707.0-T1 Aluminum vs. 712.0-T1 Aluminum
Both 707.0-T1 aluminum and 712.0-T1 aluminum are aluminum alloys. Both are furnished in the T1 temper. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is 707.0-T1 aluminum and the bottom bar is 712.0-T1 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 | |
| 75 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 3.4 | |
| 4.5 |
| Fatigue Strength, MPa | 130 | |
| 140 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 290 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 190 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 600 | |
| 610 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.6 | |
| 1.6 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 870 |
| Thermal Conductivity, W/m-K | 150 | |
| 160 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.9 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1140 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 8.6 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 270 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 46 |
| Strength to Weight: Axial, points | 28 | |
| 25 |
| Strength to Weight: Bending, points | 34 | |
| 31 |
| Thermal Diffusivity, mm2/s | 58 | |
| 62 |
| Thermal Shock Resistance, points | 12 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 90.5 to 93.6 | |
| 90.7 to 94 |
| Chromium (Cr), % | 0.2 to 0.4 | |
| 0.4 to 0.6 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.8 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 1.8 to 2.4 | |
| 0.5 to 0.65 |
| Manganese (Mn), % | 0.4 to 0.6 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0.15 to 0.25 |
| Zinc (Zn), % | 4.0 to 4.5 | |
| 5.0 to 6.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.2 |