771.0-T51 Aluminum vs. A356.0-T51 Aluminum
Both 771.0-T51 aluminum and A356.0-T51 aluminum are aluminum alloys. Both are furnished in the T51 temper. They have a moderately high 92% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 771.0-T51 aluminum and the bottom bar is A356.0-T51 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 3.4 | |
| 3.0 |
| Fatigue Strength, MPa | 92 | |
| 53 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 180 |
| Tensile Strength: Yield (Proof), MPa | 210 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 500 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 610 |
| Melting Onset (Solidus), °C | 620 | |
| 570 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.6 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 900 |
| Thermal Conductivity, W/m-K | 140 | |
| 150 |
| Thermal Expansion, µm/m-K | 24 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 82 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1130 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.9 | |
| 4.8 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 320 | |
| 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 46 | |
| 53 |
| Strength to Weight: Axial, points | 23 | |
| 19 |
| Strength to Weight: Bending, points | 29 | |
| 27 |
| Thermal Diffusivity, mm2/s | 54 | |
| 64 |
| Thermal Shock Resistance, points | 11 | |
| 8.5 |
Alloy Composition
| Aluminum (Al), % | 90.5 to 92.5 | |
| 91.1 to 93.3 |
| Chromium (Cr), % | 0.060 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0.8 to 1.0 | |
| 0.25 to 0.45 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.15 | |
| 6.5 to 7.5 |
| Titanium (Ti), % | 0.1 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 6.5 to 7.5 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |