Titanium Ti-8Al-1Mo-1V (Ti-8-1-1)

Subcategory: Alpha/Near Alpha Titanium Alloy; Metal; Nonferrous Metal; Titanium Alloy

Close Analogs: 5 other heat treatments of this alloy are in MatWeb.

Key Words: Ti8Al1Mo1V, UNS R54810; Ti-811

Component   Wt. %

Material Notes:
Information provided by Allvac and the references.

Applications: Fan & compressor blades, discs, spacers, seals, rings. Excellent creep resistance.

Physical PropertiesMetricEnglishComments
Density4.37 g/cc0.158 lb/in 

Mechanical Properties
Hardness, Brinell334334 Estimated from Rockwell C.
Hardness, Knoop363363 Estimated from Rockwell C.
Hardness, Rockwell C3636 
Hardness, Vickers349349 Estimated from Rockwell C.
Tensile Strength, Ultimate937 MPa136000 psi 
Tensile Strength, Yield910 MPa132000 psi 
Elongation at Break18 %18 % 
Reduction of Area47 %47 % 
Modulus of Elasticity120 GPa17400 ksi 
Poisson's Ratio0.320.32 duplex annealed
Fatigue Strength689 MPa99900 psi 50,000 Cycles
Fracture Toughness151 MPa-m137 ksi-in K(C)
Fracture Toughness82 MPa-m74.6 ksi-in K(IC)
Shear Modulus46 GPa6670 ksi 

Electrical Properties
Electrical Resistivity0.000197 ohm-cm0.000197 ohm-cm 

Thermal Properties
CTE, linear 20C8.5 m/m-C4.72 in/in-F 
CTE, linear 250C9.2 m/m-C5.11 in/in-F 
CTE, linear 500C10.1 m/m-C5.61 in/in-F 
Specific Heat Capacity0.502 J/g-C0.12 BTU/lb-F 
Thermal Conductivity6 W/m-K41.6 BTU-in/hr-ft-F 
Melting PointMax 1540 CMax 2800 F Liquidus
Liquidus1540 C2800 F 
Beta Transus1040 C1900 F 

References for this datasheet.

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