4007 Aluminum vs. 3103 Aluminum
Both 4007 aluminum and 3103 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is 4007 aluminum and the bottom bar is 3103 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 32 to 44 | |
| 27 to 62 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 5.1 to 23 | |
| 1.1 to 28 |
| Fatigue Strength, MPa | 46 to 88 | |
| 38 to 83 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 80 to 90 | |
| 68 to 130 |
| Tensile Strength: Ultimate (UTS), MPa | 130 to 160 | |
| 100 to 220 |
| Tensile Strength: Yield (Proof), MPa | 50 to 120 | |
| 39 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 190 |
| Melting Completion (Liquidus), °C | 650 | |
| 660 |
| Melting Onset (Solidus), °C | 590 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 900 |
| Thermal Conductivity, W/m-K | 170 | |
| 160 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 42 | |
| 42 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.8 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1160 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.4 to 23 | |
| 2.4 to 24 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 18 to 110 | |
| 11 to 280 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 49 | |
| 50 |
| Strength to Weight: Axial, points | 12 to 15 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 20 to 23 | |
| 18 to 30 |
| Thermal Diffusivity, mm2/s | 67 | |
| 64 |
| Thermal Shock Resistance, points | 5.5 to 6.7 | |
| 4.6 to 9.9 |
Alloy Composition
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| Aluminum (Al), % | 94.1 to 97.6 | |
| 96.3 to 99.1 |
| Chromium (Cr), % | 0.050 to 0.25 | |
| 0 to 0.1 |
| Cobalt (Co), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.1 |
| Iron (Fe), % | 0.4 to 1.0 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 to 0.2 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0.9 to 1.5 |
| Nickel (Ni), % | 0.15 to 0.7 | |
| 0 |
| Silicon (Si), % | 1.0 to 1.7 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |