C87700 Bronze vs. C82700 Copper
Both C87700 bronze and C82700 copper are copper alloys. They have 90% of their average alloy composition in common. There are 27 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 C87700 bronze and the bottom bar is C82700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 3.6 | |
| 1.8 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 42 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 300 | |
| 1200 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 1020 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 300 |
| Melting Completion (Liquidus), °C | 980 | |
| 950 |
| Melting Onset (Solidus), °C | 900 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 130 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 45 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 48 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 12 |
| Embodied Energy, MJ/kg | 45 | |
| 180 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 8.6 | |
| 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 64 | |
| 4260 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 9.8 | |
| 38 |
| Strength to Weight: Bending, points | 12 | |
| 29 |
| Thermal Diffusivity, mm2/s | 34 | |
| 39 |
| Thermal Shock Resistance, points | 11 | |
| 41 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.15 |
| Antimony (Sb), % | 0 to 0.1 | |
| 0 |
| Beryllium (Be), % | 0 | |
| 2.4 to 2.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.090 |
| Copper (Cu), % | 87.5 to 90.5 | |
| 94.6 to 96.7 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 to 0.8 | |
| 0 |
| Nickel (Ni), % | 0 to 0.25 | |
| 1.0 to 1.5 |
| Phosphorus (P), % | 0 to 0.15 | |
| 0 |
| Silicon (Si), % | 2.5 to 3.5 | |
| 0 to 0.15 |
| Tin (Sn), % | 0 to 2.0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 7.0 to 9.0 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.8 | |
| 0 to 0.5 |