319.0 Aluminum vs. 204.0 Aluminum
Both 319.0 aluminum and 204.0 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 (1, in this case) are not shown.
For each property being compared, the top bar is 319.0 aluminum and the bottom bar is 204.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 78 to 84 | |
| 90 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 71 |
| Elongation at Break, % | 1.8 to 2.0 | |
| 5.7 to 7.8 |
| Fatigue Strength, MPa | 76 to 80 | |
| 63 to 77 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 240 | |
| 230 to 340 |
| Tensile Strength: Yield (Proof), MPa | 110 to 180 | |
| 180 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 480 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 540 | |
| 580 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 880 |
| Thermal Conductivity, W/m-K | 110 | |
| 120 |
| Thermal Expansion, µm/m-K | 22 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 29 to 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 84 | |
| 87 to 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 11 |
| Density, g/cm3 | 2.9 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 7.7 | |
| 8.0 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 1080 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.3 to 3.9 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 88 to 220 | |
| 220 to 350 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 48 | |
| 46 |
| Strength to Weight: Axial, points | 18 to 24 | |
| 21 to 31 |
| Strength to Weight: Bending, points | 25 to 30 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 44 | |
| 46 |
| Thermal Shock Resistance, points | 8.6 to 11 | |
| 12 to 18 |
Alloy Composition
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| Aluminum (Al), % | 85.8 to 91.5 | |
| 93.4 to 95.5 |
| Copper (Cu), % | 3.0 to 4.0 | |
| 4.2 to 5.0 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 0.15 to 0.35 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.35 | |
| 0 to 0.050 |
| Silicon (Si), % | 5.5 to 6.5 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |