C52100 Bronze vs. C77000 Nickel Silver
Both C52100 bronze and C77000 nickel silver are copper alloys. They have 55% of their average alloy composition in common.
For each property being compared, the top bar is C52100 bronze and the bottom bar is C77000 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Rockwell B Hardness | 45 to 100 | |
| 52 to 99 |
| Rockwell Superficial 30T Hardness | 48 to 82 | |
| 49 to 90 |
| Shear Modulus, GPa | 41 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 800 | |
| 420 to 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1050 |
| Melting Onset (Solidus), °C | 880 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 400 |
| Thermal Conductivity, W/m-K | 62 | |
| 29 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 13 | |
| 5.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 13 | |
| 6.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 31 |
| Density, g/cm3 | 8.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 4.1 |
| Embodied Energy, MJ/kg | 55 | |
| 63 |
| Embodied Water, L/kg | 370 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.0 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 12 to 25 | |
| 14 to 27 |
| Strength to Weight: Bending, points | 13 to 22 | |
| 15 to 23 |
| Thermal Diffusivity, mm2/s | 19 | |
| 8.8 |
| Thermal Shock Resistance, points | 14 to 28 | |
| 15 to 28 |
Alloy Composition
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| Copper (Cu), % | 89.8 to 93 | |
| 53.5 to 56.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 16.5 to 19.5 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 |
| Tin (Sn), % | 7.0 to 9.0 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 22.7 to 30 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |