ZA-12 vs. C47940 Brass
ZA-12 belongs to the zinc alloys classification, while C47940 brass belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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-12 and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 83 | |
| 100 |
| Elongation at Break, % | 1.6 to 5.3 | |
| 14 to 34 |
| Poisson's Ratio | 0.26 | |
| 0.31 |
| Shear Modulus, GPa | 33 | |
| 40 |
| Shear Strength, MPa | 240 to 300 | |
| 250 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 400 | |
| 380 to 520 |
| Tensile Strength: Yield (Proof), MPa | 210 to 320 | |
| 160 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 130 |
| Melting Completion (Liquidus), °C | 430 | |
| 850 |
| Melting Onset (Solidus), °C | 380 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 110 |
| Thermal Expansion, µm/m-K | 24 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 25 |
| Density, g/cm3 | 6.0 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.8 |
| Embodied Energy, MJ/kg | 64 | |
| 47 |
| Embodied Water, L/kg | 440 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.0 to 20 | |
| 68 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 620 | |
| 120 to 740 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 12 to 19 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 43 | |
| 36 |
| Thermal Shock Resistance, points | 9.4 to 14 | |
| 13 to 17 |
Alloy Composition
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| Aluminum (Al), % | 10.5 to 11.5 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 0.5 to 1.2 | |
| 63 to 66 |
| Iron (Fe), % | 0 to 0.075 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 0 to 0.0060 | |
| 1.0 to 2.0 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0.1 to 0.5 |
| Silicon (Si), % | 0 to 0.060 | |
| 0 |
| Tin (Sn), % | 0 to 0.0030 | |
| 1.2 to 2.0 |
| Zinc (Zn), % | 87.1 to 89 | |
| 28.1 to 34.6 |
| Residuals, % | 0 | |
| 0 to 0.4 |