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Aluminum alloy wheels are heavier than steel wheels

Aluminum Alloy Wheels Are Heavier Than Steel Wheels

Aluminum alloy wheels are heavier than steel wheels? Yes, you're right. It's true, but the comparison is made when the two hub sizes are the same.

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A car club mentioned that how can steel wheels be lighter than aluminum alloy wheels? According to the traditional thinking, steel is very heavy, while aluminum alloy will be very light. Because the hardness of steel is 7.9, while the hardness of aluminum alloy is 2.7. In order to achieve the strength of safety standards, the thickness of aluminum alloy is at least three times thicker than that of steel hub! Take the 16 inch wheel hub for comparison. The steel wheel hub is very thin, with a thickness of only about 2mm, while the thickness of aluminum alloy wheel hub is about 10mm. It is also a 16 inch wheel hub. The weight of steel wheel hub is 6.5kg and that of aluminum alloy wheel hub is 8.3kg. Therefore, the steel wheel hub is lighter than the aluminum alloy wheel hub.

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