CR022A Copper vs. C93400 Bronze
Both CR022A copper and C93400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common.
For each property being compared, the top bar is CR022A copper and the bottom bar is C93400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 15 | |
| 9.1 |
| Poisson's Ratio | 0.34 | |
| 0.35 |
| Shear Modulus, GPa | 43 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 150 |
| Melting Completion (Liquidus), °C | 1090 | |
| 950 |
| Melting Onset (Solidus), °C | 1040 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 350 |
| Thermal Conductivity, W/m-K | 380 | |
| 58 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 100 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 32 |
| Density, g/cm3 | 9.0 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.3 |
| Embodied Energy, MJ/kg | 41 | |
| 54 |
| Embodied Water, L/kg | 310 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 | |
| 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 83 | |
| 120 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 6.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 17 |
| Strength to Weight: Axial, points | 7.1 | |
| 8.3 |
| Strength to Weight: Bending, points | 9.3 | |
| 10 |
| Thermal Diffusivity, mm2/s | 110 | |
| 18 |
| Thermal Shock Resistance, points | 8.1 | |
| 10 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 to 0.00040 | |
| 0 to 0.5 |
| Arsenic (As), % | 0 to 0.00050 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.00020 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.00010 | |
| 0 |
| Copper (Cu), % | 99.99 to 99.999 | |
| 82 to 85 |
| Iron (Fe), % | 0 to 0.0010 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.00050 | |
| 7.0 to 9.0 |
| Manganese (Mn), % | 0 to 0.00050 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0010 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0.0010 to 0.0060 | |
| 0 to 1.5 |
| Selenium (Se), % | 0 to 0.00020 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Silver (Ag), % | 0 to 0.0025 | |
| 0 |
| Sulfur (S), % | 0 to 0.0015 | |
| 0 to 0.080 |
| Tellurium (Te), % | 0 to 0.00020 | |
| 0 |
| Tin (Sn), % | 0 to 0.00020 | |
| 7.0 to 9.0 |
| Zinc (Zn), % | 0 to 0.00010 | |
| 0 to 0.8 |
| Residuals, % | 0 | |
| 0 to 1.0 |