QE22A Magnesium vs. EN 1.4542 Stainless Steel
QE22A magnesium belongs to the magnesium alloys classification, while EN 1.4542 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 1.4542 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 190 |
| Elongation at Break, % | 2.4 | |
| 5.7 to 20 |
| Fatigue Strength, MPa | 110 | |
| 370 to 640 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 17 | |
| 76 |
| Shear Strength, MPa | 150 | |
| 550 to 860 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 880 to 1470 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 580 to 1300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 250 | |
| 860 |
| Melting Completion (Liquidus), °C | 640 | |
| 1430 |
| Melting Onset (Solidus), °C | 570 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 470 |
| Thermal Conductivity, W/m-K | 110 | |
| 16 |
| Thermal Expansion, µm/m-K | 27 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 2.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 2.7 |
| Embodied Energy, MJ/kg | 220 | |
| 39 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 | |
| 62 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 | |
| 880 to 4360 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 60 | |
| 25 |
| Strength to Weight: Axial, points | 36 | |
| 31 to 52 |
| Strength to Weight: Bending, points | 46 | |
| 26 to 37 |
| Thermal Diffusivity, mm2/s | 59 | |
| 4.3 |
| Thermal Shock Resistance, points | 15 | |
| 29 to 49 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 15 to 17 |
| Copper (Cu), % | 0 to 0.1 | |
| 3.0 to 5.0 |
| Iron (Fe), % | 0 | |
| 69.6 to 79 |
| Magnesium (Mg), % | 93.1 to 95.8 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.6 |
| Nickel (Ni), % | 0 to 0.010 | |
| 3.0 to 5.0 |
| Niobium (Nb), % | 0 | |
| 0 to 0.45 |
| 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 |