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Common Knowledge on Material Selection of Heavy Truck Radiators

Heavy truck radiator is a kind of automobile radiator which is only used for heavy trucks. Because heavy trucks are mostly used for long-distance transportation, the requirements for heavy truck radiator are relatively high. We often see on TV that a driver pours water into a car at a highway rest station. Is it very confusing? He probably adds something like coolant to the radiator of the heavy truck. This article will introduce you which material is suitable for heavy truck radiator.


The thermal conductivity of each automobile radiator material is different. The thermal conductivity is arranged from high to low, namely silver, copper, aluminum and steel. However, silver is too expensive as the material of automobile radiator. So the best choice is copper. Although aluminum is cheap, its thermal conductivity is obviously inferior to that of copper (about 50% of copper).


Common automotive radiator materials are copper and aluminum alloy, both of which have their advantages and disadvantages. Aluminum radiator has obvious advantages in light weight. It gradually replaces copper radiator in the field of automobiles and light vehicles. The manufacturing technology of copper radiator has developed rapidly. Copper radiators are used in passenger cars. It has obvious advantages in engine radiators (such as construction machinery, heavy trucks and heavy truck radiators). Most radiators of foreign automobiles are aluminum radiators, the main purpose of which is environmental protection (especially in Europe and America). Aluminum radiators account for an average of 64% of new cars in Europe. With the development of automobile radiator production in China, the number of aluminum radiators produced by brazing is gradually increasing. Brazed copper radiators are also used in buses, trucks and other engineering equipment.


Automobile radiators play an important role in the manufacture and use of automobiles. In addition to active heat dissipation, the evaluation of heavy truck radiators largely depends on the heat absorption and heat transfer capabilities.

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