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Titanium Ti-8Al-1Mo-1V (Ti-8-1-1), ST 980°C (1800°F), Aged 595°C (1100°F)
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy

Material Notes: Information provided by Allvac and the references.

Characteristics: Low density, high modulus, high stiffness/density ratio, moderate to high strength, good elevated temperature tensile properties and excellent creep resistance (for operating temperatures up to 455°C)

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

Forms typically available: Billet, bar, rod, extrusions, plate, sheet and wire.

5 other heat treatments of this alloy are in MatWeb.

Key Words: Ti8Al1Mo1V; UNS R54810; Ti-811
Vendors: Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494.

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Physical PropertiesOriginal ValueComments
Density 4.37 g/cc
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 1180 MPa
Tensile Strength, Yield 1070 MPa
Elongation at Break 17 %
Reduction of Area 26 %
Modulus of Elasticity 120 GPaunspecified heat treatment
Poissons Ratio 0.32duplex annealed
Shear Modulus 46.0 GPa
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.000197 ohm-cm
 
Thermal PropertiesOriginal ValueComments
CTE, linear 8.50 µm/m-°C
@Temperature 20.0 °C
 9.20 µm/m-°C
@Temperature 250 °C
 10.1 µm/m-°C
@Temperature 500 °C
Specific Heat Capacity 0.502 J/g-°C
Thermal Conductivity 6.00 W/m-K
Melting Point <= 1540 °C
Liquidus 1540 °C
Beta Transus 1040 °C
 
Component Elements PropertiesOriginal ValueComments
Aluminum, Al 7.35 - 8.35 %
Carbon, C <= 0.080 %
Hydrogen, H <= 0.015 %
Iron, Fe <= 0.30 %
Molybdenum, Mo 0.75 - 1.25 %
Nitrogen, N <= 0.050 %
Other, each <= 0.10 %
Other, total <= 0.40 %
Oxygen, O <= 0.12 %
Titanium, Ti 88.185 - 91.15 %As Balance; Elemental Composition per ASTM B265
Vanadium, V 0.75 - 1.25 %

References for this datasheet.

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MTA812 / 14137

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