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Category Titanium Alloy
Class Wrought
Type Alpha-beta alloy
Designations United States: MIL-T-9046, AMS 4971, AMS 4918, MIL-T-9047, AMS 4978, AMS 4979

ElementWeight %
Al  6 
V  6 
Sn  2 
Cu  0.75 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 4.54 25  
Poisson's Ratio 0.33 25  
Elastic Modulus (GPa) 110.3 25  
Tensile Strength (Mpa) 1069  25  annealed  more
Yield Strength (Mpa) 1000 
Elongation (%) 14 
Reduction in Area (%) 30 
Hardness (HRC) 38  25  annealed more
Impact Strength (J)
18  25  annealed  

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 9  20-100 more