204.0 Aluminum vs. 356.0 Aluminum
Both 204.0 aluminum and 356.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 204.0 aluminum and the bottom bar is 356.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 to 120 | |
| 55 to 75 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 5.7 to 7.8 | |
| 2.0 to 3.8 |
| Fatigue Strength, MPa | 63 to 77 | |
| 55 to 75 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 230 to 340 | |
| 160 to 240 |
| Tensile Strength: Yield (Proof), MPa | 180 to 220 | |
| 100 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 500 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 650 | |
| 620 |
| Melting Onset (Solidus), °C | 580 | |
| 570 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 900 |
| Thermal Conductivity, W/m-K | 120 | |
| 150 to 170 |
| Thermal Expansion, µm/m-K | 19 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 to 34 | |
| 40 to 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 87 to 100 | |
| 140 to 150 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 23 | |
| 3.2 to 8.2 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 350 | |
| 70 to 250 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 46 | |
| 53 |
| Strength to Weight: Axial, points | 21 to 31 | |
| 17 to 26 |
| Strength to Weight: Bending, points | 28 to 36 | |
| 25 to 33 |
| Thermal Diffusivity, mm2/s | 46 | |
| 64 to 71 |
| Thermal Shock Resistance, points | 12 to 18 | |
| 7.6 to 11 |
Alloy Composition
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| Aluminum (Al), % | 93.4 to 95.5 | |
| 90.1 to 93.3 |
| Copper (Cu), % | 4.2 to 5.0 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.6 |
| Magnesium (Mg), % | 0.15 to 0.35 | |
| 0.2 to 0.45 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.35 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 6.5 to 7.5 |
| 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 0.35 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |