ZA-27 vs. C66900 Brass
ZA-27 belongs to the zinc alloys classification, while C66900 brass belongs to the copper alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ZA-27 and the bottom bar is C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 120 |
| Elongation at Break, % | 2.0 to 4.5 | |
| 1.1 to 26 |
| Poisson's Ratio | 0.27 | |
| 0.32 |
| Rockwell B Hardness | 60 to 72 | |
| 65 to 100 |
| Shear Modulus, GPa | 31 | |
| 45 |
| Shear Strength, MPa | 230 to 330 | |
| 290 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 400 to 430 | |
| 460 to 770 |
| Tensile Strength: Yield (Proof), MPa | 260 to 370 | |
| 330 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 150 |
| Melting Completion (Liquidus), °C | 480 | |
| 860 |
| Melting Onset (Solidus), °C | 380 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 530 | |
| 400 |
| Thermal Expansion, µm/m-K | 26 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 53 | |
| 3.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 23 |
| Density, g/cm3 | 5.0 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 2.8 |
| Embodied Energy, MJ/kg | 80 | |
| 46 |
| Embodied Water, L/kg | 570 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 8.1 to 18 | |
| 4.6 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 to 890 | |
| 460 to 2450 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 28 | |
| 20 |
| Strength to Weight: Axial, points | 22 to 24 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 24 to 25 | |
| 16 to 23 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 14 to 23 |
Alloy Composition
| Aluminum (Al), % | 25 to 28 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 2.0 to 2.5 | |
| 62.5 to 64.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.010 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 11.5 to 12.5 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.080 | |
| 0 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Zinc (Zn), % | 69.3 to 73 | |
| 22.5 to 26 |
| Residuals, % | 0 | |
| 0 to 0.2 |