C94700 Bronze vs. C87300 Bronze
Both C94700 bronze and C87300 bronze are copper alloys. They have 88% of their average alloy composition in common.
For each property being compared, the top bar is C94700 bronze and the bottom bar is C87300 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 7.9 to 32 | |
| 22 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 43 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 590 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 160 to 400 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 200 |
| Melting Completion (Liquidus), °C | 1030 | |
| 970 |
| Melting Onset (Solidus), °C | 900 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 410 |
| Thermal Conductivity, W/m-K | 54 | |
| 28 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 6.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 6.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 29 |
| Density, g/cm3 | 8.8 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 3.5 | |
| 2.7 |
| Embodied Energy, MJ/kg | 56 | |
| 42 |
| Embodied Water, L/kg | 350 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 41 to 89 | |
| 62 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 700 | |
| 86 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 11 to 19 | |
| 11 |
| Strength to Weight: Bending, points | 13 to 18 | |
| 13 |
| Thermal Diffusivity, mm2/s | 16 | |
| 8.0 |
| Thermal Shock Resistance, points | 12 to 21 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 |
| Antimony (Sb), % | 0 to 0.15 | |
| 0 |
| Copper (Cu), % | 85 to 90 | |
| 94 to 95.7 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.1 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0.8 to 1.5 |
| Nickel (Ni), % | 4.5 to 6.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 3.5 to 5.0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Tin (Sn), % | 4.5 to 6.0 | |
| 0 |
| Zinc (Zn), % | 1.0 to 2.5 | |
| 0 to 0.25 |
| Residuals, % | 0 to 1.3 | |
| 0 to 0.5 |