EN 1.1122 Steel vs. EZ33A Magnesium
EN 1.1122 steel belongs to the iron alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.1122 steel and the bottom bar is EZ33A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 130 | |
| 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 44 |
| Elongation at Break, % | 12 to 21 | |
| 2.6 |
| Fatigue Strength, MPa | 170 to 260 | |
| 70 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 17 |
| Shear Strength, MPa | 240 to 290 | |
| 140 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 460 | |
| 150 |
| Tensile Strength: Yield (Proof), MPa | 240 to 370 | |
| 100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 250 |
| Melting Completion (Liquidus), °C | 1460 | |
| 640 |
| Melting Onset (Solidus), °C | 1420 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 970 |
| Thermal Conductivity, W/m-K | 51 | |
| 100 |
| Thermal Expansion, µm/m-K | 12 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 24 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 25 |
| Density, g/cm3 | 7.9 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 25 |
| Embodied Energy, MJ/kg | 18 | |
| 190 |
| Embodied Water, L/kg | 46 | |
| 930 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 to 89 | |
| 3.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 360 | |
| 120 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 61 |
| Strength to Weight: Axial, points | 12 to 16 | |
| 22 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 33 |
| Thermal Diffusivity, mm2/s | 14 | |
| 54 |
| Thermal Shock Resistance, points | 11 to 15 | |
| 9.2 |
Alloy Composition
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| Carbon (C), % | 0.080 to 0.12 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.1 |
| Iron (Fe), % | 98.7 to 99.62 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 91.5 to 95 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 2.5 to 4.0 |
| Zinc (Zn), % | 0 | |
| 2.0 to 3.1 |
| Zirconium (Zr), % | 0 | |
| 0.5 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |