ISO-WD21150 Magnesium vs. C15500 Copper
ISO-WD21150 magnesium belongs to the magnesium alloys classification, while C15500 copper 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-WD21150 magnesium and the bottom bar is C15500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 120 |
| Elongation at Break, % | 5.7 to 11 | |
| 3.0 to 37 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 17 | |
| 43 |
| Shear Strength, MPa | 150 to 170 | |
| 190 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 290 | |
| 280 to 550 |
| Tensile Strength: Yield (Proof), MPa | 120 to 200 | |
| 130 to 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 200 |
| Melting Completion (Liquidus), °C | 600 | |
| 1080 |
| Melting Onset (Solidus), °C | 550 | |
| 1080 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 390 |
| Thermal Conductivity, W/m-K | 100 | |
| 350 |
| Thermal Expansion, µm/m-K | 27 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 19 | |
| 90 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 91 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 33 |
| Density, g/cm3 | 1.7 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 2.7 |
| Embodied Energy, MJ/kg | 160 | |
| 42 |
| Embodied Water, L/kg | 980 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 24 | |
| 15 to 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 460 | |
| 72 to 1210 |
| Stiffness to Weight: Axial, points | 15 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 70 | |
| 18 |
| Strength to Weight: Axial, points | 40 to 48 | |
| 8.6 to 17 |
| Strength to Weight: Bending, points | 52 to 58 | |
| 11 to 17 |
| Thermal Diffusivity, mm2/s | 60 | |
| 100 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 9.8 to 20 |
Alloy Composition
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| Aluminum (Al), % | 2.4 to 3.6 | |
| 0 |
| Copper (Cu), % | 0 to 0.050 | |
| 99.75 to 99.853 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 |
| Magnesium (Mg), % | 94 to 97 | |
| 0.080 to 0.13 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.040 to 0.080 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Silver (Ag), % | 0 | |
| 0.027 to 0.1 |
| Zinc (Zn), % | 0.5 to 1.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.2 |