1070A-H112 Aluminum vs. 3203-H112 Aluminum
Both 1070A-H112 aluminum and 3203-H112 aluminum are aluminum alloys. Both are furnished in the H112 temper. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is 1070A-H112 aluminum and the bottom bar is 3203-H112 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 70 |
| Elongation at Break, % | 24 | |
| 9.1 |
| Fatigue Strength, MPa | 23 | |
| 64 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 48 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 75 | |
| 140 |
| Tensile Strength: Yield (Proof), MPa | 24 | |
| 78 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 640 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 230 | |
| 170 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 60 | |
| 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 200 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 9.0 |
| Density, g/cm3 | 2.7 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1200 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4.2 | |
| 44 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 7.7 | |
| 14 |
| Strength to Weight: Bending, points | 15 | |
| 21 |
| Thermal Diffusivity, mm2/s | 94 | |
| 70 |
| Thermal Shock Resistance, points | 3.4 | |
| 6.0 |
Alloy Composition
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| Aluminum (Al), % | 99.7 to 100 | |
| 96.9 to 99 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 to 0.030 | |
| 0 |
| Manganese (Mn), % | 0 to 0.030 | |
| 1.0 to 1.5 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.6 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 to 0.070 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |