Grade 4
3.7065
Grade 4 titanium is the hardest and strongest of the four commercially pure grades. It also has excellent corrosion resistance and good weldability.
Physical properties of titanium:
- Usual state: solid
 - Colour: silver-white
 - Melting point: 1720°C
 - Molar volume: 10.64.10-6m3/mol
 - Density: 4,507 g/cm3
 - Electrical conductivity: 2.34.106S/m
 - Thermal conductivity: 21.9W/(m•K)
 - Coefficient of thermal expansion: 8.5.10-6/°C