AWS E385 vs. C72700 Copper-nickel
AWS E385 belongs to the iron alloys classification, while C72700 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is AWS E385 and the bottom bar is C72700 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 34 | |
| 4.0 to 36 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 79 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 580 | |
| 460 to 1070 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 210 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1100 |
| Melting Onset (Solidus), °C | 1390 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 380 |
| Thermal Conductivity, W/m-K | 14 | |
| 54 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.7 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.9 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 36 |
| Density, g/cm3 | 8.1 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 5.8 | |
| 4.0 |
| Embodied Energy, MJ/kg | 79 | |
| 62 |
| Embodied Water, L/kg | 200 | |
| 350 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 20 | |
| 14 to 34 |
| Strength to Weight: Bending, points | 19 | |
| 15 to 26 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 16 |
| Thermal Shock Resistance, points | 15 | |
| 16 to 38 |
Alloy Composition
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| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 19.5 to 21.5 | |
| 0 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 82.1 to 86 |
| Iron (Fe), % | 41.8 to 50.1 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.15 |
| Manganese (Mn), % | 1.0 to 2.5 | |
| 0.050 to 0.3 |
| Molybdenum (Mo), % | 4.2 to 5.2 | |
| 0 |
| Nickel (Ni), % | 24 to 26 | |
| 8.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.9 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 | |
| 5.5 to 6.5 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.3 |