1070 Aluminum vs. 1230A Aluminum
Both 1070 aluminum and 1230A aluminum are aluminum alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is 1070 aluminum and the bottom bar is 1230A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 69 |
| Elongation at Break, % | 4.5 to 39 | |
| 4.5 to 34 |
| Fatigue Strength, MPa | 22 to 49 | |
| 35 to 74 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 48 to 79 | |
| 59 to 99 |
| Tensile Strength: Ultimate (UTS), MPa | 73 to 140 | |
| 89 to 170 |
| Tensile Strength: Yield (Proof), MPa | 17 to 120 | |
| 29 to 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 640 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 230 | |
| 230 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 61 | |
| 60 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 200 | |
| 200 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.0 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.2 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 1200 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.8 to 21 | |
| 6.4 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2.1 to 110 | |
| 5.9 to 150 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 7.5 to 14 | |
| 9.1 to 17 |
| Strength to Weight: Bending, points | 14 to 22 | |
| 16 to 25 |
| Thermal Diffusivity, mm2/s | 94 | |
| 93 |
| Thermal Shock Resistance, points | 3.3 to 6.1 | |
| 4.0 to 7.6 |
Alloy Composition
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| Aluminum (Al), % | 99.7 to 100 | |
| 99.3 to 100 |
| Copper (Cu), % | 0 to 0.040 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 to 0.030 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.030 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.7 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 to 0.040 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.030 | |
| 0 |