Lighter and stronger than pure titanium. Also biocompatible; if you've ever had a rod implanted into a broken bone, it might be this stuff.
Material Titanium Aluminum Vanadium Elements Ti Al V ElementCount .8975 .0625 .04 Density_kg__m3 4430 YieldStrength_MPa 1100 UltimateTensileStrength_MPa 1170 YoungsModulus_GPa 114 ShearModulus_GPa 44 MeltingPoint_K 1930 SpecificHeat_J__kg_K 526.3 ThermalConductivity_W__m_K 6.7 ThermalExpansion__K 8.6e-6 Resistivity_Ohm_m 1.78e-6 RefractiveIndex Titanium RoughnessCoefficient 0.9 www.matweb.com/search/datasheet.aspx?MatGUID=b350a789eda946c6b86a3e4d3c577b39
- Minor constituents of uncertain quantity are assumed to be impurities, and not included. - Roughness based on ingame titanium aluminum tin and the comment "it has poor surface wear properties and tends to seize when in sliding contact with itself and other metals".