1. Titanium Wheel Nut, Titanium Rivet, Titanium Fastener 2. Grade: Gr.1, ... 25 % palladium,7.1 Grade 7H—Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi ... ELI) plus 0.08 to 0.14 % ruthenium,27 Grade 30—Titanium alloy (0.3 % cobalt, 0.05 % palladium),28 Grade 31 ... tin, 1 % zirconium, 1 % vanadium, 0.8 % molybdenum),30 Grade 33—Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.02 5 ...