ZA-12 vs. C68000 Brass
ZA-12 belongs to the zinc alloys classification, while C68000 brass belongs to the copper alloys. They have 40% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is ZA-12 and the bottom bar is C68000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 83 | |
| 100 |
| Elongation at Break, % | 1.6 to 5.3 | |
| 27 |
| Poisson's Ratio | 0.26 | |
| 0.3 |
| Shear Modulus, GPa | 33 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 400 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 210 to 320 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 120 |
| Melting Completion (Liquidus), °C | 430 | |
| 880 |
| Melting Onset (Solidus), °C | 380 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 96 |
| Thermal Expansion, µm/m-K | 24 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 23 |
| Density, g/cm3 | 6.0 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.8 |
| Embodied Energy, MJ/kg | 64 | |
| 48 |
| Embodied Water, L/kg | 440 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.0 to 20 | |
| 82 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 620 | |
| 95 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 12 to 19 | |
| 14 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 15 |
| Thermal Diffusivity, mm2/s | 43 | |
| 31 |
| Thermal Shock Resistance, points | 9.4 to 14 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 10.5 to 11.5 | |
| 0 to 0.010 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 0.5 to 1.2 | |
| 56 to 60 |
| Iron (Fe), % | 0 to 0.075 | |
| 0.25 to 1.3 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.010 to 0.5 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0.2 to 0.8 |
| Silicon (Si), % | 0 to 0.060 | |
| 0.040 to 0.15 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0.75 to 1.1 |
| Zinc (Zn), % | 87.1 to 89 | |
| 35.6 to 42.8 |
| Residuals, % | 0 | |
| 0 to 0.5 |