C87300 Bronze vs. C33200 Brass
Both C87300 bronze and C33200 brass are copper alloys. They have 67% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C87300 bronze and the bottom bar is C33200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 22 | |
| 7.0 to 60 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 43 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 320 to 520 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 110 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 130 |
| Melting Completion (Liquidus), °C | 970 | |
| 930 |
| Melting Onset (Solidus), °C | 820 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 380 |
| Thermal Conductivity, W/m-K | 28 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.1 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.4 | |
| 28 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 24 |
| Density, g/cm3 | 8.6 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 42 | |
| 44 |
| Embodied Water, L/kg | 300 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 62 | |
| 35 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 86 | |
| 60 to 960 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 11 | |
| 11 to 17 |
| Strength to Weight: Bending, points | 13 | |
| 13 to 17 |
| Thermal Diffusivity, mm2/s | 8.0 | |
| 37 |
| Thermal Shock Resistance, points | 13 | |
| 11 to 17 |
Alloy Composition
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| Copper (Cu), % | 94 to 95.7 | |
| 65 to 68 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.070 |
| Lead (Pb), % | 0 to 0.2 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0 |
| Silicon (Si), % | 3.5 to 5.0 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 29 to 33.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |