C87600 Bronze vs. C70250 Copper
Both C87600 bronze and C70250 copper are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 24 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 C87600 bronze and the bottom bar is C70250 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 42 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 520 to 740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 210 |
| Melting Completion (Liquidus), °C | 970 | |
| 1100 |
| Melting Onset (Solidus), °C | 860 | |
| 1080 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 390 |
| Thermal Conductivity, W/m-K | 28 | |
| 170 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.0 | |
| 36 to 50 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.4 | |
| 37 to 51 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 31 |
| Density, g/cm3 | 8.5 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.9 |
| Embodied Energy, MJ/kg | 43 | |
| 45 |
| Embodied Water, L/kg | 300 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 16 | |
| 16 to 23 |
| Strength to Weight: Bending, points | 16 | |
| 16 to 21 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 49 |
| Thermal Shock Resistance, points | 17 | |
| 18 to 26 |
Alloy Composition
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| Copper (Cu), % | 88 to 92.5 | |
| 92.7 to 97.5 |
| Lead (Pb), % | 0 to 0.5 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0 | |
| 0.050 to 0.3 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 2.2 to 4.2 |
| Silicon (Si), % | 3.5 to 5.5 | |
| 0.25 to 1.2 |
| Zinc (Zn), % | 4.0 to 7.0 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |