Grade 350 Maraging Steel vs. QE22A Magnesium
Grade 350 maraging steel belongs to the iron alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (14, 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 grade 350 maraging steel and the bottom bar is QE22A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 750 to 2400 | |
| 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 44 |
| Elongation at Break, % | 4.1 to 18 | |
| 2.4 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 17 |
| Shear Strength, MPa | 710 to 1400 | |
| 150 |
| Tensile Strength: Ultimate (UTS), MPa | 1140 to 2420 | |
| 250 |
| Tensile Strength: Yield (Proof), MPa | 830 to 2300 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 340 |
| Melting Completion (Liquidus), °C | 1470 | |
| 640 |
| Melting Onset (Solidus), °C | 1420 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 970 |
| Thermal Expansion, µm/m-K | 12 | |
| 27 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 2.0 |
| Embodied Carbon, kg CO2/kg material | 5.6 | |
| 27 |
| Embodied Energy, MJ/kg | 74 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 190 | |
| 5.5 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 60 |
| Strength to Weight: Axial, points | 38 to 82 | |
| 36 |
| Strength to Weight: Bending, points | 29 to 49 | |
| 46 |
| Thermal Shock Resistance, points | 35 to 74 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 0.050 to 0.15 | |
| 0 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Cobalt (Co), % | 11.5 to 12.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 61.2 to 64.6 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 93.1 to 95.8 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 0 |
| Nickel (Ni), % | 18 to 19 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Silver (Ag), % | 0 | |
| 2.0 to 3.0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 1.3 to 1.6 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 1.8 to 2.5 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0.4 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |