Ti-3Al-2.5V alloy was used in high-tech military, aerospace and civil aircraft as hydraulic, fuel and other piping systems in the 1970s. In the early 1990s, the air conditioning pipeline of the transport aircraft in China also used TA18, and it will be applied in the aviation engine piping system. In recent years, it has been used as a kind of complex shape, medium strength and welding torch. Ti-3Al-2.5V alloy has been used in various industries. For example, oil exploration instrument coat pipe fittings, heat exchanger pipe fittings, titanium fishing rod body, spectacle frame shaped wire, golf club etc.