319.0-T5 Aluminum vs. 712.0-T5 Aluminum
Both 319.0-T5 aluminum and 712.0-T5 aluminum are aluminum alloys. Both are furnished in the T5 temper. They have a moderately high 90% of their average alloy composition in common.
For each property being compared, the top bar is 319.0-T5 aluminum and the bottom bar is 712.0-T5 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 80 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 70 |
| Elongation at Break, % | 1.8 | |
| 4.5 |
| Fatigue Strength, MPa | 76 | |
| 180 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Shear Strength, MPa | 170 | |
| 180 |
| Tensile Strength: Ultimate (UTS), MPa | 200 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 180 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 480 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 190 |
| Melting Completion (Liquidus), °C | 600 | |
| 640 |
| Melting Onset (Solidus), °C | 540 | |
| 610 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.6 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 870 |
| Thermal Conductivity, W/m-K | 110 | |
| 160 |
| Thermal Expansion, µm/m-K | 22 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 84 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 2.9 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 7.7 | |
| 8.0 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 1080 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.4 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 270 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 48 | |
| 46 |
| Strength to Weight: Axial, points | 19 | |
| 25 |
| Strength to Weight: Bending, points | 27 | |
| 31 |
| Thermal Diffusivity, mm2/s | 44 | |
| 62 |
| Thermal Shock Resistance, points | 9.2 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 85.8 to 91.5 | |
| 90.7 to 94 |
| Chromium (Cr), % | 0 | |
| 0.4 to 0.6 |
| Copper (Cu), % | 3.0 to 4.0 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 0.5 to 0.65 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.35 | |
| 0 |
| Silicon (Si), % | 5.5 to 6.5 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0.15 to 0.25 |
| Zinc (Zn), % | 0 to 1.0 | |
| 5.0 to 6.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |