Titanium Ti-3Al-2.5V, ST 925°C, Aged 480°C
Subcategory: Alpha/Near Alpha Titanium Alloy; Metal; Nonferrous Metal; Titanium Alloy
Close Analogs: 3 other heat treatments of this alloy are in Matweb.
Key Words: Ti3Al2.5V, ST 925ºC, Aged 480ºC; Ti-3-2.5 STA; UNS R56320; ASTM Grade 9; Half 6-4; Tubing Alloy
| Component | Wt. % |  | | | Al | 3 | | | Ti | 94.5 | | | V | 2.5 | |
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Material Notes:
Information provided by Allvac and the references. Applications: Excellent cold formability, 20-50% higher tensile properties than CP titanium grades. Primarily used in aircraft hydraulic systems.
| Physical Properties | Metric | English | Comments |
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| Density | 4.48 g/cc | 0.162 lb/in³ | |
Mechanical Properties |
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| Tensile Strength, Ultimate | 910 MPa | 132000 psi | |
| Tensile Strength, Yield | 830 MPa | 120000 psi | |
| Elongation at Break | 11 % | 11 % | |
| Modulus of Elasticity | 100 GPa | 14500 ksi | Alpha-annealed in tension. |
| Poisson's Ratio | 0.3 | 0.3 | alpha annealed |
| Shear Modulus | 44 GPa | 6380 ksi | Alpha-annealed |
Electrical Properties |
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| Electrical Resistivity | 0.000127 ohm-cm | 0.000127 ohm-cm | |
Thermal Properties |
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| CTE, linear 20°C | 9.61 µm/m-°C | 5.34 µin/in-°F | 20-95ºC |
| CTE, linear 250°C | 9.86 µm/m-°C | 5.48 µin/in-°F | 20-315ºC; 9.67 in range 20-205ºC |
| CTE, linear 500°C | 9.97 µm/m-°C | 5.54 µin/in-°F | Average over the range 20-540ºC |
| Specific Heat Capacity | 0.525 J/g-°C | 0.125 BTU/lb-°F | Typical value for titanium alloys. |
| Thermal Conductivity | 8.3 W/m-K | 57.6 BTU-in/hr-ft²-°F | Value at 315ºC is 11.8 W/m-ºC |
| Melting Point | Max 1700 °C | Max 3090 °F | Liquidus |
| Liquidus | 1700 °C | 3090 °F | |
| Beta Transus | 935 °C | 1720 °F | |
References for this datasheet.
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