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Titanium alpha-beta alloy Ti-4Al-4Mo-2Sn

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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

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