ZA-27 vs. C27200 Brass
ZA-27 belongs to the zinc alloys classification, while C27200 brass belongs to the copper 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 ZA-27 and the bottom bar is C27200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 110 |
| Elongation at Break, % | 2.0 to 4.5 | |
| 10 to 50 |
| Poisson's Ratio | 0.27 | |
| 0.31 |
| Rockwell B Hardness | 60 to 72 | |
| 53 to 86 |
| Shear Modulus, GPa | 31 | |
| 40 |
| Shear Strength, MPa | 230 to 330 | |
| 230 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 400 to 430 | |
| 370 to 590 |
| Tensile Strength: Yield (Proof), MPa | 260 to 370 | |
| 150 to 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 130 |
| Melting Completion (Liquidus), °C | 480 | |
| 920 |
| Melting Onset (Solidus), °C | 380 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 530 | |
| 390 |
| Thermal Conductivity, W/m-K | 130 | |
| 120 |
| Thermal Expansion, µm/m-K | 26 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 53 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 24 |
| Density, g/cm3 | 5.0 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 80 | |
| 45 |
| Embodied Water, L/kg | 570 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 8.1 to 18 | |
| 30 to 270 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 to 890 | |
| 110 to 810 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 28 | |
| 19 |
| Strength to Weight: Axial, points | 22 to 24 | |
| 13 to 20 |
| Strength to Weight: Bending, points | 24 to 25 | |
| 14 to 19 |
| Thermal Diffusivity, mm2/s | 47 | |
| 37 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 12 to 20 |
Alloy Composition
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| Aluminum (Al), % | 25 to 28 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 2.0 to 2.5 | |
| 62 to 65 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.070 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 to 0.070 |
| Magnesium (Mg), % | 0.010 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.080 | |
| 0 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Zinc (Zn), % | 69.3 to 73 | |
| 34.6 to 38 |
| Residuals, % | 0 | |
| 0 to 0.3 |