C99700 Brass vs. ZA-8
C99700 brass belongs to the copper alloys classification, while ZA-8 belongs to the zinc alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is C99700 brass and the bottom bar is ZA-8.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 85 to 86 |
| Elongation at Break, % | 25 | |
| 1.3 to 8.0 |
| Poisson's Ratio | 0.32 | |
| 0.26 |
| Shear Modulus, GPa | 46 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 210 to 370 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 210 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 110 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 100 |
| Melting Completion (Liquidus), °C | 900 | |
| 400 |
| Melting Onset (Solidus), °C | 880 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 440 |
| Thermal Expansion, µm/m-K | 20 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 40 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 11 |
| Density, g/cm3 | 8.1 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 3.3 |
| Embodied Energy, MJ/kg | 53 | |
| 62 |
| Embodied Water, L/kg | 320 | |
| 420 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 | |
| 2.8 to 28 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 8.3 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 20 | |
| 23 |
| Strength to Weight: Axial, points | 13 | |
| 9.3 to 17 |
| Strength to Weight: Bending, points | 14 | |
| 12 to 18 |
| Thermal Shock Resistance, points | 11 | |
| 7.6 to 13 |
Alloy Composition
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| Aluminum (Al), % | 0.5 to 3.0 | |
| 8.0 to 8.8 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Copper (Cu), % | 54 to 65.5 | |
| 0.8 to 1.3 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.075 |
| Lead (Pb), % | 0 to 2.0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.015 to 0.030 |
| Manganese (Mn), % | 11 to 15 | |
| 0 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.045 |
| Tin (Sn), % | 0 to 1.0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 19 to 25 | |
| 89.7 to 91.2 |
| Residuals, % | 0 to 0.3 | |
| 0 |