Zamak 3 (Zamak3)
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Basic Properties
| Alloy Type | |
|---|---|
| Designation | Zamak3 |
| Density | 6.6 g/cm³ |
| Melting Point | 380-390°C |
Composition
| Element | Percentage |
|---|
Similar Alloys
Description
Most widely used zinc die-casting alloy with excellent dimensional stability and surface finish.
| Density | 6.6 g/cm³ |
|---|---|
| Electrical Resistivity | 6.2 μΩ·cm |
| Tensile Strength | 268 MPa |
|---|---|
| Yield Strength | 221 MPa |
| Elongation | 10% |
| Hardness | 82 HB |
| Machinability | Excellent - machines very well with standard tooling |
| Melting Point | 380-390°C |
|---|---|
| Thermal Conductivity | 113 W/(m·K) |
| Thermal Expansion | 27.4 μm/(m·K) |
| Heat Treatment | As-cast condition, not heat treatable |
| Heat Treatment | As-cast condition, not heat treatable |
|---|---|
| Corrosion Resistance | Fair - zinc coating provides some protection, but can corrode in harsh environments |
Applications
Automotive parts, hardware, toys, decorative items, electrical components
History
Developed in 1920s by New Jersey Zinc Company as improved die-cast alloy.