TITANIUM ALLOY

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Provided is a titanium alloy formed from, by mass%, 0.01 to 0.15% of a platinum group element, 0.001 to 0.10% of a rare earth element, and Ti and impurities as the balance. Preferably the alloy comprises, by mass%, 0.05 to 1.00% of Co in place of a portion of the Ti, and preferably the platinum group element content is 0.01 to 0.05%. Moreover, preferably the platinum group element is Pd and the rare earth element is Y. As a result, provided is a titanium alloy having good workability and corrosion resistance that is the same as or better than a conventional alloy, wherein the titanium alloy has a lower platinum group content than a conventional alloy and is capable of withstanding corrosion, over time or starting from damage in the form of a surface defect, and the like.