... % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),18 Grade 20—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 ... .5 % iron).Note 1—H grade material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher ... user association request based on its study of over 5200 commercial Grade 2, 7, 16, and 26 test reports, where over 99 ...