7050 Aluminum vs. R60901 Alloy
7050 aluminum belongs to the aluminum alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 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 7050 aluminum and the bottom bar is R60901 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 98 |
| Elongation at Break, % | 2.2 to 12 | |
| 17 to 22 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 26 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 570 | |
| 500 to 580 |
| Tensile Strength: Yield (Proof), MPa | 390 to 500 | |
| 350 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 270 |
| Thermal Conductivity, W/m-K | 140 | |
| 17 |
| Thermal Expansion, µm/m-K | 24 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.1 | |
| 6.6 |
| Embodied Water, L/kg | 1120 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 55 | |
| 88 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 to 1760 | |
| 640 to 760 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 45 | |
| 23 |
| Strength to Weight: Axial, points | 45 to 51 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 45 to 50 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 54 | |
| 9.7 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 58 to 67 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.1 | |
| 0 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0 |
| Copper (Cu), % | 2.0 to 2.6 | |
| 0 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.4 to 2.8 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 |
| Titanium (Ti), % | 0 to 0.060 | |
| 0 |
| Zinc (Zn), % | 5.7 to 6.7 | |
| 0 |
| Zirconium (Zr), % | 0.080 to 0.15 | |
| 96.8 to 97.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.29 |