Aluminum alloy wheels for cars are better than iron wheels, but some car owners and friends will have concerns when they want to replace aluminum alloy wheels for their cars. For example, will aluminum alloy wheels rust when scratched?

In general, aluminum alloy wheels may rust when scratched.

Because the automobile wheel hub made of aluminum alloy is also an oxidizable material, it may rust and corrode during use. But its rust will not appear some yellow rust color on the surface like iron hub, but will form white or gray rust powder.

In particular, corrosion pits or corrosion spots can be gradually formed when it is eroded by rain for a long time or attached to the surface of aluminum alloy tires by some strong acids and alkalis; It is suggested that car owners pay more attention to the maintenance of the wheel hub and clean the vehicle frequently to reduce the adverse effects of rain or other acid and alkali substances on the aluminum alloy wheel hub.