C61900 Bronze vs. Zamak 7
C61900 bronze belongs to the copper alloys classification, while Zamak 7 belongs to the zinc alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C61900 bronze and the bottom bar is Zamak 7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 86 |
| Elongation at Break, % | 21 to 32 | |
| 13 |
| Poisson's Ratio | 0.34 | |
| 0.25 |
| Shear Modulus, GPa | 43 | |
| 33 |
| Shear Strength, MPa | 370 to 410 | |
| 210 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 650 | |
| 280 |
| Tensile Strength: Yield (Proof), MPa | 230 to 310 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 120 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 95 |
| Melting Completion (Liquidus), °C | 1050 | |
| 390 |
| Melting Onset (Solidus), °C | 1040 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 410 |
| Thermal Conductivity, W/m-K | 79 | |
| 110 |
| Thermal Expansion, µm/m-K | 18 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 38 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 11 |
| Density, g/cm3 | 8.3 | |
| 6.4 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 3.0 |
| Embodied Energy, MJ/kg | 51 | |
| 57 |
| Embodied Water, L/kg | 380 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 150 | |
| 36 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 430 | |
| 370 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 19 to 22 | |
| 12 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 15 |
| Thermal Diffusivity, mm2/s | 22 | |
| 43 |
| Thermal Shock Resistance, points | 20 to 23 | |
| 8.6 |
Alloy Composition
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| Aluminum (Al), % | 8.5 to 10 | |
| 3.5 to 4.3 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Copper (Cu), % | 83.6 to 88.5 | |
| 0 to 0.25 |
| Iron (Fe), % | 3.0 to 4.5 | |
| 0 to 0.075 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.0030 |
| Magnesium (Mg), % | 0 | |
| 0.0050 to 0.020 |
| Nickel (Ni), % | 0 | |
| 0.0050 to 0.020 |
| Tin (Sn), % | 0 to 0.6 | |
| 0 to 0.0010 |
| Zinc (Zn), % | 0 to 0.8 | |
| 95.3 to 96.5 |
| Residuals, % | 0 to 0.5 | |
| 0 |