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. % |  | | | Al | 8 | | | Mo | 1 | | | Ti | 90 | | | V | 1 | |
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Material Notes:
Information provided by Allvac and the references. Applications: Fan & compressor blades, discs, spacers, seals, rings. Excellent creep resistance.
| Physical Properties | Metric | English | Comments |
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| Density | 4.37 g/cc | 0.158 lb/in³ | |
Mechanical Properties |
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| Hardness, Brinell | 334 | 334 | Estimated from Rockwell C. |
| Hardness, Knoop | 363 | 363 | Estimated from Rockwell C. |
| Hardness, Rockwell C | 36 | 36 | |
| Hardness, Vickers | 349 | 349 | Estimated from Rockwell C. |
| Tensile Strength, Ultimate | 937 MPa | 136000 psi | |
| Tensile Strength, Yield | 910 MPa | 132000 psi | |
| Elongation at Break | 18 % | 18 % | |
| Reduction of Area | 47 % | 47 % | |
| Modulus of Elasticity | 120 GPa | 17400 ksi | |
| Poisson's Ratio | 0.32 | 0.32 | duplex annealed |
| Fatigue Strength | 689 MPa | 99900 psi | 50,000 Cycles |
| Fracture Toughness | 151 MPa-m½ | 137 ksi-in½ | K(C) |
| Fracture Toughness | 82 MPa-m½ | 74.6 ksi-in½ | K(IC) |
| Shear Modulus | 46 GPa | 6670 ksi | |
Electrical Properties |
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| Electrical Resistivity | 0.000197 ohm-cm | 0.000197 ohm-cm | |
Thermal Properties |
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| CTE, linear 20°C | 8.5 µm/m-°C | 4.72 µin/in-°F | |
| CTE, linear 250°C | 9.2 µm/m-°C | 5.11 µin/in-°F | |
| CTE, linear 500°C | 10.1 µm/m-°C | 5.61 µin/in-°F | |
| Specific Heat Capacity | 0.502 J/g-°C | 0.12 BTU/lb-°F | |
| Thermal Conductivity | 6 W/m-K | 41.6 BTU-in/hr-ft²-°F | |
| Melting Point | Max 1540 °C | Max 2800 °F | Liquidus |
| Liquidus | 1540 °C | 2800 °F | |
| Beta Transus | 1040 °C | 1900 °F | |
References for this datasheet.
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