C86500 Bronze vs. C87500 Brass
Both C86500 bronze and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common.
For each property being compared, the top bar is C86500 bronze and the bottom bar is C87500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 25 | |
| 18 |
| Poisson's Ratio | 0.3 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 460 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 170 |
| Melting Completion (Liquidus), °C | 880 | |
| 920 |
| Melting Onset (Solidus), °C | 860 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Conductivity, W/m-K | 86 | |
| 28 |
| Thermal Expansion, µm/m-K | 21 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 | |
| 6.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 25 | |
| 7.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 27 |
| Density, g/cm3 | 7.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 48 | |
| 44 |
| Embodied Water, L/kg | 330 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 67 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 160 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 19 | |
| 16 |
| Strength to Weight: Bending, points | 18 | |
| 16 |
| Thermal Diffusivity, mm2/s | 28 | |
| 8.3 |
| Thermal Shock Resistance, points | 17 | |
| 17 |
Alloy Composition
| Aluminum (Al), % | 0.5 to 1.5 | |
| 0 to 0.5 |
| Copper (Cu), % | 55 to 60 | |
| 79 to 85 |
| Iron (Fe), % | 0.4 to 2.0 | |
| 0 |
| Lead (Pb), % | 0 to 0.4 | |
| 0 to 0.5 |
| Manganese (Mn), % | 0.1 to 1.5 | |
| 0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 |
| Silicon (Si), % | 0 | |
| 3.0 to 5.0 |
| Tin (Sn), % | 0 to 1.0 | |
| 0 |
| Zinc (Zn), % | 36 to 42 | |
| 12 to 16 |
| Residuals, % | 0 | |
| 0 to 0.5 |