C71640 Copper-nickel vs. AWS E3155
C71640 copper-nickel belongs to the copper alloys classification, while AWS E3155 belongs to the iron alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 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 C71640 copper-nickel and the bottom bar is AWS E3155.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 210 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 52 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 310 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1460 |
| Melting Onset (Solidus), °C | 1120 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 450 |
| Thermal Conductivity, W/m-K | 29 | |
| 13 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 70 |
| Density, g/cm3 | 8.9 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 7.7 |
| Embodied Energy, MJ/kg | 73 | |
| 110 |
| Embodied Water, L/kg | 280 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 26 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 22 |
| Thermal Diffusivity, mm2/s | 8.2 | |
| 3.3 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 20 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 20 to 22.5 |
| Cobalt (Co), % | 0 | |
| 18.5 to 21 |
| Copper (Cu), % | 61.7 to 67.8 | |
| 0 to 0.75 |
| Iron (Fe), % | 1.7 to 2.3 | |
| 23.3 to 36.3 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 1.0 to 2.5 |
| Molybdenum (Mo), % | 0 | |
| 2.5 to 3.5 |
| Nickel (Ni), % | 29 to 32 | |
| 19 to 21 |
| Niobium (Nb), % | 0 | |
| 0.75 to 1.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 2.0 to 3.0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |