to Titanium alpha and near-alpha alloys
to Properties of titanium alloys
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| Titanium near α-alloys Ti-6Al-2Sn-4Zr-2Mo-0.1Si | ||||
| Chemical composition: O=0.25% max., Fe=0.25% max., Al=6%, Sn=2%, Zr=4%, Mo=2%,Si=0.1% max., Ti balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 4.54*10³ | kg/m³ | 283 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 114 | GPa | 16500 | ksi |
| Thermal expansion (20 ºC) | 7.7*10-6 | ºCˉ¹ | 4.3*10-6 | in/(in* ºF) |
| Specific heat capacity | 460 | J/(kg*K) | 0.11 | BTU/(lb*ºF) |
| Thermal conductivity | 7.7 | W/(m*K) | 51.6 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 185*10-8 | Ohm*m | 185*10-6 | Ohm*cm |
| Tensile strength | 965 | MPa | 140000 | psi |
| Yield strength | 896 | MPa | 130000 | psi |
| Elongation | 15 | % | 15 | % |
| Hardness | 34 | HRC | 34 | HRC |
| Solution temperature | 970 | ºC | 1780 | ºF |
| Aging temperature | 565 | ºC | 1050 | ºF |
| Aging time | 8 | hrs. | 8 | hrs. |
| Melting temperature | 1704 | ºC | 3100 | ºF |
| Beta Transus temperature | 999 | ºC | 1830 | ºF |