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 like lubricity.

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Mechanical Properties

Material Alloy Elongation   Tensile Strength   Yield Strength (0.2%)   Impact Strength   Shear Strength   Hardness   Process
% in 50mm
PSI x 103
PSI x 103
ft lb
PSI x 103
布氏硬度 (HB)
Zinc Casting Metals
5
59
49
-
-
115

Physical Properties

Material Alloy Density   Melting Point (Average +/- 50)   Thermal Conductivity   Coefficient of Thermal Expansion   Electrical Conductivity   Process
lb/in3
°F
BTU/h∙ft∙°F
µin/in°F
%IACS
Zinc Casting Metals
0.247
846
61.2
13.3
26.9

Composition

Zinc Casting Metals
% 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 12.23.2019