Radiators are made of a lot of metals with high melting points (example: Aluminum)
Metal is a good conductor of heat, allowing the radiator to efficiently transfer heat from the hot water circulating inside to the surrounding air. Metal radiators are also durable and can withstand the high temperatures and pressure of the heating system. Additionally, metal radiators can be easily shaped and formed to suit different sizes and styles.
Radiators are commonly made of metal, with aluminum and copper being popular choices due to their excellent thermal conductivity. Steel is also used for some radiators due to its durability and affordability. Plastic components may also be present in modern radiators for certain functionalities.
Aluminum
aluminum and copper
Metals are a better heat conductor than plastics.
No, they used to be made from copper or brass.
The entire purpose of an automotive radiator is to move heat away from the engine. To move heat you must have a substance that can conduct heat rapidly and effectively. Substances such as plastics are poor heat conductors on the other hand metals at large are great heat conductors especially copper and aluminum. (that is also why you see many cooking pots and pans made out of copper and aluminum) Older radiators were made almost entirely of copper, they were very effective and relatively cheap at the time, now-days they are almost always made of aluminum because copper has become very cost prohibitive and aluminum is of course lighter.
The metal fins on the outside of the hot water pipes radiate heat into the room.
Yes. Look for a metal recycling center or look up scrap metal in the phone book.. Depending on your location in the world, pricing varies. In the U.S. you can get upwards of $1.30 per lb for radiators. To see current pricing of scrap radiator and auto parts go to http://www.scrapmetalpricesandauctions.com
most car radiators are copper or aluminum and plastic.
cars don't have plastic radiators, if they do the plastic would probably melt, and the compound of metal cools and heats quickly which is useful in cooling water.