Grade 200 Maraging Steel vs. 707.0 Aluminum
Grade 200 maraging steel belongs to the iron alloys classification, while 707.0 aluminum belongs to the aluminum 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 grade 200 maraging steel and the bottom bar is 707.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 70 |
| Elongation at Break, % | 9.1 to 18 | |
| 1.7 to 3.4 |
| Poisson's Ratio | 0.3 | |
| 0.33 |
| Shear Modulus, GPa | 74 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1500 | |
| 270 to 300 |
| Tensile Strength: Yield (Proof), MPa | 690 to 1490 | |
| 170 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 380 |
| Melting Completion (Liquidus), °C | 1460 | |
| 630 |
| Melting Onset (Solidus), °C | 1420 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 880 |
| Thermal Expansion, µm/m-K | 12 | |
| 24 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 9.5 |
| Density, g/cm3 | 8.2 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 4.5 | |
| 8.3 |
| Embodied Energy, MJ/kg | 59 | |
| 150 |
| Embodied Water, L/kg | 140 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 4.3 to 8.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1240 to 5740 | |
| 210 to 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 47 |
| Strength to Weight: Axial, points | 33 to 51 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 32 to 34 |
| Thermal Shock Resistance, points | 29 to 45 | |
| 12 to 13 |
Alloy Composition
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| Aluminum (Al), % | 0.050 to 0.15 | |
| 90.5 to 93.6 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.2 to 0.4 |
| Cobalt (Co), % | 8.0 to 9.0 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Iron (Fe), % | 67.8 to 71.8 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0 | |
| 1.8 to 2.4 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.4 to 0.6 |
| Molybdenum (Mo), % | 3.0 to 3.5 | |
| 0 |
| Nickel (Ni), % | 17 to 19 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.25 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 4.0 to 4.5 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.15 |