204.0-T6 Aluminum vs. 328.0-T6 Aluminum
Both 204.0-T6 aluminum and 328.0-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 204.0-T6 aluminum and the bottom bar is 328.0-T6 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 | |
| 82 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 72 |
| Elongation at Break, % | 5.7 | |
| 2.1 |
| Fatigue Strength, MPa | 63 | |
| 55 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 180 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 510 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 650 | |
| 620 |
| Melting Onset (Solidus), °C | 580 | |
| 560 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 890 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 19 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 10 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 7.8 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1150 | |
| 1070 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 | |
| 5.0 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 200 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 46 | |
| 51 |
| Strength to Weight: Axial, points | 21 | |
| 28 |
| Strength to Weight: Bending, points | 28 | |
| 34 |
| Thermal Diffusivity, mm2/s | 46 | |
| 50 |
| Thermal Shock Resistance, points | 12 | |
| 12 |
Alloy Composition
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| Aluminum (Al), % | 93.4 to 95.5 | |
| 84.5 to 91.1 |
| Chromium (Cr), % | 0 | |
| 0 to 0.35 |
| Copper (Cu), % | 4.2 to 5.0 | |
| 1.0 to 2.0 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 0.15 to 0.35 | |
| 0.2 to 0.6 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.2 to 0.6 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 to 0.2 | |
| 7.5 to 8.5 |
| Tin (Sn), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 1.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |