C18700 Copper vs. Type 2 Magnetic Alloy
C18700 copper belongs to the copper alloys classification, while Type 2 magnetic alloy belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C18700 copper and the bottom bar is Type 2 magnetic alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 9.0 to 9.6 | |
| 2.0 to 38 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Shear Modulus, GPa | 43 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 330 | |
| 510 to 910 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 260 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 270 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1420 |
| Melting Onset (Solidus), °C | 950 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 460 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 98 | |
| 3.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 4.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 33 |
| Density, g/cm3 | 9.0 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 5.9 |
| Embodied Energy, MJ/kg | 41 | |
| 81 |
| Embodied Water, L/kg | 310 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 29 | |
| 18 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 280 | |
| 170 to 2010 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 12 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 |
| Strength to Weight: Axial, points | 9.0 to 10 | |
| 17 to 30 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 17 to 25 |
| Thermal Shock Resistance, points | 10 to 12 | |
| 16 to 29 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Cobalt (Co), % | 0 | |
| 0 to 0.5 |
| Copper (Cu), % | 98 to 99.2 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 | |
| 48.2 to 53 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 | |
| 47 to 49 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Residuals, % | 0 to 0.5 | |
| 0 |