ZA-12 (Zn-11Al-1Cu-0.02Mg) vs ZA-8 (Zn-8Al-1Cu-0.02Mg)
Property comparison of ZA-12 (Zn-11Al-1Cu-0.02Mg) and ZA-8 (Zn-8Al-1Cu-0.02Mg), both zinc alloy.
| Property | ZA-12 (Zn-11Al-1Cu-0.02Mg) | ZA-8 (Zn-8Al-1Cu-0.02Mg) | Difference |
|---|---|---|---|
| Yield strength | 317 MPa | 290 MPa | -9% |
| Tensile strength | 400 MPa | 374 MPa | -7% |
| Elongation | 6 % | 8 % | +33% |
| Elastic modulus | 83,000 MPa | 85,000 MPa | +2% |
| Density | 6,000 kg/m³ | 6,300 kg/m³ | +5% |
| Brinell hardness | 105 HB | 103 HB | -2% |
| Thermal conductivity | 116 W/m·K | 116 W/m·K | 0% |
| Specific heat | 448 J/kg·K | 448 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000024 1/K | 0.000024 1/K | 0% |
| Melting point | 405 °C | 390 °C | -4% |
Difference is ZA-8 (Zn-8Al-1Cu-0.02Mg) 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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