6351 Aluminum vs. 6182 Aluminum
Both 6351 aluminum and 6182 aluminum are aluminum alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is 6351 aluminum and the bottom bar is 6182 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 70 |
| Elongation at Break, % | 7.8 to 18 | |
| 6.8 to 13 |
| Fatigue Strength, MPa | 79 to 130 | |
| 63 to 99 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 84 to 200 | |
| 140 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 140 to 310 | |
| 230 to 320 |
| Tensile Strength: Yield (Proof), MPa | 95 to 270 | |
| 130 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 190 |
| Melting Completion (Liquidus), °C | 650 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 180 | |
| 160 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 46 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 150 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.4 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 38 | |
| 21 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 65 to 540 | |
| 110 to 520 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 14 to 32 | |
| 23 to 32 |
| Strength to Weight: Bending, points | 22 to 38 | |
| 30 to 38 |
| Thermal Diffusivity, mm2/s | 72 | |
| 65 |
| Thermal Shock Resistance, points | 6.1 to 14 | |
| 10 to 14 |
Alloy Composition
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| Aluminum (Al), % | 96 to 98.5 | |
| 95 to 97.9 |
| Chromium (Cr), % | 0 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0.4 to 0.8 | |
| 0.7 to 1.2 |
| Manganese (Mn), % | 0.4 to 0.8 | |
| 0.5 to 1.0 |
| Silicon (Si), % | 0.7 to 1.3 | |
| 0.9 to 1.3 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 | |
| 0.050 to 0.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |