A357.0 Aluminum vs. 7076 Aluminum
Both A357.0 aluminum and 7076 aluminum are aluminum alloys. Both are furnished in the T61 temper. They have a moderately high 90% of their average alloy composition in common.
For each property being compared, the top bar is A357.0 aluminum and the bottom bar is 7076 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 | |
| 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 3.7 | |
| 6.2 |
| Fatigue Strength, MPa | 100 | |
| 170 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 240 | |
| 310 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 500 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 610 | |
| 630 |
| Melting Onset (Solidus), °C | 560 | |
| 460 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 860 |
| Thermal Conductivity, W/m-K | 160 | |
| 140 |
| Thermal Expansion, µm/m-K | 21 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 2.6 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1110 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 | |
| 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 520 | |
| 1510 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 53 | |
| 45 |
| Strength to Weight: Axial, points | 38 | |
| 49 |
| Strength to Weight: Bending, points | 43 | |
| 48 |
| Thermal Diffusivity, mm2/s | 68 | |
| 54 |
| Thermal Shock Resistance, points | 17 | |
| 23 |
Alloy Composition
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| Aluminum (Al), % | 90.8 to 93 | |
| 86.9 to 91.2 |
| Beryllium (Be), % | 0.040 to 0.070 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0.3 to 1.0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.6 |
| Magnesium (Mg), % | 0.4 to 0.7 | |
| 1.2 to 2.0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.3 to 0.8 |
| Silicon (Si), % | 6.5 to 7.5 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0.040 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.1 | |
| 7.0 to 8.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |