The most widely used of all titanium alloys. Refered to as the "work horse" grade, Ti-6-4 is most commonly found in the annealed condition. This is the common high strength, light weight alloy used for sheet, plate, bars, weld wire and fasteners. It is heat treatable.
| Chemistry Limits (%) | |
| Al | 5.5 - 6.75 |
| V | 3.5 - 4.5 |
| O2 Max | 0.2 |
| Fe Max | 0.4 |
| H2 Max | 0.015 |
| C Max | 0.1 |
| N2 Max | 0.05 |
| Mechanical Properties | |
| Guaranteed Minimum | Annealed Condition |
| Ultimate Tensile Strength - ksi | 130 |
| Yield Strength - ksi | 120 |
| Elongation % | 10 |
| Physical Properties | |
| Density (lbs/in3) | 0.16 |
| Elastic Modulus (x106 psi) | 16.5 |
| Beta Transus Temp (oF) | 1830 |
| Weldability | Fair |