ZA-27 (Zn-27Al-2Cu-0.015Mg) vs Zamak 2 (Zn-4Al-3Cu-0.035Mg)
Property comparison of ZA-27 (Zn-27Al-2Cu-0.015Mg) and Zamak 2 (Zn-4Al-3Cu-0.035Mg), both zinc alloy.
| Property | ZA-27 (Zn-27Al-2Cu-0.015Mg) | Zamak 2 (Zn-4Al-3Cu-0.035Mg) | Difference |
|---|---|---|---|
| Yield strength | 379 MPa | 283 MPa | -25% |
| Tensile strength | 421 MPa | 359 MPa | -15% |
| Elongation | 2 % | 7 % | +250% |
| Elastic modulus | 78,000 MPa | 85,000 MPa | +9% |
| Density | 5,000 kg/m³ | 6,600 kg/m³ | +32% |
| Brinell hardness | 115 HB | 100 HB | -13% |
| Thermal conductivity | 160 W/m·K | 113 W/m·K | -29% |
| Specific heat | 523 J/kg·K | 419 J/kg·K | -20% |
| Coefficient of thermal expansion | 0.00002 1/K | 0.000027 1/K | +37% |
| Melting point | 430 °C | 385 °C | -10% |
Difference is Zamak 2 (Zn-4Al-3Cu-0.035Mg) relative to ZA-27 (Zn-27Al-2Cu-0.015Mg). 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
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators