771.0 Aluminum vs. 355.0 Aluminum
Both 771.0 aluminum and 355.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 31 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 aluminum and the bottom bar is 355.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 to 120 | |
| 72 to 83 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 71 |
| Elongation at Break, % | 1.7 to 6.5 | |
| 1.5 to 2.6 |
| Fatigue Strength, MPa | 92 to 180 | |
| 55 to 70 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 370 | |
| 200 to 260 |
| Tensile Strength: Yield (Proof), MPa | 210 to 350 | |
| 150 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 630 | |
| 620 |
| Melting Onset (Solidus), °C | 620 | |
| 560 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.6 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 890 |
| Thermal Conductivity, W/m-K | 140 to 150 | |
| 150 to 170 |
| Thermal Expansion, µm/m-K | 24 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 38 to 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 82 | |
| 120 to 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1130 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 to 20 | |
| 2.7 to 5.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 900 | |
| 150 to 250 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 46 | |
| 51 |
| Strength to Weight: Axial, points | 23 to 35 | |
| 20 to 27 |
| Strength to Weight: Bending, points | 29 to 39 | |
| 28 to 33 |
| Thermal Diffusivity, mm2/s | 54 to 58 | |
| 60 to 69 |
| Thermal Shock Resistance, points | 11 to 16 | |
| 9.1 to 12 |
Alloy Composition
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| Aluminum (Al), % | 90.5 to 92.5 | |
| 90.3 to 94.1 |
| Chromium (Cr), % | 0.060 to 0.2 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 to 0.1 | |
| 1.0 to 1.5 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.6 |
| Magnesium (Mg), % | 0.8 to 1.0 | |
| 0.4 to 0.6 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.5 |
| Silicon (Si), % | 0 to 0.15 | |
| 4.5 to 5.5 |
| Titanium (Ti), % | 0.1 to 0.2 | |
| 0 to 0.25 |
| Zinc (Zn), % | 6.5 to 7.5 | |
| 0 to 0.35 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |