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The purpose of a radiator is to transfer heat from the engine to the atmosphere, so radiators need to be made of a material with a high heat transfer coefficient. Aluminum has a high heat transfer coefficient. In other words, aluminum conducts heat very well. There are other materials, such as copper, which conduct even better, but aluminum is more economical to use than copper.

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Q: Why is a car radiator made of aluminum?
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Related questions

What is a car radiator made of?

most car radiators are copper or aluminum and plastic.


What is car radiator made out of?

Older vehicles had copper and steel radiators, newer vehicles are made of aluminum and plastic.


What material is used to make a car radiator?

They used to be copper and steel but now they are made of aluminum and plastic.


What conducting material is best for a car radiator?

Aluminum


Why car radiator are made of platinum?

They aren't. Older ones are made of copper, now it's aluminum. Platinum is used in the catalyctic converter.


What material is a radiator in a car made from and why?

Most newer cars radiators are made of aluminum to save weight and it dissipates heat more effeciently


What metal made of radiator?

Radiators are made of a lot of metals with high melting points (example: Aluminum)


What is the radiator of a 2002 Saturn SC2 made of?

It's an aluminum radiator with plastic tanks.


What type of metal is a radiator made from?

A household radiator is cast iron. An automotive radiator would be aluminum or copper.


Which parts of the car are made out of aluminum?

This varies for every car made. One easy way to tell if it is aluminum or not is to use a magnet. Aluminum is not magnetic. Common parts made of aluminum are the radiator, intake manifold, cylinder heads, engine block, transmission case and/or bellhousing, heater core, bumpers, decorative trim, wheels, etc. Not all vehicles are equipped with all or any of these aluminum parts, however.


What would a 1996 radiator be made of?

Probably aluminum and plastic.


What is a automobile radiator made from?

The core is typically copper with aluminum fins