... . Titanium Screw, Titanium Bolt, Titanium Powder 2. Grade: Gr.1, Gr. ... SGS Titanium Screw, Titanium Bolt, Titanium Powder This specification covers annealed titanium and titanium alloy ... 17 Grade 19—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum), ... 18 Grade 20—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus ...