AWS BAg-7 vs. C71500 Copper-nickel
AWS BAg-7 belongs to the otherwise unclassified metals classification, while C71500 copper-nickel belongs to the copper alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is AWS BAg-7 and the bottom bar is C71500 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 83 | |
| 140 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 31 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 150 | |
| 380 to 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 230 |
| Melting Completion (Liquidus), °C | 650 | |
| 1240 |
| Melting Onset (Solidus), °C | 620 | |
| 1170 |
| Specific Heat Capacity, J/kg-K | 290 | |
| 400 |
| Thermal Expansion, µm/m-K | 20 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.3 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 55 | |
| 5.1 |
| Embodied Energy, MJ/kg | 860 | |
| 74 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.9 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 16 | |
| 19 |
| Strength to Weight: Axial, points | 4.5 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 6.7 | |
| 13 to 18 |
| Thermal Shock Resistance, points | 6.4 | |
| 12 to 20 |
Alloy Composition
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| Copper (Cu), % | 21 to 23 | |
| 63.5 to 70.6 |
| Iron (Fe), % | 0 | |
| 0.4 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 29 to 33 |
| Silver (Ag), % | 55 to 57 | |
| 0 |
| Tin (Sn), % | 4.5 to 5.5 | |
| 0 |
| Zinc (Zn), % | 15 to 19 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |