3103 Aluminum vs. 2025 Aluminum
Both 3103 aluminum and 2025 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.
For each property being compared, the top bar is 3103 aluminum and the bottom bar is 2025 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 27 to 62 | |
| 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 72 |
| Elongation at Break, % | 1.1 to 28 | |
| 15 |
| Fatigue Strength, MPa | 38 to 83 | |
| 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 68 to 130 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 100 to 220 | |
| 400 |
| Tensile Strength: Yield (Proof), MPa | 39 to 200 | |
| 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 190 |
| Melting Completion (Liquidus), °C | 660 | |
| 640 |
| Melting Onset (Solidus), °C | 640 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 870 |
| Thermal Conductivity, W/m-K | 160 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 42 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 7.9 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.4 to 24 | |
| 55 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 11 to 280 | |
| 450 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 46 |
| Strength to Weight: Axial, points | 10 to 22 | |
| 37 |
| Strength to Weight: Bending, points | 18 to 30 | |
| 40 |
| Thermal Diffusivity, mm2/s | 64 | |
| 58 |
| Thermal Shock Resistance, points | 4.6 to 9.9 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 96.3 to 99.1 | |
| 90.9 to 95.2 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.1 | |
| 3.9 to 5.0 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 0 to 0.3 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.9 to 1.5 | |
| 0.4 to 1.2 |
| Silicon (Si), % | 0 to 0.5 | |
| 0.5 to 1.2 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |