Most newer cars radiators are made of aluminum to save weight and it dissipates heat more effeciently
They used to be copper and steel but now they are made of aluminum and plastic.
The car engine radiator.
Material with low specific heat capacity and with blackened surface are good for radiators.
most car radiators are copper or aluminum and plastic.
The radiator is made of copper because copper transfers heat very well.
The same material as your car or mine.
It will be made of many components the casing material will not matter much.
question- what was the car without a radiator? well it's probly a car without a stinking radiator,,,