High strength	Low density
High Modulus of Elasticity	Low CTE
High wear resistance	Good Formability
High corrosion resistance	Good vibration dampening
High thermal conductivity	Good machinability
Low oil consumption	Environmental protection

Nowadays,AlSi alloys are widely used in automotive industry.Many famous automotive companies have adopted AlSi alloys in automobile engines, such as Mercedes-Benz,Mazda,BMW,GM etc.Compared to the traditional casting cylinder liners,application of AlSi alloy cylinder sleeves is the tendency of automotive industry in the future.