Ti-6Al-4V is a good choice material in the field of medical implantation. Ti-6Al-4V Medical Titanium Rod is a damage-tolerant titanium alloy with medium strength, high damage tolerance and long fatigue life. Compared with other medium-strength titanium alloys, Ti-6Al-4V ELI titanium alloy has quite high fracture toughness and fatigue crack growth resistance under the condition of comparable strength and plasticity, and is widely used in the manufacture of deep submersible Press the housing.