1. Titanium Tube, Titanium Pipe, Titanium Wire 2. Grade: Gr.1, ... .3.1, SGS Titanium Tube, Titanium Pipe, Titanium WireThis specification covers annealed titanium and titanium alloy strip, sheet, ... % chromium, 4 % zirconium, 4 % molybdenum),18 Grade 20—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, ... % niobium, 0.25 % silicon),20 Grade 23—Titanium alloy (6 % aluminum, 4 % vanadium with extra ...