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