356.0 Aluminum vs. 242.0 Aluminum
Both 356.0 aluminum and 242.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is 356.0 aluminum and the bottom bar is 242.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 55 to 75 | |
| 70 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 73 |
| Elongation at Break, % | 2.0 to 3.8 | |
| 0.5 to 1.5 |
| Fatigue Strength, MPa | 55 to 75 | |
| 55 to 110 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Shear Strength, MPa | 140 to 190 | |
| 150 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 240 | |
| 180 to 290 |
| Tensile Strength: Yield (Proof), MPa | 100 to 190 | |
| 120 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 500 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 210 |
| Melting Completion (Liquidus), °C | 620 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 530 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 870 |
| Thermal Conductivity, W/m-K | 150 to 170 | |
| 130 to 170 |
| Thermal Expansion, µm/m-K | 21 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 to 43 | |
| 33 to 44 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 to 150 | |
| 96 to 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 12 |
| Calomel Potential, mV | -730 | |
| -650 |
| Density, g/cm3 | 2.6 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1110 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.2 to 8.2 | |
| 1.3 to 3.4 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 70 to 250 | |
| 110 to 340 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 53 | |
| 45 |
| Strength to Weight: Axial, points | 17 to 26 | |
| 16 to 26 |
| Strength to Weight: Bending, points | 25 to 33 | |
| 23 to 32 |
| Thermal Diffusivity, mm2/s | 64 to 71 | |
| 50 to 62 |
| Thermal Shock Resistance, points | 7.6 to 11 | |
| 8.0 to 13 |
Alloy Composition
| Aluminum (Al), % | 90.1 to 93.3 | |
| 88.4 to 93.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 to 0.25 | |
| 3.5 to 4.5 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 0.2 to 0.45 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0 to 0.35 |
| Nickel (Ni), % | 0 | |
| 1.7 to 2.3 |
| Silicon (Si), % | 6.5 to 7.5 | |
| 0 to 0.7 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.35 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.15 |