C38500 Bronze vs. ZA-12
C38500 bronze belongs to the copper alloys classification, while ZA-12 belongs to the zinc alloys. They have 40% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C38500 bronze and the bottom bar is ZA-12.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 83 |
| Elongation at Break, % | 17 | |
| 1.6 to 5.3 |
| Poisson's Ratio | 0.31 | |
| 0.26 |
| Shear Modulus, GPa | 37 | |
| 33 |
| Shear Strength, MPa | 230 | |
| 240 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 370 | |
| 260 to 400 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 210 to 320 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 120 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 100 |
| Melting Completion (Liquidus), °C | 890 | |
| 430 |
| Melting Onset (Solidus), °C | 880 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 450 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 21 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 42 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 11 |
| Density, g/cm3 | 8.1 | |
| 6.0 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.4 |
| Embodied Energy, MJ/kg | 45 | |
| 64 |
| Embodied Water, L/kg | 320 | |
| 440 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 | |
| 4.0 to 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 78 | |
| 260 to 620 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 13 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 14 | |
| 15 to 20 |
| Thermal Diffusivity, mm2/s | 40 | |
| 43 |
| Thermal Shock Resistance, points | 12 | |
| 9.4 to 14 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 10.5 to 11.5 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Copper (Cu), % | 55 to 59 | |
| 0.5 to 1.2 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.075 |
| Lead (Pb), % | 2.5 to 3.5 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.015 to 0.030 |
| Nickel (Ni), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.060 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 36.7 to 42.5 | |
| 87.1 to 89 |
| Residuals, % | 0 to 0.5 | |
| 0 |