ZA-12 (Zn-11Al-1Cu-0.02Mg) vs Zamak 2 (Zn-4Al-3Cu-0.035Mg)
Property comparison of ZA-12 (Zn-11Al-1Cu-0.02Mg) and Zamak 2 (Zn-4Al-3Cu-0.035Mg), both zinc alloy.
| Property | ZA-12 (Zn-11Al-1Cu-0.02Mg) | Zamak 2 (Zn-4Al-3Cu-0.035Mg) | Difference |
|---|---|---|---|
| Yield strength | 317 MPa | 283 MPa | -11% |
| Tensile strength | 400 MPa | 359 MPa | -10% |
| Elongation | 6 % | 7 % | +17% |
| Elastic modulus | 83,000 MPa | 85,000 MPa | +2% |
| Density | 6,000 kg/m³ | 6,600 kg/m³ | +10% |
| Brinell hardness | 105 HB | 100 HB | -5% |
| Thermal conductivity | 116 W/m·K | 113 W/m·K | -3% |
| Specific heat | 448 J/kg·K | 419 J/kg·K | -6% |
| Coefficient of thermal expansion | 0.000024 1/K | 0.000027 1/K | +15% |
| Melting point | 405 °C | 385 °C | -5% |
Difference is Zamak 2 (Zn-4Al-3Cu-0.035Mg) relative to ZA-12 (Zn-11Al-1Cu-0.02Mg). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM B86
- heat treatment
- die cast
- grade
- —
- standard
- ASTM B86
- heat treatment
- die cast
- grade
- AC43A
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