295.0-T7 Aluminum vs. 707.0-T7 Aluminum
Both 295.0-T7 aluminum and 707.0-T7 aluminum are aluminum alloys. Both are furnished in the T7 temper. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is 295.0-T7 aluminum and the bottom bar is 707.0-T7 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 70 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 3.4 | |
| 1.7 |
| Fatigue Strength, MPa | 44 | |
| 83 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 300 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 630 |
| Melting Onset (Solidus), °C | 530 | |
| 600 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.6 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 880 |
| Thermal Conductivity, W/m-K | 140 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1140 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.5 | |
| 4.7 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 | |
| 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 47 |
| Strength to Weight: Axial, points | 21 | |
| 29 |
| Strength to Weight: Bending, points | 28 | |
| 34 |
| Thermal Diffusivity, mm2/s | 54 | |
| 58 |
| Thermal Shock Resistance, points | 9.9 | |
| 13 |
Alloy Composition
| Aluminum (Al), % | 91.4 to 95.3 | |
| 90.5 to 93.6 |
| Chromium (Cr), % | 0 | |
| 0.2 to 0.4 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0 to 0.030 | |
| 1.8 to 2.4 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.4 to 0.6 |
| Silicon (Si), % | 0.7 to 1.5 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.35 | |
| 4.0 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.15 |