C49300 Brass vs. Zamak 2
C49300 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 29 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 C49300 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, % | 4.5 to 20 | |
| 6.0 |
| Poisson's Ratio | 0.31 | |
| 0.26 |
| Shear Modulus, GPa | 40 | |
| 33 |
| Shear Strength, MPa | 270 to 290 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 520 | |
| 360 |
| Tensile Strength: Yield (Proof), MPa | 210 to 410 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 130 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 95 |
| Melting Completion (Liquidus), °C | 880 | |
| 390 |
| Melting Onset (Solidus), °C | 840 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 410 |
| Thermal Conductivity, W/m-K | 88 | |
| 110 |
| Thermal Expansion, µm/m-K | 20 | |
| 28 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 15 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 35 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 12 |
| Density, g/cm3 | 8.0 | |
| 6.5 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 3.0 |
| Embodied Energy, MJ/kg | 50 | |
| 57 |
| Embodied Water, L/kg | 370 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 71 | |
| 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 800 | |
| 420 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 15 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 17 |
| Thermal Diffusivity, mm2/s | 29 | |
| 41 |
| Thermal Shock Resistance, points | 14 to 18 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 3.5 to 4.3 |
| Antimony (Sb), % | 0 to 0.5 | |
| 0 |
| Bismuth (Bi), % | 0.5 to 2.0 | |
| 0 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0050 |
| Copper (Cu), % | 58 to 62 | |
| 2.5 to 3.3 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.010 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 0.020 to 0.060 |
| Manganese (Mn), % | 0 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 1.5 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Selenium (Se), % | 0 to 0.2 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.030 |
| Tin (Sn), % | 1.0 to 1.8 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 30.6 to 40.5 | |
| 92.2 to 94 |
| Residuals, % | 0 to 0.5 | |
| 0 |