C43000 Brass vs. C22000 Bronze
Both C43000 brass and C22000 bronze are copper alloys. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is C43000 brass and the bottom bar is C22000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 3.0 to 55 | |
| 1.9 to 45 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Rockwell B Hardness | 30 to 100 | |
| 42 to 81 |
| Rockwell Superficial 30T Hardness | 57 to 86 | |
| 47 to 73 |
| Shear Modulus, GPa | 42 | |
| 42 |
| Shear Strength, MPa | 230 to 410 | |
| 200 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 710 | |
| 260 to 520 |
| Tensile Strength: Yield (Proof), MPa | 130 to 550 | |
| 69 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1040 |
| Melting Onset (Solidus), °C | 1000 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 190 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 44 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 28 | |
| 45 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 29 |
| Density, g/cm3 | 8.6 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 46 | |
| 42 |
| Embodied Water, L/kg | 330 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 150 | |
| 3.7 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 82 to 1350 | |
| 21 to 1110 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 10 to 23 | |
| 8.1 to 17 |
| Strength to Weight: Bending, points | 12 to 20 | |
| 10 to 17 |
| Thermal Diffusivity, mm2/s | 36 | |
| 56 |
| Thermal Shock Resistance, points | 11 to 25 | |
| 8.8 to 18 |
Alloy Composition
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| Copper (Cu), % | 84 to 87 | |
| 89 to 91 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.1 | |
| 0 to 0.050 |
| Tin (Sn), % | 1.7 to 2.7 | |
| 0 |
| Zinc (Zn), % | 9.7 to 14.3 | |
| 8.7 to 11 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |