5082-H38 Aluminum vs. 5182-H38 Aluminum
Both 5082-H38 aluminum and 5182-H38 aluminum are aluminum alloys. Both are furnished in the H38 temper. Their average alloy composition is basically identical.
For each property being compared, the top bar is 5082-H38 aluminum and the bottom bar is 5182-H38 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 67 | |
| 68 | 
| Elongation at Break, % | 1.1 | |
| 1.1 | 
| Fatigue Strength, MPa | 130 | |
| 130 | 
| Poisson's Ratio | 0.33 | |
| 0.33 | 
| Shear Modulus, GPa | 25 | |
| 25 | 
| Shear Strength, MPa | 210 | |
| 220 | 
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 390 | 
| Tensile Strength: Yield (Proof), MPa | 300 | |
| 310 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 | 
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 | 
| Melting Completion (Liquidus), °C | 640 | |
| 640 | 
| Melting Onset (Solidus), °C | 560 | |
| 590 | 
| Specific Heat Capacity, J/kg-K | 910 | |
| 900 | 
| Thermal Conductivity, W/m-K | 130 | |
| 130 | 
| Thermal Expansion, µm/m-K | 24 | |
| 24 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 32 | |
| 28 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 94 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 | 
| Density, g/cm3 | 2.7 | |
| 2.7 | 
| Embodied Carbon, kg CO2/kg material | 8.9 | |
| 8.9 | 
| Embodied Energy, MJ/kg | 150 | |
| 150 | 
| Embodied Water, L/kg | 1180 | |
| 1180 | 
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.0 | |
| 4.1 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 670 | |
| 710 | 
| Stiffness to Weight: Axial, points | 14 | |
| 14 | 
| Stiffness to Weight: Bending, points | 51 | |
| 51 | 
| Strength to Weight: Axial, points | 39 | |
| 40 | 
| Strength to Weight: Bending, points | 43 | |
| 44 | 
| Thermal Diffusivity, mm2/s | 54 | |
| 53 | 
| Thermal Shock Resistance, points | 17 | |
| 17 | 
Alloy Composition
| Aluminum (Al), % | 93.5 to 96 | |
| 93.2 to 95.8 | 
| Chromium (Cr), % | 0 to 0.15 | |
| 0 to 0.1 | 
| Copper (Cu), % | 0 to 0.15 | |
| 0 to 0.15 | 
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.35 | 
| Magnesium (Mg), % | 4.0 to 5.0 | |
| 4.0 to 5.0 | 
| Manganese (Mn), % | 0 to 0.15 | |
| 0.2 to 0.5 | 
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.2 | 
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.1 | 
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.25 | 
| Residuals, % | 0 | |
| 0 to 0.15 |