Ti-ALLOY, DETAIL OF THE Ti-ALLOY AND METHOD OF ITS MANUFACTURE

摘要

1.Ti alloy with excellent resistance to hydrogen embrittlement, characterized in that it contains 0.1-5.0% (excluding 2.03% and 5.0%) by weight Zr, 0-4.9% Hf and a residue including Ti and impurities, in which the total content of Zr and Hf is 0.1-5.0 mass%. ! 2.Ti alloy with excellent resistance to hydrogen embrittlement, characterized in that it contains 0.1-5.0% by mass of Zr, 0-4.9% by mass of Hf, Nb and a residue including Ti and impurities, in which the total content of Zr and Hf is 0.1-5.0% by mass, and the content of Nb is not more than 5.0%. ! 3. Ti alloy with excellent resistance to hydrogen embrittlement according to any one of claims 1 and 2, and contains 0.1-1.0% by weight of Hf. ! 4. Part made of a Ti alloy, characterized in that it uses a Ti alloy with excellent resistance to hydrogen embrittlement according to any one of points 1, 2 and 3.! 5. A Ti alloy part according to claim 4, wherein the Ti alloy part is made by annealing in a single phase α region. ! 6. A method of manufacturing a part from a Ti-alloy, characterized in that it comprises making an ingot using a Ti-alloy according to any one of claims 1, 2 and 3, forming an ingot by at least one of hot and cold forming, and annealing the molded intermediate in the single-phase α-region.