AWS ENiCu-7 vs. C74500 Nickel Silver
AWS ENiCu-7 belongs to the nickel alloys classification, while C74500 nickel silver belongs to the copper alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is C74500 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 120 |
| Elongation at Break, % | 34 | |
| 3.0 to 24 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 62 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 390 to 700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 190 |
| Melting Completion (Liquidus), °C | 1270 | |
| 1020 |
| Melting Onset (Solidus), °C | 1230 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 390 |
| Thermal Conductivity, W/m-K | 21 | |
| 45 |
| Thermal Expansion, µm/m-K | 13 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 9.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 29 |
| Density, g/cm3 | 8.7 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 3.4 |
| Embodied Energy, MJ/kg | 110 | |
| 54 |
| Embodied Water, L/kg | 250 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 10 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 21 | |
| 19 |
| Strength to Weight: Axial, points | 17 | |
| 13 to 23 |
| Strength to Weight: Bending, points | 17 | |
| 14 to 21 |
| Thermal Diffusivity, mm2/s | 5.5 | |
| 14 |
| Thermal Shock Resistance, points | 18 | |
| 13 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.75 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 20.6 to 38 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 0 to 2.5 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 4.0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 62 to 69 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 to 1.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 21.2 to 27.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |