C70250 Copper vs. AWS E320LR
C70250 copper belongs to the copper alloys classification, while AWS E320LR belongs to the iron alloys. There are 19 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 C70250 copper and the bottom bar is AWS E320LR.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 740 | |
| 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 300 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1410 |
| Melting Onset (Solidus), °C | 1080 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 460 |
| Thermal Expansion, µm/m-K | 17 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 36 |
| Density, g/cm3 | 8.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 6.2 |
| Embodied Energy, MJ/kg | 45 | |
| 87 |
| Embodied Water, L/kg | 310 | |
| 220 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 23 | |
| 20 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 19 |
| Thermal Shock Resistance, points | 18 to 26 | |
| 15 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Copper (Cu), % | 92.7 to 97.5 | |
| 3.0 to 4.0 |
| Iron (Fe), % | 0 | |
| 32.7 to 42.5 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.050 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 2.2 to 4.2 | |
| 32 to 36 |
| Niobium (Nb), % | 0 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.25 to 1.2 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |