According to RecycleNow, around 60% of aerosols are made from steel while the remaining 40% are made from aluminium. The plastic head of the can is not recycled.
What is it recycled into?
New items that are made of steel.
How to recycle cans?
Ensure that the aerosol can is empty.
Do not flatten, crush, or pierce aerosol cans.
Detach any easily removable pieces before throwing it in your recycling bag.