C87200 Bronze vs. AWS ERNiCu-7
C87200 bronze belongs to the copper alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. They have a modest 31% 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 (5, in this case) are not shown.
For each property being compared, the top bar is C87200 bronze and the bottom bar is AWS ERNiCu-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 160 |
| Elongation at Break, % | 30 | |
| 34 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 61 |
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 280 |
| Melting Completion (Liquidus), °C | 970 | |
| 1280 |
| Melting Onset (Solidus), °C | 860 | |
| 1240 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 440 |
| Thermal Conductivity, W/m-K | 28 | |
| 20 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.0 | |
| 3.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.3 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 50 |
| Density, g/cm3 | 8.6 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 8.5 |
| Embodied Energy, MJ/kg | 44 | |
| 120 |
| Embodied Water, L/kg | 310 | |
| 250 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 10 |
| Stiffness to Weight: Bending, points | 19 | |
| 21 |
| Strength to Weight: Axial, points | 12 | |
| 18 |
| Strength to Weight: Bending, points | 14 | |
| 17 |
| Thermal Diffusivity, mm2/s | 8.0 | |
| 5.3 |
| Thermal Shock Resistance, points | 14 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 1.5 | |
| 0 to 1.3 |
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Copper (Cu), % | 89 to 99 | |
| 18.3 to 36.5 |
| Iron (Fe), % | 0 to 2.5 | |
| 0 to 2.5 |
| Lead (Pb), % | 0 to 0.5 | |
| 0 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 4.0 |
| Nickel (Ni), % | 0 | |
| 62 to 69 |
| Phosphorus (P), % | 0 to 0.5 | |
| 0 to 0.030 |
| Silicon (Si), % | 1.0 to 5.0 | |
| 0 to 1.3 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 0 to 1.0 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 0 to 5.0 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |