C19700 Copper vs. C22000 Bronze
Both C19700 copper and C22000 bronze are copper alloys. They have a moderately high 90% of their average alloy composition in common.
For each property being compared, the top bar is C19700 copper and the bottom bar is C22000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 2.4 to 13 | |
| 1.9 to 45 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell B Hardness | 67 to 75 | |
| 42 to 81 |
| Rockwell Superficial 30T Hardness | 65 to 72 | |
| 47 to 73 |
| Shear Modulus, GPa | 43 | |
| 42 |
| Shear Strength, MPa | 240 to 300 | |
| 200 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 400 to 530 | |
| 260 to 520 |
| Tensile Strength: Yield (Proof), MPa | 330 to 520 | |
| 69 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1040 |
| Melting Onset (Solidus), °C | 1040 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 250 | |
| 190 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 86 to 88 | |
| 44 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 87 to 89 | |
| 45 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 41 | |
| 42 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 49 | |
| 3.7 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1160 | |
| 21 to 1110 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 12 to 16 | |
| 8.1 to 17 |
| Strength to Weight: Bending, points | 14 to 16 | |
| 10 to 17 |
| Thermal Diffusivity, mm2/s | 73 | |
| 56 |
| Thermal Shock Resistance, points | 14 to 19 | |
| 8.8 to 18 |
Alloy Composition
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| Cobalt (Co), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 97.4 to 99.59 | |
| 89 to 91 |
| Iron (Fe), % | 0.3 to 1.2 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.010 to 0.2 | |
| 0 |
| Manganese (Mn), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0.1 to 0.4 | |
| 0 |
| Tin (Sn), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 8.7 to 11 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.2 |