... .5ELI, Gr.23 3. Custom Products Is Welcome Titanium Flat Bar, Titanium Dental Implants, Titanium Implants This specification covers annealed ... , 4 % zirconium, 4 % molybdenum),18 Grade 20—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) ... , 0.25 % silicon),20 Grade 23—Titanium alloy (6 % aluminum, 4 % vanadium with extra low interstitial elements, ELI),21 Grade ...