C71500 Copper-nickel vs. AWS BNi-8
C71500 copper-nickel belongs to the copper alloys classification, while AWS BNi-8 belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is AWS BNi-8.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 180 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 52 | |
| 67 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 620 | |
| 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 390 |
| Melting Completion (Liquidus), °C | 1240 | |
| 1010 |
| Melting Onset (Solidus), °C | 1170 | |
| 980 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 41 | |
| 46 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 8.2 |
| Embodied Energy, MJ/kg | 74 | |
| 120 |
| Embodied Water, L/kg | 280 | |
| 220 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.6 | |
| 12 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 12 to 19 | |
| 20 |
| Strength to Weight: Bending, points | 13 to 18 | |
| 19 |
| Thermal Shock Resistance, points | 12 to 20 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 | |
| 0 to 0.060 |
| Cobalt (Co), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 63.5 to 70.6 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 21.5 to 24.5 |
| Nickel (Ni), % | 29 to 33 | |
| 61.6 to 68.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Selenium (Se), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 | |
| 6.0 to 8.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |