EN-MC65220 Magnesium vs. EN 1.4123 Stainless Steel
EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.4123 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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-MC65220 magnesium and the bottom bar is EN 1.4123 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 80 | |
| 220 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 17 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 720 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 840 |
| Melting Completion (Liquidus), °C | 610 | |
| 1450 |
| Melting Onset (Solidus), °C | 550 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 980 | |
| 480 |
| Thermal Conductivity, W/m-K | 110 | |
| 23 |
| Thermal Expansion, µm/m-K | 26 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 10 |
| Density, g/cm3 | 1.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 4.2 |
| Embodied Energy, MJ/kg | 210 | |
| 62 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 62 | |
| 25 |
| Strength to Weight: Axial, points | 40 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 49 | |
| 23 to 25 |
| Thermal Diffusivity, mm2/s | 61 | |
| 6.3 |
| Thermal Shock Resistance, points | 17 | |
| 26 to 29 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.35 to 0.5 |
| Chromium (Cr), % | 0 | |
| 14 to 16.5 |
| Copper (Cu), % | 0.050 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 76.7 to 84.6 |
| Magnesium (Mg), % | 93.8 to 96.8 | |
| 0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 1.0 to 2.5 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 to 0.5 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 to 1.0 |
| Silver (Ag), % | 1.3 to 1.7 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Unspecified Rare Earths, % | 1.5 to 3.0 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0 to 1.5 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 |