C72700 Copper-nickel vs. AWS BAg-8
C72700 copper-nickel belongs to the copper alloys classification, while AWS BAg-8 belongs to the otherwise unclassified metals. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is AWS BAg-8.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 84 |
| Poisson's Ratio | 0.34 | |
| 0.36 |
| Shear Modulus, GPa | 44 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 140 |
| Melting Completion (Liquidus), °C | 1100 | |
| 780 |
| Melting Onset (Solidus), °C | 930 | |
| 780 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 280 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 4.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 14 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 4.1 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 6.2 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 6.7 |
Alloy Composition
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| Copper (Cu), % | 82.1 to 86 | |
| 26.9 to 29 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Silver (Ag), % | 0 | |
| 71 to 73 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |