EN 1.3519 Steel vs. EQ21A Magnesium
EN 1.3519 steel belongs to the iron alloys classification, while EQ21A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 1.3519 steel and the bottom bar is EQ21A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 220 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 44 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 17 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 730 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 160 |
| Melting Completion (Liquidus), °C | 1440 | |
| 640 |
| Melting Onset (Solidus), °C | 1400 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 980 |
| Thermal Conductivity, W/m-K | 43 | |
| 110 |
| Thermal Expansion, µm/m-K | 13 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.6 | |
| 80 |
| Density, g/cm3 | 7.8 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 27 |
| Embodied Energy, MJ/kg | 21 | |
| 210 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 63 |
| Strength to Weight: Axial, points | 22 to 26 | |
| 37 |
| Strength to Weight: Bending, points | 21 to 23 | |
| 47 |
| Thermal Diffusivity, mm2/s | 12 | |
| 62 |
| Thermal Shock Resistance, points | 18 to 22 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0.93 to 1.1 | |
| 0 |
| Chromium (Cr), % | 1.4 to 1.7 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0.050 to 0.1 |
| Iron (Fe), % | 95.4 to 96.8 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 93.9 to 96.8 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 to 0.0015 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0.45 to 0.75 | |
| 0 |
| Silver (Ag), % | 0 | |
| 1.3 to 1.7 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 1.5 to 3.0 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |