ISO-WD32260 Magnesium vs. C72700 Copper-nickel
ISO-WD32260 magnesium belongs to the magnesium alloys classification, while C72700 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is ISO-WD32260 magnesium and the bottom bar is C72700 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 120 |
| Elongation at Break, % | 4.5 to 6.0 | |
| 4.0 to 36 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 18 | |
| 44 |
| Shear Strength, MPa | 190 to 200 | |
| 310 to 620 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 340 | |
| 460 to 1070 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 580 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 200 |
| Melting Completion (Liquidus), °C | 600 | |
| 1100 |
| Melting Onset (Solidus), °C | 520 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 380 |
| Thermal Conductivity, W/m-K | 110 | |
| 54 |
| Thermal Expansion, µm/m-K | 27 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 36 |
| Density, g/cm3 | 1.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 4.0 |
| Embodied Energy, MJ/kg | 160 | |
| 62 |
| Embodied Water, L/kg | 940 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 19 | |
| 20 to 380 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 700 | |
| 1420 to 4770 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 63 | |
| 19 |
| Strength to Weight: Axial, points | 48 to 51 | |
| 14 to 34 |
| Strength to Weight: Bending, points | 56 to 58 | |
| 15 to 26 |
| Thermal Diffusivity, mm2/s | 63 | |
| 16 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 16 to 38 |
Alloy Composition
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| Copper (Cu), % | 0 | |
| 82.1 to 86 |
| Iron (Fe), % | 0 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 92.7 to 94.8 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.3 |
| Nickel (Ni), % | 0 | |
| 8.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 5.5 to 6.5 |
| Zinc (Zn), % | 4.8 to 6.2 | |
| 0 to 0.5 |
| Zirconium (Zr), % | 0.45 to 0.8 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.3 |