TITANIUM ALLOY MATERIAL

摘要

A titanium alloy material containing a platinum group element, said titanium alloy material being sufficiently resistant to surface roughening accompanying corrosion, characterized in that, in surface mapping analysis using an EPMA surface analyzer, the ratio of area, where a characteristic X-ray signal of Fe or S exceeding the maximum intensity of the background signal of characteristic X-ray of Fe or S is obtained, is 0.1% or less, said maximum intensity being represented by N+3N1/2 [wherein N stands for the average background signal intensity].