Technical Data
Ti-7Al-4Mo (Ti-7-4)
Ti-7-4 is a heat treatable alloy with about 10% higher strength than Ti-6-4.
Chemistry Limits (%) |
|
Al | 6.5 - 7.3 |
Mo | 3.50 - 4.50 |
O2 Max | 0.20 |
Fe Max | 0.30 |
H2 Max | 0.013 |
C Max | 0.10 |
N2 Max | 0.05 |
Mechanical Properties |
||
Guaranteed Minimum |
Annealed |
Solution Treated and Aged (STA) |
Ultimate Tensile Strength - ksi | 145 | 170 |
Yield Strength - ksi | 135 | 160 |
Elongation % | 10 | 8 |
Physical Properties |
|
Density (lbs/in3) | 0.162 |
Elastic Modulus (x106 psi) | 16 |
Beta Transus Temp (oF) | 1840 |
Weldability | Poor - Not recommended |