Type 2 Magnetic Alloy vs. 7049 Aluminum
Type 2 magnetic alloy belongs to the iron alloys classification, while 7049 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 Type 2 magnetic alloy and the bottom bar is 7049 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 70 |
| Elongation at Break, % | 2.0 to 38 | |
| 6.2 to 7.0 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 72 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 510 to 910 | |
| 510 to 530 |
| Tensile Strength: Yield (Proof), MPa | 260 to 870 | |
| 420 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 370 |
| Melting Completion (Liquidus), °C | 1420 | |
| 640 |
| Melting Onset (Solidus), °C | 1370 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 860 |
| Thermal Expansion, µm/m-K | 12 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.9 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.2 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 10 |
| Density, g/cm3 | 8.4 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 5.9 | |
| 8.1 |
| Embodied Energy, MJ/kg | 81 | |
| 140 |
| Embodied Water, L/kg | 140 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 160 | |
| 31 to 34 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 2010 | |
| 1270 to 1440 |
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 45 |
| Strength to Weight: Axial, points | 17 to 30 | |
| 46 to 47 |
| Strength to Weight: Bending, points | 17 to 25 | |
| 46 to 47 |
| Thermal Shock Resistance, points | 16 to 29 | |
| 22 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 85.7 to 89.5 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0.1 to 0.22 |
| Cobalt (Co), % | 0 to 0.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 1.2 to 1.9 |
| Iron (Fe), % | 48.2 to 53 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0 | |
| 2.0 to 2.9 |
| Manganese (Mn), % | 0 to 0.8 | |
| 0 to 0.2 |
| Molybdenum (Mo), % | 0 to 0.3 | |
| 0 |
| Nickel (Ni), % | 47 to 49 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.25 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 7.2 to 8.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |