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Ti-2.25-Al-11Sn-5Zr-1Mo-0.2Si
Category Titanium Alloy
Class Wrought
Type Near alpha alloy
Designations United States: MIL-T-9047, AMS 4974

Composition
ElementWeight %
Al  2.25 
Sn  11 
Zr  5 
Mo  1 
Si  0.2 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 4.82 25  
Poisson's Ratio 0.33 25  
Elastic Modulus (GPa) 113.8 25  
Tensile Strength (Mpa) 758  540 more duplex annealed  
Yield Strength (Mpa) 586 
Elongation (%) 24 
Reduction in Area (%) 50 
Hardness (HRC) 36  25  duplex annealed 

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 8.5  20-100 more  
Glossary