C67500 Bronze vs. C75700 Nickel Silver
Both C67500 bronze and C75700 nickel silver are copper alloys. They have 82% of their average alloy composition in common.
For each property being compared, the top bar is C67500 bronze and the bottom bar is C75700 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 14 to 33 | |
| 3.2 to 22 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 45 |
| Shear Strength, MPa | 270 to 350 | |
| 350 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 580 | |
| 590 to 610 |
| Tensile Strength: Yield (Proof), MPa | 170 to 370 | |
| 470 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 180 |
| Melting Completion (Liquidus), °C | 890 | |
| 1040 |
| Melting Onset (Solidus), °C | 870 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 40 |
| Thermal Expansion, µm/m-K | 21 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 24 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 27 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 30 |
| Density, g/cm3 | 8.0 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.6 |
| Embodied Energy, MJ/kg | 47 | |
| 56 |
| Embodied Water, L/kg | 330 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 61 to 130 | |
| 19 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 650 | |
| 930 to 1410 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 16 to 19 | |
| 19 |
| Thermal Diffusivity, mm2/s | 34 | |
| 12 |
| Thermal Shock Resistance, points | 14 to 19 | |
| 22 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 57 to 60 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 0.8 to 2.0 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.050 to 0.5 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 11 to 13 |
| Tin (Sn), % | 0.5 to 1.5 | |
| 0 |
| Zinc (Zn), % | 35.1 to 41.7 | |
| 19.2 to 25.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |