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Other Metals

Zamak 5

Zamak 5 should be consider when moderately greater hardness strength and creep resistance is require over Zamak 3. Zamak 5 has the same composition as Zamak 3 with the additional of 1% copper in order to increase strength (by approximately 10%), hardness and corrosive resistance over Zamak 3, but reduces ductility. It is the most widely used zinc alloy in Europe.

The density of the Zamak 5 is 6.85 g/cm3 and the melting point is 452 degree celcius This is an alloy researched and developed by General Motors.

  • It has greatly improved strength, hardness, and creep performance due to its high copper and low aluminium contents
  • ACuZinc5, or zinc copper aluminium alloy, also has excellent bearing properties like lubricity.
Zamak 5 uses are follows:
  • Automobiles
  • Industrial Machinery and Tools
  • Electric Devices
  • Communication Equipments
  • Toys and Leisure Goods
  • Precision Instruments
  • Home Appliances
  • Defence Equipment