UNS R53400 is a designation for a titanium alloy, also known as Ti-3Al-2.5V. It is a high-strength, lightweight material that exhibits excellent corrosion resistance and is often used in applications where both strength and corrosion resistance are required.

Ti-3Al-2.5V is typically used in the aerospace industry for applications such as aircraft components, rocket engines, and structural parts. It is also used in the medical industry for orthopedic implants due to its biocompatibility and strength.

This titanium alloy has a density of 4.43 g/cm³, a melting point of 1660°C (3020°F), and a tensile strength of 880 MPa (127,600 psi). It can be easily machined, welded, and formed into various shapes.

UNS R53400 is a high-performance material that is well-suited for demanding applications in various industries.