EN 1.5023 Steel vs. EN-MC21320 Magnesium
EN 1.5023 steel belongs to the iron alloys classification, while EN-MC21320 magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 EN 1.5023 steel and the bottom bar is EN-MC21320 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 440 | |
| 68 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 45 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 1860 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 110 |
| Melting Completion (Liquidus), °C | 1440 | |
| 600 |
| Melting Onset (Solidus), °C | 1400 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 1000 |
| Thermal Conductivity, W/m-K | 48 | |
| 66 |
| Thermal Expansion, µm/m-K | 13 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 91 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 12 |
| Density, g/cm3 | 7.7 | |
| 1.6 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 23 |
| Embodied Energy, MJ/kg | 19 | |
| 160 |
| Embodied Water, L/kg | 45 | |
| 980 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 25 | |
| 72 |
| Strength to Weight: Axial, points | 21 to 67 | |
| 38 |
| Strength to Weight: Bending, points | 20 to 43 | |
| 50 |
| Thermal Diffusivity, mm2/s | 13 | |
| 40 |
| Thermal Shock Resistance, points | 17 to 56 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.5 to 5.0 |
| Carbon (C), % | 0.35 to 0.42 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.010 |
| Iron (Fe), % | 96.9 to 97.7 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 92.5 to 95.9 |
| Manganese (Mn), % | 0.5 to 0.8 | |
| 0.1 to 0.7 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0020 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 1.5 to 1.8 | |
| 0.5 to 1.5 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.010 |