EN-MC21310 Magnesium vs. EN 1.1127 Steel
EN-MC21310 magnesium belongs to the magnesium alloys classification, while EN 1.1127 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-MC21310 magnesium and the bottom bar is EN 1.1127 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 60 | |
| 190 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 190 |
| Elongation at Break, % | 9.0 | |
| 14 to 25 |
| Fatigue Strength, MPa | 86 | |
| 280 to 370 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 17 | |
| 73 |
| Shear Strength, MPa | 120 | |
| 420 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 200 | |
| 660 to 790 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 410 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 360 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 400 |
| Melting Completion (Liquidus), °C | 600 | |
| 1460 |
| Melting Onset (Solidus), °C | 560 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 470 |
| Thermal Conductivity, W/m-K | 89 | |
| 49 |
| Thermal Expansion, µm/m-K | 26 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 2.1 |
| Density, g/cm3 | 1.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 1.5 |
| Embodied Energy, MJ/kg | 160 | |
| 19 |
| Embodied Water, L/kg | 970 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 | |
| 90 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
| 440 to 880 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 73 | |
| 24 |
| Strength to Weight: Axial, points | 34 | |
| 23 to 28 |
| Strength to Weight: Bending, points | 47 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 55 | |
| 13 |
| Thermal Shock Resistance, points | 12 | |
| 21 to 25 |
Alloy Composition
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| Aluminum (Al), % | 1.8 to 2.6 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.34 to 0.42 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Copper (Cu), % | 0 to 0.010 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 96.6 to 98.1 |
| Magnesium (Mg), % | 95.2 to 97.4 | |
| 0 |
| Manganese (Mn), % | 0.1 to 0.7 | |
| 1.4 to 1.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.7 to 1.2 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 |