QE22A Magnesium vs. EN 1.4568 Stainless Steel
QE22A magnesium belongs to the magnesium alloys classification, while EN 1.4568 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, 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 QE22A magnesium and the bottom bar is EN 1.4568 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 200 |
| Elongation at Break, % | 2.4 | |
| 2.3 to 21 |
| Fatigue Strength, MPa | 110 | |
| 220 to 670 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 17 | |
| 76 |
| Shear Strength, MPa | 150 | |
| 520 to 930 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 830 to 1620 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 330 to 1490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 250 | |
| 890 |
| Melting Completion (Liquidus), °C | 640 | |
| 1420 |
| Melting Onset (Solidus), °C | 570 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 480 |
| Thermal Conductivity, W/m-K | 110 | |
| 16 |
| Thermal Expansion, µm/m-K | 27 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 2.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.0 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 2.8 |
| Embodied Energy, MJ/kg | 220 | |
| 40 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 | |
| 36 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 | |
| 290 to 5710 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 60 | |
| 25 |
| Strength to Weight: Axial, points | 36 | |
| 30 to 58 |
| Strength to Weight: Bending, points | 46 | |
| 25 to 40 |
| Thermal Diffusivity, mm2/s | 59 | |
| 4.3 |
| Thermal Shock Resistance, points | 15 | |
| 23 to 46 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.7 to 1.5 |
| Carbon (C), % | 0 | |
| 0 to 0.090 |
| Chromium (Cr), % | 0 | |
| 16 to 18 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 | |
| 70.9 to 76.8 |
| Magnesium (Mg), % | 93.1 to 95.8 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 6.5 to 7.8 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.7 |
| Silver (Ag), % | 2.0 to 3.0 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Unspecified Rare Earths, % | 1.8 to 2.5 | |
| 0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |