Type 4 Magnetic Alloy vs. C71520 Copper-nickel
Type 4 magnetic alloy belongs to the nickel alloys classification, while C71520 copper-nickel belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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 Type 4 magnetic alloy and the bottom bar is C71520 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Elongation at Break, % | 2.0 to 40 | |
| 10 to 45 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 73 | |
| 51 |
| Shear Strength, MPa | 420 to 630 | |
| 250 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1100 | |
| 370 to 570 |
| Tensile Strength: Yield (Proof), MPa | 270 to 1040 | |
| 140 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 260 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1170 |
| Melting Onset (Solidus), °C | 1370 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 400 |
| Thermal Expansion, µm/m-K | 11 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 5.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.0 | |
| 5.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 40 |
| Density, g/cm3 | 8.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 5.0 |
| Embodied Energy, MJ/kg | 140 | |
| 73 |
| Embodied Water, L/kg | 210 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 22 to 200 | |
| 54 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 2840 | |
| 67 to 680 |
| Stiffness to Weight: Axial, points | 12 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 22 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 35 | |
| 12 to 18 |
| Strength to Weight: Bending, points | 18 to 27 | |
| 13 to 17 |
| Thermal Shock Resistance, points | 21 to 37 | |
| 12 to 19 |
Alloy Composition
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| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Cobalt (Co), % | 0 to 0.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 65 to 71.6 |
| Iron (Fe), % | 9.5 to 17.5 | |
| 0.4 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 to 0.8 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 3.5 to 6.0 | |
| 0 |
| Nickel (Ni), % | 79 to 82 | |
| 28 to 33 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.020 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |