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Aluminum wheel hub

The advantages of aluminum alloy wheels are quite obvious: the density is small, about one-third of that of steel, which means that using aluminum alloy wheels of the same volume will be 2/3 lighter than steel wheels. Statistics show that reducing the overall weight of a car by 10% can improve fuel efficiency by 6% and 8%. Therefore, promoting aluminum alloy wheels is of great significance for energy conservation, emission reduction, and low-carbon living; Aluminum has a high thermal conductivity, while steel has a low thermal conductivity. Therefore, under the same conditions, aluminum alloy wheels have better heat dissipation performance than steel wheels; Fashionable and beautiful, aluminum alloy can be strengthened by aging treatment. Aluminum alloy wheel castings that have not undergone aging treatment have low strength and are easy to process and shape. Moreover, aluminum alloy wheels that have undergone corrosion resistance treatment and coating coloring have diverse and exquisite colors. Disadvantages of aluminum alloy wheels: high ambient temperature, aging of sealing rings, and easy oil leakage; The oil temperature is too high.