C68000 Brass vs. ZA-27
C68000 brass belongs to the copper alloys classification, while ZA-27 belongs to the zinc alloys. They have 42% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is C68000 brass and the bottom bar is ZA-27.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 78 |
| Elongation at Break, % | 27 | |
| 2.0 to 4.5 |
| Poisson's Ratio | 0.3 | |
| 0.27 |
| Shear Modulus, GPa | 40 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 400 to 430 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 260 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 130 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 120 |
| Melting Completion (Liquidus), °C | 880 | |
| 480 |
| Melting Onset (Solidus), °C | 870 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 530 |
| Thermal Conductivity, W/m-K | 96 | |
| 130 |
| Thermal Expansion, µm/m-K | 21 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 11 |
| Density, g/cm3 | 8.0 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 4.2 |
| Embodied Energy, MJ/kg | 48 | |
| 80 |
| Embodied Water, L/kg | 330 | |
| 570 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 | |
| 8.1 to 18 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 95 | |
| 420 to 890 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 20 | |
| 28 |
| Strength to Weight: Axial, points | 14 | |
| 22 to 24 |
| Strength to Weight: Bending, points | 15 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 31 | |
| 47 |
| Thermal Shock Resistance, points | 13 | |
| 14 to 15 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 25 to 28 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Copper (Cu), % | 56 to 60 | |
| 2.0 to 2.5 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.010 to 0.020 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0.2 to 0.8 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 0 to 0.080 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 35.6 to 42.8 | |
| 69.3 to 73 |
| Residuals, % | 0 to 0.5 | |
| 0 |