Zinc Casting Metals

Dynacast is a world leading precision zinc die caster. We have produced billions of zinc die cast components—from one hundredth of a gram to one kilogram in size.

Zinc alloy characteristics:

  • High strength and hardness
  • Excellent electrical conductivity
  • High thermal conductivity
  • Low cost raw material
  • High dimensional accuracy and stability
  • Excellent thin wall capability
  • Ability to cold form, which eases joining
  • High quality finishing characteristics
  • Outstanding corrosion resistance
  • Full recyclability

Zinc’s high strength and hardness lends itself to many solutions and it’s the ideal alternative to machined, pressed, stamped, and fabricated components.

Applications for Zinc:

  • Complex net-shaped zinc housings, with precise thin walls offer excellent electrical performance and shielding properties
  • Our proprietary multi-slide die casting process and superior thin-wall capabilities make us the foremost supplier of zinc components for broad range of consumer electronic devices
  • The castability of zinc, its wear resistance, and structural integrity make it perfect for the creation of the multi-faceted, highly complex shapes used in automotive safety and electronics industry
  • Zamak 2

    Zinc Alloy 2, also known as Kirksite or Zamak 2 (ASTM AC43A), is the highest strength and hardness of the Zamak family. 

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  • Zamak 3

    Zamak 3 (ASTM AG40A), or Zinc Alloy 3, is the most widely used zinc alloy in North America and is usually the first choice when considering zinc for die casting for a number of reasons.

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  • Zamak 5

    Zamak 5 (ASTM AC41A) or Zinc Alloy 5, is the most widely used zinc alloy in Europe.

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  • Zamak 7

    Zamak 7 (ASTM AG40B), or Zinc Alloy 7, is a modification of Zamak 3. It is a high-purity alloy containing lower magnesium content and has a tighter impurities specification. This results in improved casting fluidity, ductility and surface finish.

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  • ZA 8

    ZA-8, or zinc aluminum alloy, contains significantly more aluminum than the Zamak group of alloys. ZA-8 contains approximately 8.4% aluminum and is the only ZA alloy that can be hot-chamber die cast, an important consideration when selecting a material for a component. 

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  • ACuZinc5

    ACuZinc5 is an alloy researched and developed by General Motors. It is best known for its creep performance, surface hardness, and lubricity.

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  • EZAC

    EZAC is a hot-chamber zinc die casting alloy with superior creep resistance, high yield strength, and high hardness.

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  • ZA 27 - Zinc Aluminum

    ZA-27, or zinc aluminum alloy, contains significantly more aluminum than the Zamak group of alloys. The number 27 represents the approximate percentage of aluminum.

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Last updated 01.06.2020