My detailed post on titanium grades is
HERE
At that time, an industry publication said:
"Known as the “workhorse” of the titanium alloys, Ti 6Al-4V, or Grade 5 titanium, is the most commonly used of all titanium alloys. It accounts for 50 percent of total global titanium usage. Its usability lies in its many benefits... This alloy offers its high strength at a light weight, useful formability and high corrosion resistance. Ti 6AI-4V’s usability makes it the best alloy for use in several industries, like the aerospace, medical, marine and chemical processing industries."
Mike