EN-MC21120 Magnesium vs. EN 1.4662 Stainless Steel
EN-MC21120 magnesium belongs to the magnesium alloys classification, while EN 1.4662 stainless steel belongs to the iron alloys. There are 30 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-MC21120 magnesium and the bottom bar is EN 1.4662 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 200 |
| Elongation at Break, % | 2.2 to 6.7 | |
| 28 |
| Fatigue Strength, MPa | 84 to 96 | |
| 430 to 450 |
| Poisson's Ratio | 0.29 | |
| 0.27 |
| Shear Modulus, GPa | 18 | |
| 79 |
| Shear Strength, MPa | 110 to 160 | |
| 520 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 270 | |
| 810 to 830 |
| Tensile Strength: Yield (Proof), MPa | 130 to 170 | |
| 580 to 620 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 1090 |
| Melting Completion (Liquidus), °C | 600 | |
| 1430 |
| Melting Onset (Solidus), °C | 490 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 480 |
| Thermal Conductivity, W/m-K | 76 | |
| 15 |
| Thermal Expansion, µm/m-K | 26 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 59 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 16 |
| Density, g/cm3 | 1.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 3.2 |
| Embodied Energy, MJ/kg | 160 | |
| 45 |
| Embodied Water, L/kg | 990 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.0 to 15 | |
| 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 320 | |
| 840 to 940 |
| Stiffness to Weight: Axial, points | 15 | |
| 15 |
| Stiffness to Weight: Bending, points | 69 | |
| 25 |
| Strength to Weight: Axial, points | 31 to 43 | |
| 29 to 30 |
| Strength to Weight: Bending, points | 43 to 53 | |
| 25 |
| Thermal Diffusivity, mm2/s | 44 | |
| 3.9 |
| Thermal Shock Resistance, points | 11 to 16 | |
| 22 |
Alloy Composition
| Aluminum (Al), % | 8.3 to 9.7 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 23 to 25 |
| Copper (Cu), % | 0 to 0.030 | |
| 0.1 to 0.8 |
| Iron (Fe), % | 0 to 0.0050 | |
| 62.6 to 70.2 |
| Magnesium (Mg), % | 88.6 to 91.3 | |
| 0 |
| Manganese (Mn), % | 0.1 to 0.5 | |
| 2.5 to 4.0 |
| Molybdenum (Mo), % | 0 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 3.0 to 4.5 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.0050 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 |