C33500 Brass vs. Zamak 2
C33500 brass belongs to the copper alloys classification, while Zamak 2 belongs to the zinc alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C33500 brass and the bottom bar is Zamak 2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 87 |
| Elongation at Break, % | 3.0 to 28 | |
| 6.0 |
| Poisson's Ratio | 0.31 | |
| 0.26 |
| Rockwell B Hardness | 53 to 91 | |
| 63 |
| Shear Modulus, GPa | 40 | |
| 33 |
| Shear Strength, MPa | 220 to 360 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 650 | |
| 360 |
| Tensile Strength: Yield (Proof), MPa | 120 to 420 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 130 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 95 |
| Melting Completion (Liquidus), °C | 930 | |
| 390 |
| Melting Onset (Solidus), °C | 900 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Conductivity, W/m-K | 120 | |
| 110 |
| Thermal Expansion, µm/m-K | 20 | |
| 28 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 35 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 12 |
| Density, g/cm3 | 8.1 | |
| 6.5 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.0 |
| Embodied Energy, MJ/kg | 45 | |
| 57 |
| Embodied Water, L/kg | 320 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 8.0 to 160 | |
| 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 69 to 860 | |
| 420 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 12 to 22 | |
| 15 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 17 |
| Thermal Diffusivity, mm2/s | 37 | |
| 41 |
| Thermal Shock Resistance, points | 11 to 22 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.5 to 4.3 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0050 |
| Copper (Cu), % | 62 to 65 | |
| 2.5 to 3.3 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.1 |
| Lead (Pb), % | 0.25 to 0.7 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 0.020 to 0.060 |
| Nickel (Ni), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 33.8 to 37.8 | |
| 92.2 to 94 |
| Residuals, % | 0 to 0.4 | |
| 0 |