Zamak KS Spin Casting Zinc Alloy

ZnAI4Cu3Mg0.5 / Spin Casting Zinc Alloy
Zamak

Zamak KS / ZnAI4Cu3Mg0.5

Zamak KS has the same composition as zamak 2, except with more magnesium in order to produce finer grains and reduce the orange peel effect

Zamak KS alloy was developed for spin casting decorative parts.

• For spin (centrifugal) casting
• Lower orange peel effect
• Smoother surface

Zamak KS Chemical Analysis

Analysis  ( %) Zamak KS / ZnAI4Cu3Mg0.5
Al 3.9 – 4.3
Cu 2.7 – 3.3
Mg 0.4 – 0.6
Pb ≤0.003
Fe ≤0.02
Cd ≤0.003
Sn ≤0.001
Si ≤0.02
Ni ≤0.001

Zamak KS General Mechanical Properties

Mechanical Properties Metric Value
Ultimate Tensile Strength < 200 MPa
Yield Strength (0.2% offset) < 200 MPa
Elongation < 2%
Hardness 150 Brinell max

Zamak KS General Physical Properties

Physical Properties Metric Value
Solidification Range (melting range) 380—390 °C
Density 6.6 g/cm3
Coefficient of Thermal Expansion 28.0 μm/m-°C
Thermal Conductivity 105 W/m-K
Electrical Conductivity 25% IACS
Specific Heat Capacity 419 J/kg-°C
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