Type 4 Magnetic Alloy vs. C18700 Copper
Type 4 magnetic alloy belongs to the nickel alloys classification, while C18700 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is Type 4 magnetic alloy and the bottom bar is C18700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 2.0 to 40 | |
| 9.0 to 9.6 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 73 | |
| 43 |
| Shear Strength, MPa | 420 to 630 | |
| 170 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1100 | |
| 290 to 330 |
| Tensile Strength: Yield (Proof), MPa | 270 to 1040 | |
| 230 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 200 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1080 |
| Melting Onset (Solidus), °C | 1370 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 380 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 98 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 30 |
| Density, g/cm3 | 8.8 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 2.6 |
| Embodied Energy, MJ/kg | 140 | |
| 41 |
| Embodied Water, L/kg | 210 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 to 200 | |
| 24 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 2840 | |
| 240 to 280 |
| Stiffness to Weight: Axial, points | 12 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 22 | |
| 18 |
| Strength to Weight: Axial, points | 19 to 35 | |
| 9.0 to 10 |
| Strength to Weight: Bending, points | 18 to 27 | |
| 11 to 12 |
| Thermal Shock Resistance, points | 21 to 37 | |
| 10 to 12 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Cobalt (Co), % | 0 to 0.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 98 to 99.2 |
| Iron (Fe), % | 9.5 to 17.5 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0.8 to 1.5 |
| Manganese (Mn), % | 0 to 0.8 | |
| 0 |
| Molybdenum (Mo), % | 3.5 to 6.0 | |
| 0 |
| Nickel (Ni), % | 79 to 82 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |