Ti is about 3x as hard as Al: https://en.wikipedia.org/wiki/Hardnesses_of_the_elements_(data_page) https://en.wikipedia.org/wiki/Hardnesses_of_the_elements_(da

Ti is about 3x as hard as Al: https://en.wikipedia.org/wiki/Hardnesses_of_the_elements_(data_page) https://en.wikipedia.org/wiki/Hardnesses_of_the_elements_(da... Not to mention, very few use pure titanium. Most use an alloy like 6al4v, which gives it the best of both worlds.