Although more commonly used in the die casting industry as a high strength, highly cosmetic alloy, ZA-8 is also cast using a gravity fed process known as the Graphite Permanent mold process. It's lower aluminum content allows for the casting to be plated much easier than its ZA-12 or ZA-27 counterpart.
Typical Permanent Mold Mechanical Properties
| UTS: ksi (MPa) | Yield Strength: ksi (MPa) | Elongation: % | Hardness: Brinell | Modulus of Elasticity: psi x 10^6 |
| 32-37 (221-255) | 30 (206) | 1-2 | 85-90 | 12.4 |
Typical Permanent Mold Physical Properties
| Density: lb/in^3 (g/cc) | Melt Range: deg F (deg C) | Electrical Conduct: %IACS | Specific Heat: BTU/lb/deg F | Die Shrinkage: in/in |
| 0.227 (6.3) | 707-759 (375-404) | 27.7 | 0.104 | 0.007 |
Chemical Analysis
| | Al | Mg | Cu | Fe | Pb | Cd | Sn | Ni | Zn |
| Ingot (ASTM B240) | 8.2-8.8 | .02-.03 | .9-1.3 | .035 max | .005 max | .005 max | .002max | - | balance |
| Die Cast (ASTM B86) | 8.0-8.8 | 0.01-0.03 | .8-1.3 | .075 max | .006 max | .006 max | .003 max | - | balance |
Recommended Downloads
For additional properties of zinc alloys, please contact us or visit our technical library.
