The materials of wheel hub castings mainly include gray iron, ductile iron, aluminum alloy, magnesium alloy and alloy steel.
1. Gray cast iron wheel hubs
Gray cast iron wheel hubs have excellent vibration damping, castability, processability and wear resistance. They are usually used in applications where noise must be reduced.
2. Ductile iron wheel hubs
Ductile iron is a kind of wheel hub material with high hardness, high toughness and high strength, and is also the most commonly used wheel hub material in commercial vehicles.
3. Aluminum alloy wheel hubs
Aluminum alloy wheel hubs have the advantages of light weight, beautiful appearance and good heat dissipation, but they have high production costs and relatively low toughness and strength.
4. Magnesium alloy wheel hubs
Magnesium alloy is one of the lightest materials for producing wheel hub castings. It has good corrosion resistance, high strength, durability and is not easy to deform, making it the first choice for high-end vehicles.
5. Steel wheel hubs
Steel wheel hubs have high strength and good toughness, but they are heavier and their heat dissipation is not as good as aluminum alloys.
ductile iron wheel hub casting
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