355.0 Aluminum vs. 705.0 Aluminum
Both 355.0 aluminum and 705.0 aluminum are aluminum alloys. They have a moderately high 94% 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 355.0 aluminum and the bottom bar is 705.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 72 to 83 | |
| 62 to 65 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 69 |
| Elongation at Break, % | 1.5 to 2.6 | |
| 8.4 to 10 |
| Fatigue Strength, MPa | 55 to 70 | |
| 63 to 98 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 260 | |
| 240 to 260 |
| Tensile Strength: Yield (Proof), MPa | 150 to 190 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 620 | |
| 640 |
| Melting Onset (Solidus), °C | 560 | |
| 610 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.6 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 890 |
| Thermal Conductivity, W/m-K | 150 to 170 | |
| 140 |
| Thermal Expansion, µm/m-K | 22 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 to 43 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 to 140 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.4 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.7 to 5.9 | |
| 18 to 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 250 | |
| 120 to 130 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 51 | |
| 49 |
| Strength to Weight: Axial, points | 20 to 27 | |
| 24 to 26 |
| Strength to Weight: Bending, points | 28 to 33 | |
| 31 to 32 |
| Thermal Diffusivity, mm2/s | 60 to 69 | |
| 55 |
| Thermal Shock Resistance, points | 9.1 to 12 | |
| 11 |
Alloy Composition
| Aluminum (Al), % | 90.3 to 94.1 | |
| 92.3 to 98.6 |
| Chromium (Cr), % | 0 to 0.25 | |
| 0 to 0.4 |
| Copper (Cu), % | 1.0 to 1.5 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0.4 to 0.6 | |
| 1.4 to 1.8 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.6 |
| Silicon (Si), % | 4.5 to 5.5 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.35 | |
| 0 to 3.3 |
| Residuals, % | 0 | |
| 0 to 0.15 |