C67000 Bronze vs. C74500 Nickel Silver
Both C67000 bronze and C74500 nickel silver are copper alloys. They have a moderately high 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C67000 bronze and the bottom bar is C74500 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 5.6 to 11 | |
| 3.0 to 24 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 42 | |
| 44 |
| Shear Strength, MPa | 390 to 510 | |
| 310 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 880 | |
| 390 to 700 |
| Tensile Strength: Yield (Proof), MPa | 350 to 540 | |
| 380 to 600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 170 |
| Melting Completion (Liquidus), °C | 900 | |
| 1020 |
| Melting Onset (Solidus), °C | 850 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 390 |
| Thermal Conductivity, W/m-K | 99 | |
| 45 |
| Thermal Expansion, µm/m-K | 20 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 25 | |
| 9.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 29 |
| Density, g/cm3 | 7.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 3.4 |
| Embodied Energy, MJ/kg | 49 | |
| 54 |
| Embodied Water, L/kg | 350 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 43 to 62 | |
| 12 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 1290 | |
| 620 to 1540 |
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 23 to 31 | |
| 13 to 23 |
| Strength to Weight: Bending, points | 21 to 26 | |
| 14 to 21 |
| Thermal Diffusivity, mm2/s | 30 | |
| 14 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 13 to 23 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 6.0 | |
| 0 |
| Copper (Cu), % | 63 to 68 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 2.0 to 4.0 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 to 0.1 |
| Manganese (Mn), % | 2.5 to 5.0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 9.0 to 11 |
| Tin (Sn), % | 0 to 0.5 | |
| 0 |
| Zinc (Zn), % | 21.8 to 32.5 | |
| 21.2 to 27.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |