Grade 300 Maraging Steel vs. ISO-WD32350 Magnesium
Grade 300 maraging steel belongs to the iron alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 300 maraging steel and the bottom bar is ISO-WD32350 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 45 |
| Elongation at Break, % | 6.5 to 18 | |
| 5.7 to 10 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 18 |
| Shear Strength, MPa | 640 to 1190 | |
| 150 to 170 |
| Tensile Strength: Ultimate (UTS), MPa | 1030 to 2030 | |
| 250 to 290 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1990 | |
| 140 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 340 |
| Melting Completion (Liquidus), °C | 1480 | |
| 600 |
| Melting Onset (Solidus), °C | 1430 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 990 |
| Thermal Expansion, µm/m-K | 12 | |
| 25 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 12 |
| Density, g/cm3 | 8.2 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 5.1 | |
| 23 |
| Embodied Energy, MJ/kg | 68 | |
| 160 |
| Embodied Water, L/kg | 150 | |
| 960 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 14 to 23 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 23 | |
| 68 |
| Strength to Weight: Axial, points | 35 to 68 | |
| 39 to 46 |
| Strength to Weight: Bending, points | 28 to 43 | |
| 50 to 55 |
| Thermal Shock Resistance, points | 31 to 62 | |
| 16 to 18 |
Alloy Composition
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| Aluminum (Al), % | 0.050 to 0.15 | |
| 0 to 0.1 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Cobalt (Co), % | 8.5 to 9.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 65 to 68.4 | |
| 0 to 0.060 |
| Magnesium (Mg), % | 0 | |
| 95.7 to 97.7 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.6 to 1.3 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 0 |
| Nickel (Ni), % | 18 to 19 | |
| 0 to 0.0050 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0.5 to 0.8 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 1.8 to 2.3 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.3 |