C54400 Bronze vs. C78200 Nickel Silver
Both C54400 bronze and C78200 nickel silver are copper alloys. They have 70% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C54400 bronze and the bottom bar is C78200 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Rockwell B Hardness | 67 to 93 | |
| 65 to 90 |
| Rockwell Superficial 30T Hardness | 33 to 79 | |
| 63 to 75 |
| Shear Modulus, GPa | 40 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 720 | |
| 370 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 160 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1000 |
| Melting Onset (Solidus), °C | 930 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 390 |
| Thermal Conductivity, W/m-K | 86 | |
| 48 |
| Thermal Expansion, µm/m-K | 18 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 19 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 28 |
| Density, g/cm3 | 8.9 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 3.3 |
| Embodied Energy, MJ/kg | 48 | |
| 52 |
| Embodied Water, L/kg | 340 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.8 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 10 to 22 | |
| 12 to 21 |
| Strength to Weight: Bending, points | 12 to 20 | |
| 14 to 19 |
| Thermal Diffusivity, mm2/s | 26 | |
| 15 |
| Thermal Shock Resistance, points | 12 to 26 | |
| 12 to 21 |
Alloy Composition
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| Copper (Cu), % | 85.4 to 91.5 | |
| 63 to 67 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.35 |
| Lead (Pb), % | 3.5 to 4.5 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 7.0 to 9.0 |
| Phosphorus (P), % | 0.010 to 0.5 | |
| 0 |
| Tin (Sn), % | 3.5 to 4.5 | |
| 0 |
| Zinc (Zn), % | 1.5 to 4.5 | |
| 20.2 to 28.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |