C18900 Copper vs. AWS E430Nb
C18900 copper belongs to the copper alloys classification, while AWS E430Nb belongs to the iron 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 C18900 copper and the bottom bar is AWS E430Nb.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 14 to 48 | |
| 23 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 500 | |
| 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1450 |
| Melting Onset (Solidus), °C | 1020 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 130 | |
| 24 |
| Thermal Expansion, µm/m-K | 17 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 | |
| 2.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 30 | |
| 3.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 15 |
| Density, g/cm3 | 8.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.1 |
| Embodied Energy, MJ/kg | 42 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 120 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 8.2 to 16 | |
| 18 |
| Strength to Weight: Bending, points | 10 to 16 | |
| 18 |
| Thermal Diffusivity, mm2/s | 38 | |
| 6.6 |
| Thermal Shock Resistance, points | 9.3 to 18 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 15 to 18 |
| Copper (Cu), % | 97.7 to 99.15 | |
| 0 to 0.75 |
| Iron (Fe), % | 0 | |
| 76.2 to 84.5 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0.1 to 0.3 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.75 |
| Nickel (Ni), % | 0 | |
| 0 to 0.6 |
| Niobium (Nb), % | 0 | |
| 0.5 to 1.5 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.4 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0.6 to 0.9 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |