EN AC-21100 Aluminum vs. C355.0 Aluminum
Both EN AC-21100 aluminum and C355.0 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 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 EN AC-21100 aluminum and the bottom bar is C355.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 110 | |
| 86 to 90 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 6.2 to 7.3 | |
| 2.7 to 3.8 |
| Fatigue Strength, MPa | 79 to 87 | |
| 76 to 84 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 350 | |
| 290 to 310 |
| Tensile Strength: Yield (Proof), MPa | 210 to 240 | |
| 200 to 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 670 | |
| 620 |
| Melting Onset (Solidus), °C | 550 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 900 |
| Thermal Conductivity, W/m-K | 130 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 39 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 21 | |
| 7.5 to 9.8 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 to 400 | |
| 290 to 380 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 46 | |
| 51 |
| Strength to Weight: Axial, points | 31 to 33 | |
| 30 to 32 |
| Strength to Weight: Bending, points | 36 to 37 | |
| 36 to 37 |
| Thermal Diffusivity, mm2/s | 48 | |
| 60 |
| Thermal Shock Resistance, points | 15 | |
| 13 to 14 |
Alloy Composition
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| Aluminum (Al), % | 93.4 to 95.7 | |
| 91.7 to 94.1 |
| Copper (Cu), % | 4.2 to 5.2 | |
| 1.0 to 1.5 |
| Iron (Fe), % | 0 to 0.19 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0 | |
| 0.4 to 0.6 |
| Manganese (Mn), % | 0 to 0.55 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.18 | |
| 4.5 to 5.5 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.070 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.15 |