1. Titanium Connecting Rod, Titanium Bicycle Part, Ti Car Parts 2. Grade: Gr. ... 4 % zirconium, 4 % molybdenum) plus 0.04 % to 0.08 % palladium,19 Grade 21—Titanium alloy (15 % molybdenum, 3 % ... % aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,22 Grade 25—Titanium alloy (6 % aluminum, 4 ... vanadium with extra low interstitial elements, ELI) plus 0.08 to 0.14 % ruthenium,27 Grade 30—Titanium alloy ...