US 12,344,918 B2
Titanium alloys
John V. Mantione, Indian Trail, NC (US); David A. Brice, Marshville, NC (US); and LaShonda Cozort, Monroe, NC (US)
Assigned to ATI PROPERTIES LLC, Albany, OR (US)
Filed by ATI Properties LLC, Albany, OR (US)
Filed on Jul. 12, 2023, as Appl. No. 18/351,216.
Prior Publication US 2025/0019798 A1, Jan. 16, 2025
Int. Cl. C22C 14/00 (2006.01); C22F 1/18 (2006.01)
CPC C22C 14/00 (2013.01) [C22F 1/183 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A titanium alloy comprising, in weight percent based on total alloy weight:
3.65 to 4.5 aluminum;
1.5 to 2.3 tin;
1.5 to 2.5 zirconium;
2.0 to 4.25 molybdenum;
2.0 to 4.25 chromium;
0.01 to 0.03 silicon;
0 to 0.30 iron;
0 to 1.8 vanadium;
titanium; and
impurities;
wherein an aluminum equivalent value of the titanium alloy is 6.0 to 6.9 and a molybdenum equivalent value of the titanium alloy is 4.8 to 10.9;
wherein the titanium alloy exhibits a yield strength of at least 137 ksi, an ultimate tensile strength of at least 148 ksi, and a fracture toughness of at least 85 ksi√(in).