C22000 Bronze vs. C47940 Brass
Both C22000 bronze and C47940 brass are copper alloys. They have 75% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C22000 bronze and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 1.9 to 45 | |
| 14 to 34 |
| Poisson's Ratio | 0.33 | |
| 0.31 |
| Shear Modulus, GPa | 42 | |
| 40 |
| Shear Strength, MPa | 200 to 300 | |
| 250 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 520 | |
| 380 to 520 |
| Tensile Strength: Yield (Proof), MPa | 69 to 500 | |
| 160 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 130 |
| Melting Completion (Liquidus), °C | 1040 | |
| 850 |
| Melting Onset (Solidus), °C | 1020 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 190 | |
| 110 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 25 |
| Density, g/cm3 | 8.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 42 | |
| 47 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.7 to 230 | |
| 68 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 21 to 1110 | |
| 120 to 740 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 8.1 to 17 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 10 to 17 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 56 | |
| 36 |
| Thermal Shock Resistance, points | 8.8 to 18 | |
| 13 to 17 |
Alloy Composition
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| Copper (Cu), % | 89 to 91 | |
| 63 to 66 |
| Iron (Fe), % | 0 to 0.050 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 0 to 0.050 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 0.1 to 0.5 |
| Tin (Sn), % | 0 | |
| 1.2 to 2.0 |
| Zinc (Zn), % | 8.7 to 11 | |
| 28.1 to 34.6 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.4 |