O60 C65500 Bronze vs. O60 C70600 Copper-nickel
Both O60 C65500 bronze and O60 C70600 copper-nickel are copper alloys. Both are furnished in the O60 (soft annealed) temper. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is O60 C65500 bronze and the bottom bar is O60 C70600 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 39 | |
| 34 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 43 | |
| 46 |
| Shear Strength, MPa | 280 | |
| 190 |
| Tensile Strength: Ultimate (UTS), MPa | 400 | |
| 290 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 220 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1150 |
| Melting Onset (Solidus), °C | 970 | |
| 1100 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 36 | |
| 44 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 9.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 33 |
| Calomel Potential, mV | -270 | |
| -280 |
| Density, g/cm3 | 8.6 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.4 |
| Embodied Energy, MJ/kg | 42 | |
| 51 |
| Embodied Water, L/kg | 300 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 79 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 62 | |
| 58 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 | |
| 9.1 |
| Strength to Weight: Bending, points | 14 | |
| 11 |
| Thermal Diffusivity, mm2/s | 10 | |
| 13 |
| Thermal Shock Resistance, points | 14 | |
| 9.8 |
Alloy Composition
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| Copper (Cu), % | 91.5 to 96.7 | |
| 84.7 to 90 |
| Iron (Fe), % | 0 to 0.8 | |
| 1.0 to 1.8 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.5 to 1.3 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 to 0.6 | |
| 9.0 to 11 |
| Silicon (Si), % | 2.8 to 3.8 | |
| 0 |
| Zinc (Zn), % | 0 to 1.5 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |