EN 1.4568 Stainless Steel vs. EN-MC21110 Magnesium
EN 1.4568 stainless steel belongs to the iron alloys classification, while EN-MC21110 magnesium belongs to the magnesium 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 1.4568 stainless steel and the bottom bar is EN-MC21110 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 46 |
| Elongation at Break, % | 2.3 to 21 | |
| 2.8 to 6.7 |
| Fatigue Strength, MPa | 220 to 670 | |
| 75 to 78 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 18 |
| Shear Strength, MPa | 520 to 930 | |
| 120 to 160 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1620 | |
| 200 to 270 |
| Tensile Strength: Yield (Proof), MPa | 330 to 1490 | |
| 100 to 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 130 |
| Melting Completion (Liquidus), °C | 1420 | |
| 600 |
| Melting Onset (Solidus), °C | 1380 | |
| 500 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 990 |
| Thermal Conductivity, W/m-K | 16 | |
| 80 |
| Thermal Expansion, µm/m-K | 13 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 61 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 12 |
| Density, g/cm3 | 7.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 23 |
| Embodied Energy, MJ/kg | 40 | |
| 160 |
| Embodied Water, L/kg | 140 | |
| 990 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 to 140 | |
| 4.9 to 14 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 to 5710 | |
| 120 to 150 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 25 | |
| 69 |
| Strength to Weight: Axial, points | 30 to 58 | |
| 33 to 44 |
| Strength to Weight: Bending, points | 25 to 40 | |
| 45 to 54 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 47 |
| Thermal Shock Resistance, points | 23 to 46 | |
| 12 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0.7 to 1.5 | |
| 7.0 to 8.7 |
| Carbon (C), % | 0 to 0.090 | |
| 0 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 70.9 to 76.8 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 89.6 to 92.6 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.1 to 0.35 |
| Nickel (Ni), % | 6.5 to 7.8 | |
| 0 to 0.0020 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.35 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.010 |