7049A Aluminum vs. 50Cr-50Ni-Cb Alloy
7049A aluminum belongs to the aluminum alloys classification, while 50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 7049A aluminum and the bottom bar is 50Cr-50Ni-Cb alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 210 |
| Elongation at Break, % | 5.0 to 5.7 | |
| 5.6 |
| Poisson's Ratio | 0.32 | |
| 0.26 |
| Shear Modulus, GPa | 27 | |
| 84 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 590 | |
| 620 |
| Tensile Strength: Yield (Proof), MPa | 500 to 530 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 350 |
| Specific Heat Capacity, J/kg-K | 850 | |
| 480 |
| Thermal Expansion, µm/m-K | 24 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 60 |
| Density, g/cm3 | 3.1 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 9.2 |
| Embodied Energy, MJ/kg | 150 | |
| 130 |
| Embodied Water, L/kg | 1100 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 28 to 32 | |
| 30 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1800 to 1990 | |
| 370 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 44 | |
| 25 |
| Strength to Weight: Axial, points | 52 to 53 | |
| 21 |
| Strength to Weight: Bending, points | 50 to 51 | |
| 20 |
| Thermal Shock Resistance, points | 25 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 84.6 to 89.5 | |
| 0 to 0.25 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0.050 to 0.25 | |
| 47 to 52 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 2.1 to 3.1 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 | |
| 43.3 to 51.6 |
| Niobium (Nb), % | 0 | |
| 1.4 to 1.7 |
| Nitrogen (N), % | 0 | |
| 0 to 0.16 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.5 |
| Zinc (Zn), % | 7.2 to 8.4 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |