ZK61A Magnesium vs. Grade 350 Maraging Steel
ZK61A magnesium belongs to the magnesium alloys classification, while grade 350 maraging steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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 ZK61A magnesium and the bottom bar is grade 350 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 190 |
| Elongation at Break, % | 5.8 to 7.1 | |
| 4.1 to 18 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 18 | |
| 75 |
| Shear Strength, MPa | 170 to 180 | |
| 710 to 1400 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 310 | |
| 1140 to 2420 |
| Tensile Strength: Yield (Proof), MPa | 180 to 200 | |
| 830 to 2300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 270 |
| Melting Completion (Liquidus), °C | 640 | |
| 1470 |
| Melting Onset (Solidus), °C | 530 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 450 |
| Thermal Expansion, µm/m-K | 27 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 39 |
| Density, g/cm3 | 1.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 5.6 |
| Embodied Energy, MJ/kg | 160 | |
| 74 |
| Embodied Water, L/kg | 940 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 19 | |
| 98 to 190 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 62 | |
| 23 |
| Strength to Weight: Axial, points | 42 to 45 | |
| 38 to 82 |
| Strength to Weight: Bending, points | 50 to 53 | |
| 29 to 49 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 35 to 74 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.050 to 0.15 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Calcium (Ca), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Cobalt (Co), % | 0 | |
| 11.5 to 12.5 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 | |
| 61.2 to 64.6 |
| Magnesium (Mg), % | 92.1 to 93.9 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 4.6 to 5.2 |
| Nickel (Ni), % | 0 to 0.010 | |
| 18 to 19 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 1.3 to 1.6 |
| Zinc (Zn), % | 5.5 to 6.5 | |
| 0 |
| Zirconium (Zr), % | 0.6 to 1.0 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.3 | |
| 0 |