (6% aluminium, 4% vanadium) plus 0.04% to 0.08% palladium
Grade 25....Titanium alloy (6% aluminium, 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% aluminium, 2.5% vanadium) plus 0.08% to 0.14% ruthenium
Grade 29....Titanium alloy (6% aluminium, 4% vanadium with extra low interstitial elements (ELI) plus 0.08% to 0.14% ruthenium