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 Aluminium contents
  • ACuZinc5, or zinc copper Aluminium alloy, also has excellent bearing properties like lubricity.

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Mechanical Properties

Material Alloy Tensile Strength   Elongation   Hardness   Impact Strength   Young's Modulus   Yield Strength (0.2%)   Fatigue Strength   Creep Limit   Process
MPa
% in 50mm
Brinell (HB)
J
Gpa
MPa
Mpa
Mpa
Zinc
407
5
115
-
-
338
-
-

Physical Properties

Material Alloy Density   Melting Point (Average +/- 50)   Coefficient of Thermal Expansion   Thermal Conductivity   Electrical Conductivity   Process
g/cm3
°C
µm/m°K
W / m K
% IACS
Zinc
6.85
452
24.1
106
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
Titanium -
Chromium -
RoHS Compliant

 

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Last updated 03.22.2021