ZA-12 (Zn-11Al-1Cu-0.02Mg) vs ZA-27 (Zn-27Al-2Cu-0.015Mg)
Property comparison of ZA-12 (Zn-11Al-1Cu-0.02Mg) and ZA-27 (Zn-27Al-2Cu-0.015Mg), both zinc alloy.
| Property | ZA-12 (Zn-11Al-1Cu-0.02Mg) | ZA-27 (Zn-27Al-2Cu-0.015Mg) | Difference |
|---|---|---|---|
| Yield strength | 317 MPa | 379 MPa | +20% |
| Tensile strength | 400 MPa | 421 MPa | +5% |
| Elongation | 6 % | 2 % | -67% |
| Elastic modulus | 83,000 MPa | 78,000 MPa | -6% |
| Density | 6,000 kg/m³ | 5,000 kg/m³ | -17% |
| Brinell hardness | 105 HB | 115 HB | +10% |
| Thermal conductivity | 116 W/m·K | 160 W/m·K | +38% |
| Specific heat | 448 J/kg·K | 523 J/kg·K | +17% |
| Coefficient of thermal expansion | 0.000024 1/K | 0.00002 1/K | -16% |
| Melting point | 405 °C | 430 °C | +6% |
Difference is ZA-27 (Zn-27Al-2Cu-0.015Mg) 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
- standard
- ASTM B86
- heat treatment
- die cast
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