to Titanium alpha-beta alloys
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| Titanium α-β alloy Ti-4Al-4Mo-2Sn | ||||
| Chemical composition: O=0.18%, Al=4%, Mo=4%, Sn=2%, Si=0.5%, Ti balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 4.60*10³ | kg/m³ | 287 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 114 | GPa | 16500 | ksi |
| Thermal expansion (20 ºC) | 8.8*10-6 | ºCˉ¹ | 4.9*10-6 | in/(in* ºF) |
| Thermal conductivity | 7.6 | W/(m*K) | 52.7 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 160*10-8 | Ohm*m | 160*10-6 | Ohm*cm |
| Tensile strength | 1138 | MPa | 165000 | psi |
| Yield strength | 1035 | MPa | 150000 | psi |
| Elongation | 12 | % | 12 | % |
| Hardness | 38 | HRC | 38 | HRC |
| Solution temperature | 900 | ºC | 1650 | ºF |
| Aging temperature | 500 | ºC | 930 | ºF |
| Aging time | 4-8 | hrs. | 4-8 | hrs. |
| Beta Transus temperature | 975 | ºC | 1787 | ºF |