C90500 Gun Metal vs. C73100 Nickel Silver
Both C90500 gun metal and C73100 nickel silver are copper alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C90500 gun metal and the bottom bar is C73100 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 20 | |
| 3.4 to 8.0 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 320 | |
| 450 to 640 |
| Tensile Strength: Yield (Proof), MPa | 160 | |
| 420 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1030 |
| Melting Onset (Solidus), °C | 850 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 390 |
| Thermal Conductivity, W/m-K | 75 | |
| 35 |
| Thermal Expansion, µm/m-K | 18 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 35 | |
| 28 |
| Density, g/cm3 | 8.7 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 3.0 |
| Embodied Energy, MJ/kg | 59 | |
| 49 |
| Embodied Water, L/kg | 390 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 54 | |
| 21 to 35 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 | |
| 790 to 1560 |
| Stiffness to Weight: Axial, points | 6.9 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 10 | |
| 15 to 21 |
| Strength to Weight: Bending, points | 12 | |
| 15 to 20 |
| Thermal Diffusivity, mm2/s | 23 | |
| 11 |
| Thermal Shock Resistance, points | 12 | |
| 15 to 21 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 |
| Antimony (Sb), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 86 to 89 | |
| 70.8 to 78 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 1.0 | |
| 4.0 to 6.0 |
| Phosphorus (P), % | 0 to 1.5 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Tin (Sn), % | 9.0 to 11 | |
| 0 to 0.1 |
| Zinc (Zn), % | 1.0 to 3.0 | |
| 18 to 22 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |