ACuZinc5

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 aluminum contents
  • ACuZinc5, or zinc copper aluminum alloy, also has excellent bearing properties

Mechanical Properties

Material Alloy Tensile Strength   Yield Strength   Impact Strength   Shear Strength   Hardness   Elongation   Process
MPa
MPa
J
MPa
Brinell (HB)
% in 50mm
Zinc
407
338
-
-
115
5

Physical Properties

Material Alloy Density   Melting Point   Thermal Conductivity   Coefficient of Thermal Expansion   Electrical Conductivity   Process
g/cm3
°C
W/m K
µm/m°K
%IACS
Zinc
6.85
452
106
24.1
26.9

Composition

Zinc
% ACuZinc5
Aluminum 2.8-3.3
Copper 5.0-6.0
Magnesium 0.025-0.05
Iron (max) 0.075
Lead (max) 0.005
Cadmium (max) 0.004
Tin (max) 0.003
Nickel (max)
Zinc Bal.
Manganese
Silicon
Other-Metallic
RoHS Compliant

 

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Last updated 11.18.2019