EN-MC65120 Magnesium vs. EN 1.4401 Stainless Steel
EN-MC65120 magnesium belongs to the magnesium alloys classification, while EN 1.4401 stainless steel belongs to the iron 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-MC65120 magnesium and the bottom bar is EN 1.4401 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 55 | |
| 190 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 200 |
| Elongation at Break, % | 3.1 | |
| 14 to 40 |
| Fatigue Strength, MPa | 80 | |
| 200 to 320 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 17 | |
| 78 |
| Shear Strength, MPa | 92 | |
| 410 to 550 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 600 to 900 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 230 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 950 |
| Melting Completion (Liquidus), °C | 590 | |
| 1440 |
| Melting Onset (Solidus), °C | 520 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 470 |
| Thermal Conductivity, W/m-K | 100 | |
| 15 |
| Thermal Expansion, µm/m-K | 26 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 19 |
| Density, g/cm3 | 1.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 25 | |
| 3.8 |
| Embodied Energy, MJ/kg | 190 | |
| 52 |
| Embodied Water, L/kg | 930 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 | |
| 110 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 130 to 800 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 62 | |
| 25 |
| Strength to Weight: Axial, points | 23 | |
| 21 to 32 |
| Strength to Weight: Bending, points | 34 | |
| 20 to 26 |
| Thermal Diffusivity, mm2/s | 56 | |
| 4.0 |
| Thermal Shock Resistance, points | 9.8 | |
| 13 to 20 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 16.5 to 18.5 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 62.8 to 71.5 |
| Magnesium (Mg), % | 91.8 to 95.1 | |
| 0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 2.5 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 10 to 13 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Unspecified Rare Earths, % | 2.5 to 4.0 | |
| 0 |
| Zinc (Zn), % | 2.0 to 3.0 | |
| 0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 |