QE22A Magnesium vs. SAE-AISI 1037 Steel
QE22A magnesium belongs to the magnesium alloys classification, while SAE-AISI 1037 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 SAE-AISI 1037 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 80 | |
| 160 to 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 190 |
| Elongation at Break, % | 2.4 | |
| 14 to 20 |
| Fatigue Strength, MPa | 110 | |
| 220 to 340 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 17 | |
| 73 |
| Shear Strength, MPa | 150 | |
| 360 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 580 to 640 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 320 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 250 | |
| 400 |
| Melting Completion (Liquidus), °C | 640 | |
| 1460 |
| Melting Onset (Solidus), °C | 570 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 470 |
| Thermal Conductivity, W/m-K | 110 | |
| 51 |
| Thermal Expansion, µm/m-K | 27 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 1.4 |
| Embodied Energy, MJ/kg | 220 | |
| 18 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 | |
| 83 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 | |
| 270 to 780 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 60 | |
| 24 |
| Strength to Weight: Axial, points | 36 | |
| 20 to 23 |
| Strength to Weight: Bending, points | 46 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 59 | |
| 14 |
| Thermal Shock Resistance, points | 15 | |
| 18 to 20 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.32 to 0.38 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 | |
| 98.5 to 99 |
| Magnesium (Mg), % | 93.1 to 95.8 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.7 to 1.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silver (Ag), % | 2.0 to 3.0 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Unspecified Rare Earths, % | 1.8 to 2.5 | |
| 0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |