The physical performance of Titanium
Density: the density of pure titanium at room temperature (25) is 4.505g/cm3. The density of titanium is about 57% of that of steel, 60% of that of copper and 1.8 times of that of aluminum. 4.35g/cm3 at 870 and 432g/cm3 at 3900. the density of titanium varies with the addition of alloy, that of titanium alloy also will change. the variation range is between 4.4~4.9g/cm3. Generally speaking, alloy is heavier, because it contains a large number of heavier alloy elements such as molybdenum.
Melting point: the melting point of titanium is (1668 ± 5). The existence or addition of different alloying elements in titanium will change the melting temperature.
Boiling point: the boiling point of titanium is (3260 ± 20).
Specific heat capacity: the specific heat capacity of titanium at 20 is 500J/(kg). With the temperature rising, the specific heat capacity of titanium increases. At 882, due to changed, the specific heat capacity also will changes suddenly.
Thermal expansion coefficient: the thermal expansion coefficient of titanium is significantly lower than that of aluminum and steel, which is 7.6 10-6 1/K.
Thermal conductivity: the thermal conductivity of titanium is very low, 17W/(m), which is close to 18-8 stainless steel, which leads to a large temperature difference along the section of titanium during the heating of ingots and billets, as well as the welding of titanium structure, resulting in large local stress.
Resistivity: the resistivity of titanium is 0.48 · m, the resistance of titanium is quite high.
Magnetization coefficient: the magnetization coefficient of titanium is 3.4 10-6, titanium is nonmagnetic.
Elastic modulus: the elastic modulus of titanium is generally 103~110GPa, which is half of that of steel material and is easy to bend.
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