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

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