Titanium Ti-6Al-6V-2Sn (Ti-6-6-2) STA 910°C/540°C
Subcategory: Alpha/Beta Titanium Alloy; Metal; Nonferrous Metal; Titanium Alloy
Close Analogs: 2 other heat treatments of this alloy are listed in MatWeb.
Key Words: Ti-662; Ti-6-6-2; UNS R56620
| Component | Wt. % |  | | | Al | 6 | | | Sn | 2 | | | Ti | 86 | | | V | 6 | |
|
Material Notes:
Information provided by Allvac and the references. Solution Treated 910ºC 1 hour, Aged 540ºC for 6 hours. Alpha-Beta alloy. Applications: Airframes, jet engines, rocket engine cases, nuclear reactor components, ordnance components.
| Physical Properties | Metric | English | Comments |
|
| Density | 4.54 g/cc | 0.164 lb/in³ | |
Mechanical Properties |
|
| Hardness, Brinell | 411 | 411 | Estimated from Rockwell C. |
| Hardness, Knoop | 450 | 450 | Estimated from Rockwell C. |
| Hardness, Rockwell C | 44 | 44 | |
| Hardness, Vickers | 430 | 430 | Estimated from Rockwell C. |
| Tensile Strength, Ultimate | 1280 MPa | 186000 psi | |
| Tensile Strength, Yield | 1210 MPa | 175000 psi | |
| Elongation at Break | 10 % | 10 % | |
| Modulus of Elasticity | 117 GPa | 17000 ksi | in tension. |
| Compressive Yield Strength | 1280 MPa | 186000 psi | |
| Notched Tensile Strength | 690 MPa | 100000 psi | Kt (stress concentration factor) = 17 |
| Ultimate Bearing Strength | 2240 MPa | 325000 psi | e/D = 2 |
| Bearing Yield Strength | 1790 MPa | 260000 psi | e/D = 2 |
| Poisson's Ratio | 0.32 | 0.32 | |
| Charpy Impact | 9.5 J | 7.01 ft-lb | V-notch |
| Fatigue Strength | 210 MPa | 30500 psi | at 1E+7 cycles. Kt (stress concentration factor) = 4.0 |
| Fatigue Strength | 690 MPa | 100000 psi | 1E+7 cycles |
| Fracture Toughness | 24 MPa-m½ | 21.8 ksi-in½ | KIC |
| Shear Modulus | 45 GPa | 6530 ksi | |
| Shear Strength | 760 MPa | 110000 psi | Ultimate shear strength |
Electrical Properties |
|
| Electrical Resistivity | 0.000157 ohm-cm | 0.000157 ohm-cm | |
Thermal Properties |
|
| CTE, linear 20°C | 8.6 µm/m-°C | 4.78 µin/in-°F | 20-100ºC |
| CTE, linear 250°C | 9.4 µm/m-°C | 5.22 µin/in-°F | Average over the range 20-315ºC |
| Specific Heat Capacity | 0.67 J/g-°C | 0.16 BTU/lb-°F | |
| Thermal Conductivity | 6.6 W/m-K | 45.8 BTU-in/hr-ft²-°F | |
| Melting Point | 1627 - 1649 °C | 2960 - 3000 °F | |
| Solidus | 1627 °C | 2960 °F | |
| Liquidus | 1649 °C | 3000 °F | |
| Maximum Service Temperature, Air | 315 °C | 599 °F | Subject to Tensile Embrittlement |
| Beta Transus | 945 °C | 1730 °F | |
References for this datasheet.
Some of the values displayed above may have been converted from their original units and/or rounded in
order to display the information in a consistant format. Users requiring more precise data for scientific or
engineering calculations can click on the property value to see the original value as well as raw conversions
to equivalent units. We advise that you only use the original value or one of its raw conversions in your
calculations to minimize rounding error. We also ask that you refer to MatWeb's disclaimer and terms of use
regarding this information. MatWeb data and tools provided by MatWeb, LLC.
|
