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| MECHANICAL PROPERTIES | ||||
| Minimum Properties | Typical Brinell | |||
| Tensile Strength | % Elongation | Hardness | ||
| Alloy | Ultimate kpsi | Yield kpsi | in 2 inches | 10mm ball |
| (0.2% Offset) | 500kg load | |||
| Zinc No. 2 | 52 | - - | 7 | 100 |
| (Kirksite) | ||||
| ZA-8 | 38 | 29 | 1 | 85 |
| ZA-12 | 40 | 31 | 1 | 89-105 |
| PHYSICAL PROPERTIES | |||||
| Density in | Approximate | Electrical | Thermal | Coefficient of Thermal | |
| lb. per | Melting | Conductivity | Conductivity | Expansion, per °Fx10-6 | |
| Alloy | cu. in. | Range °F | % IACS | BTU/ft/hr/°F | 68-212 °F |
| Zinc No. 2 | 0.24 | 715-735 | 25 | 60.5 | 15.4 |
| (Kirksite) | |||||
| ZA-8 | 0.23 | 705-760 | 28 | 66.3 | 12.9 |
| ZA-12 | 0.22 | 710-810 | 28 | 67.1 | 15.5 |
| CHARACTERISTICS | |||||||
| Alloy | Strength | Ductility | Impact | Machinability | Anodizing | Stability | Anti-Sparking |
| Zinc No. 2 | 2 | 2 | 3 | 1 | 1 | 2 | 1 |
| (Kirksite) | |||||||
| ZA-8 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| ZA-12 | 1 | 3 | 3 | 2 | 1 | 2 | 1 |
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Table Notes: The characteristics are comparatively rated from 1 to 5 in decreasing order of performance. |
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