Primarily the high strength tubing alloy. It is used in a wide variety of products that require light weight, high strength tubing. Available in two conditions, annealed and cold worked stress relieved (cwsr). Annealed has a lower tensile strength than CWSR, but has better forming capabilities. CWSR is stronger, but does not form as well as annealed.
| Chemistry Limits (%) | ||
| Al | 2.50 - 3.50 | |
| V | 2.00 - 3.00 | |
| O2 Max | 0.12 | |
| Fe Max | 0.3 | |
| H2 Max | 0.015 | |
| C Max | 0.05 | |
| N2 Max | 0.02 | |
| Mechanical Properties | ||
| Annealed Condition | Cold Worked and Stress Relieved | |
| Ultimate Tensile Strength - ksi | 90 | 125 |
| Yield Strength - ksi | 70 | 105 |
| Elongation % | 15 | 10 |
| Physical Properties | ||
| Density (lbs/in3) | 0.162 | |
| Elastic Modulus (x106 psi) | 14.5 | |
| Beta Transus Temp (oF) | 1715 | |
| Weldability | Good | |