EN-MC21320 Magnesium vs. EN 1.5113 Steel
EN-MC21320 magnesium belongs to the magnesium alloys classification, while EN 1.5113 steel belongs to the iron alloys. 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-MC21320 magnesium and the bottom bar is EN 1.5113 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 68 | |
| 170 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 190 |
| Elongation at Break, % | 7.5 | |
| 11 to 18 |
| Fatigue Strength, MPa | 95 | |
| 220 to 470 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 18 | |
| 72 |
| Shear Strength, MPa | 130 | |
| 360 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 580 to 900 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 320 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 400 |
| Melting Completion (Liquidus), °C | 600 | |
| 1450 |
| Melting Onset (Solidus), °C | 530 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 480 |
| Thermal Conductivity, W/m-K | 66 | |
| 52 |
| Thermal Expansion, µm/m-K | 26 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 91 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 2.0 |
| Density, g/cm3 | 1.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 1.4 |
| Embodied Energy, MJ/kg | 160 | |
| 19 |
| Embodied Water, L/kg | 980 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 | |
| 91 to 96 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 | |
| 270 to 1570 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 72 | |
| 24 |
| Strength to Weight: Axial, points | 38 | |
| 21 to 32 |
| Strength to Weight: Bending, points | 50 | |
| 20 to 27 |
| Thermal Diffusivity, mm2/s | 40 | |
| 14 |
| Thermal Shock Resistance, points | 13 | |
| 17 to 26 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 5.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.010 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 97 to 97.5 |
| Magnesium (Mg), % | 92.5 to 95.9 | |
| 0 |
| Manganese (Mn), % | 0.1 to 0.7 | |
| 1.6 to 1.8 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0.9 to 1.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 |