EN 1.7386 Steel vs. EZ33A Magnesium
EN 1.7386 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 (4, 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 1.7386 steel and the bottom bar is EZ33A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 200 | |
| 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 44 |
| Elongation at Break, % | 18 to 21 | |
| 2.6 |
| Fatigue Strength, MPa | 170 to 290 | |
| 70 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 17 |
| Shear Strength, MPa | 340 to 410 | |
| 140 |
| Tensile Strength: Ultimate (UTS), MPa | 550 to 670 | |
| 150 |
| Tensile Strength: Yield (Proof), MPa | 240 to 440 | |
| 100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 600 | |
| 250 |
| Melting Completion (Liquidus), °C | 1450 | |
| 640 |
| Melting Onset (Solidus), °C | 1410 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 970 |
| Thermal Conductivity, W/m-K | 26 | |
| 100 |
| Thermal Expansion, µm/m-K | 13 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.0 | |
| 24 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 6.5 | |
| 25 |
| Density, g/cm3 | 7.8 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 25 |
| Embodied Energy, MJ/kg | 28 | |
| 190 |
| Embodied Water, L/kg | 88 | |
| 930 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 92 to 110 | |
| 3.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 490 | |
| 120 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 61 |
| Strength to Weight: Axial, points | 20 to 24 | |
| 22 |
| Strength to Weight: Bending, points | 19 to 22 | |
| 33 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 54 |
| Thermal Shock Resistance, points | 15 to 18 | |
| 9.2 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.040 | |
| 0 |
| Carbon (C), % | 0.080 to 0.15 | |
| 0 |
| Chromium (Cr), % | 8.0 to 10 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.1 |
| Iron (Fe), % | 86.8 to 90.5 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 91.5 to 95 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0.25 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 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 |