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Aluminum Die Casting
Aluminum alloy is lightweight, yet it possesses high dimensional stability making complex shapes and thin walls easily attainable. Aluminum has good corrosion resistance and mechanical properties, high thermal and electrical conductivity, as well as strength at high temperatures.
The fact that an aluminum die casting is lightweight is obvious. Not so obvious is that parts die cast of aluminum can withstand the highest operating temperatures of all the die cast alloys. The strength, rigidity and corrosive resistance of aluminum die castings offer significant heat dissipating advantages.
Consider These Aluminum Alloy Advantages:
Highest Operating Temperatures
Very good corrosion resistance
Light-weight
Excellent strength and hardness
Very good thermal conductivity
High Electrical conductivity
Good finishing characteristics
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Zinc Die Casting
Zinc is, by far, the easiest alloy to use in the die cast process. It offers high ductility, high impact strength and is most easily plated. A zinc die casting is economical for small parts, has a relatively low melting point and promotes long die life.
Zinc alloys take plating very well. That makes zinc die cast parts ideal for aesthetic applications.
Zinc’s high strength and hardness make it the ideal alternative to machined, pressed, stamped and fabricated items. Zinc’s properties make it a perfect solution in countless situations and uses.
Consider These Zinc Alloy Advantages:
High strength and hardness
Very good electrical conductivity
High thermal conductivity
Low cost
Very good quality finishing characteristics
Excellent corrosion resistance
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Magnesium Die Casting
When saving weight is absolutely necessary, magnesium die casting is the ideal choice. Magnesium possesses the lowest density of all structural metals. As lightweight as some plastics, magnesium has the decided advantage of greater strength and rigidity. Moreover, magnesium offers inherent EMI/RFI shielding, durability, heat-dissipation and is fully recyclable.
Magnesium Alloy Characteristics:
The lightest of all structural metals – 35% lighter than aluminum, and 75% lighter than steel.
Excellent stiffness and strength-to-weight ratio
Outstanding EMI & RFI shielding properties
High conductivity, electrical and thermal
Withstands high operating temperatures
Cost-effective compared with many engineered thermoplastic materials
High dimensional accuracy and stability
Exceptional thin wall capability
Good environmental corrosion resistance
Good finishing characteristics
Fully recyclable
The castability of magnesium die casting is excellent. These are the standard alloys.
Alloy: AZ91D
The most common alloy used in high pressure die casting
AZ91D offers good strength/weight ratio and excellent castability
Alloy: AM60B
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