EN-MC21110 Magnesium vs. S35000 Stainless Steel
EN-MC21110 magnesium belongs to the magnesium alloys classification, while S35000 stainless steel belongs to the iron alloys. There are 30 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-MC21110 magnesium and the bottom bar is S35000 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 200 |
| Elongation at Break, % | 2.8 to 6.7 | |
| 2.3 to 14 |
| Fatigue Strength, MPa | 75 to 78 | |
| 380 to 520 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 18 | |
| 78 |
| Shear Strength, MPa | 120 to 160 | |
| 740 to 950 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 270 | |
| 1300 to 1570 |
| Tensile Strength: Yield (Proof), MPa | 100 to 120 | |
| 660 to 1160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 900 |
| Melting Completion (Liquidus), °C | 600 | |
| 1460 |
| Melting Onset (Solidus), °C | 500 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 470 |
| Thermal Conductivity, W/m-K | 80 | |
| 16 |
| Thermal Expansion, µm/m-K | 26 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 61 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 14 |
| Density, g/cm3 | 1.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 3.2 |
| Embodied Energy, MJ/kg | 160 | |
| 44 |
| Embodied Water, L/kg | 990 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.9 to 14 | |
| 28 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 150 | |
| 1070 to 3360 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 69 | |
| 25 |
| Strength to Weight: Axial, points | 33 to 44 | |
| 46 to 56 |
| Strength to Weight: Bending, points | 45 to 54 | |
| 34 to 38 |
| Thermal Diffusivity, mm2/s | 47 | |
| 4.4 |
| Thermal Shock Resistance, points | 12 to 16 | |
| 42 to 51 |
Alloy Composition
| Aluminum (Al), % | 7.0 to 8.7 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.070 to 0.11 |
| Chromium (Cr), % | 0 | |
| 16 to 17 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 72.7 to 76.9 |
| Magnesium (Mg), % | 89.6 to 92.6 | |
| 0 |
| Manganese (Mn), % | 0.1 to 0.35 | |
| 0.5 to 1.3 |
| Molybdenum (Mo), % | 0 | |
| 2.5 to 3.2 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0.070 to 0.13 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 |