C90300 Bronze vs. C86200 Bronze
Both C90300 bronze and C86200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common.
For each property being compared, the top bar is C90300 bronze and the bottom bar is C86200 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 22 | |
| 21 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 710 |
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 160 |
| Melting Completion (Liquidus), °C | 1000 | |
| 940 |
| Melting Onset (Solidus), °C | 850 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 410 |
| Thermal Conductivity, W/m-K | 75 | |
| 35 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 9.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 23 |
| Density, g/cm3 | 8.7 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.9 |
| Embodied Energy, MJ/kg | 56 | |
| 49 |
| Embodied Water, L/kg | 370 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 | |
| 540 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 11 | |
| 25 |
| Strength to Weight: Bending, points | 12 | |
| 22 |
| Thermal Diffusivity, mm2/s | 23 | |
| 11 |
| Thermal Shock Resistance, points | 12 | |
| 23 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 3.0 to 4.9 |
| Antimony (Sb), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 86 to 89 | |
| 60 to 66 |
| Iron (Fe), % | 0 to 0.2 | |
| 2.0 to 4.0 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 | |
| 2.5 to 5.0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 1.5 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Tin (Sn), % | 7.5 to 9.0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 3.0 to 5.0 | |
| 22 to 28 |
| Residuals, % | 0 to 0.6 | |
| 0 to 1.0 |